feat(api): api update

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/annotationqueues/AnnotationQueueAnnotationQueuesParams.kt

@@ -67,7 +67,11 @@ private constructor(
      */
     fun enableReservations(): Optional<Boolean> = body.enableReservations()
 
-    fun _metadata(): JsonValue = body._metadata()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = body.metadata()
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -148,6 +152,13 @@ private constructor(
      */
     fun _enableReservations(): JsonField<Boolean> = body._enableReservations()
 
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    fun _metadata(): JsonField<Metadata> = body._metadata()
+
     /**
      * Returns the raw JSON value of [numReviewersPerItem].
      *
@@ -339,7 +350,19 @@ private constructor(
             body.enableReservations(enableReservations)
         }
 
-        fun metadata(metadata: JsonValue) = apply { body.metadata(metadata) }
+        fun metadata(metadata: Metadata?) = apply { body.metadata(metadata) }
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { body.metadata(metadata) }
 
         fun numReviewersPerItem(numReviewersPerItem: Long?) = apply {
             body.numReviewersPerItem(numReviewersPerItem)
@@ -633,7 +656,7 @@ private constructor(
         private val defaultDataset: JsonField<String>,
         private val description: JsonField<String>,
         private val enableReservations: JsonField<Boolean>,
-        private val metadata: JsonValue,
+        private val metadata: JsonField<Metadata>,
         private val numReviewersPerItem: JsonField<Long>,
         private val reservationMinutes: JsonField<Long>,
         private val rubricInstructions: JsonField<String>,
@@ -659,7 +682,9 @@ private constructor(
             @JsonProperty("enable_reservations")
             @ExcludeMissing
             enableReservations: JsonField<Boolean> = JsonMissing.of(),
-            @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+            @JsonProperty("metadata")
+            @ExcludeMissing
+            metadata: JsonField<Metadata> = JsonMissing.of(),
             @JsonProperty("num_reviewers_per_item")
             @ExcludeMissing
             numReviewersPerItem: JsonField<Long> = JsonMissing.of(),
@@ -732,7 +757,11 @@ private constructor(
         fun enableReservations(): Optional<Boolean> =
             enableReservations.getOptional("enable_reservations")
 
-        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -826,6 +855,13 @@ private constructor(
         @ExcludeMissing
         fun _enableReservations(): JsonField<Boolean> = enableReservations
 
+        /**
+         * Returns the raw JSON value of [metadata].
+         *
+         * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
         /**
          * Returns the raw JSON value of [numReviewersPerItem].
          *
@@ -917,7 +953,7 @@ private constructor(
             private var defaultDataset: JsonField<String> = JsonMissing.of()
             private var description: JsonField<String> = JsonMissing.of()
             private var enableReservations: JsonField<Boolean> = JsonMissing.of()
-            private var metadata: JsonValue = JsonMissing.of()
+            private var metadata: JsonField<Metadata> = JsonMissing.of()
             private var numReviewersPerItem: JsonField<Long> = JsonMissing.of()
             private var reservationMinutes: JsonField<Long> = JsonMissing.of()
             private var rubricInstructions: JsonField<String> = JsonMissing.of()
@@ -1042,7 +1078,19 @@ private constructor(
                 this.enableReservations = enableReservations
             }
 
-            fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+            fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+            /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+            fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+            /**
+             * Sets [Builder.metadata] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.metadata] with a well-typed [Metadata] value
+             * instead. This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
             fun numReviewersPerItem(numReviewersPerItem: Long?) =
                 numReviewersPerItem(JsonField.ofNullable(numReviewersPerItem))
@@ -1257,6 +1305,7 @@ private constructor(
             defaultDataset()
             description()
             enableReservations()
+            metadata().ifPresent { it.validate() }
             numReviewersPerItem()
             reservationMinutes()
             rubricInstructions()
@@ -1288,6 +1337,7 @@ private constructor(
                 (if (defaultDataset.asKnown().isPresent) 1 else 0) +
                 (if (description.asKnown().isPresent) 1 else 0) +
                 (if (enableReservations.asKnown().isPresent) 1 else 0) +
+                (metadata.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (numReviewersPerItem.asKnown().isPresent) 1 else 0) +
                 (if (reservationMinutes.asKnown().isPresent) 1 else 0) +
                 (if (rubricInstructions.asKnown().isPresent) 1 else 0) +
@@ -1342,6 +1392,105 @@ private constructor(
             "Body{name=$name, id=$id, createdAt=$createdAt, defaultDataset=$defaultDataset, description=$description, enableReservations=$enableReservations, metadata=$metadata, numReviewersPerItem=$numReviewersPerItem, reservationMinutes=$reservationMinutes, rubricInstructions=$rubricInstructions, rubricItems=$rubricItems, sessionIds=$sessionIds, updatedAt=$updatedAt, additionalProperties=$additionalProperties}"
     }
 
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/annotationqueues/AnnotationQueueRetrieveAnnotationQueuesResponse.kt

@@ -12,6 +12,7 @@ import com.langchain.smith.core.JsonField
 import com.langchain.smith.core.JsonMissing
 import com.langchain.smith.core.JsonValue
 import com.langchain.smith.core.checkRequired
+import com.langchain.smith.core.toImmutable
 import com.langchain.smith.errors.LangChainInvalidDataException
 import java.time.OffsetDateTime
 import java.util.Collections
@@ -32,7 +33,7 @@ private constructor(
     private val defaultDataset: JsonField<String>,
     private val description: JsonField<String>,
     private val enableReservations: JsonField<Boolean>,
-    private val metadata: JsonValue,
+    private val metadata: JsonField<Metadata>,
     private val numReviewersPerItem: JsonField<Long>,
     private val reservationMinutes: JsonField<Long>,
     private val runRuleId: JsonField<String>,
@@ -62,7 +63,7 @@ private constructor(
         @JsonProperty("enable_reservations")
         @ExcludeMissing
         enableReservations: JsonField<Boolean> = JsonMissing.of(),
-        @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+        @JsonProperty("metadata") @ExcludeMissing metadata: JsonField<Metadata> = JsonMissing.of(),
         @JsonProperty("num_reviewers_per_item")
         @ExcludeMissing
         numReviewersPerItem: JsonField<Long> = JsonMissing.of(),
@@ -152,7 +153,11 @@ private constructor(
     fun enableReservations(): Optional<Boolean> =
         enableReservations.getOptional("enable_reservations")
 
-    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -255,6 +260,13 @@ private constructor(
     @ExcludeMissing
     fun _enableReservations(): JsonField<Boolean> = enableReservations
 
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
     /**
      * Returns the raw JSON value of [numReviewersPerItem].
      *
@@ -342,7 +354,7 @@ private constructor(
         private var defaultDataset: JsonField<String> = JsonMissing.of()
         private var description: JsonField<String> = JsonMissing.of()
         private var enableReservations: JsonField<Boolean> = JsonMissing.of()
-        private var metadata: JsonValue = JsonMissing.of()
+        private var metadata: JsonField<Metadata> = JsonMissing.of()
         private var numReviewersPerItem: JsonField<Long> = JsonMissing.of()
         private var reservationMinutes: JsonField<Long> = JsonMissing.of()
         private var runRuleId: JsonField<String> = JsonMissing.of()
@@ -497,7 +509,19 @@ private constructor(
             this.enableReservations = enableReservations
         }
 
-        fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+        fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
         fun numReviewersPerItem(numReviewersPerItem: Long?) =
             numReviewersPerItem(JsonField.ofNullable(numReviewersPerItem))
@@ -668,6 +692,7 @@ private constructor(
         defaultDataset()
         description()
         enableReservations()
+        metadata().ifPresent { it.validate() }
         numReviewersPerItem()
         reservationMinutes()
         runRuleId()
@@ -700,6 +725,7 @@ private constructor(
             (if (defaultDataset.asKnown().isPresent) 1 else 0) +
             (if (description.asKnown().isPresent) 1 else 0) +
             (if (enableReservations.asKnown().isPresent) 1 else 0) +
+            (metadata.asKnown().getOrNull()?.validity() ?: 0) +
             (if (numReviewersPerItem.asKnown().isPresent) 1 else 0) +
             (if (reservationMinutes.asKnown().isPresent) 1 else 0) +
             (if (runRuleId.asKnown().isPresent) 1 else 0) +
@@ -835,6 +861,105 @@ private constructor(
         override fun toString() = value.toString()
     }
 
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/annotationqueues/AnnotationQueueRetrieveResponse.kt

@@ -33,7 +33,7 @@ private constructor(
     private val defaultDataset: JsonField<String>,
     private val description: JsonField<String>,
     private val enableReservations: JsonField<Boolean>,
-    private val metadata: JsonValue,
+    private val metadata: JsonField<Metadata>,
     private val numReviewersPerItem: JsonField<Long>,
     private val reservationMinutes: JsonField<Long>,
     private val rubricInstructions: JsonField<String>,
@@ -64,7 +64,7 @@ private constructor(
         @JsonProperty("enable_reservations")
         @ExcludeMissing
         enableReservations: JsonField<Boolean> = JsonMissing.of(),
-        @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+        @JsonProperty("metadata") @ExcludeMissing metadata: JsonField<Metadata> = JsonMissing.of(),
         @JsonProperty("num_reviewers_per_item")
         @ExcludeMissing
         numReviewersPerItem: JsonField<Long> = JsonMissing.of(),
@@ -155,7 +155,11 @@ private constructor(
     fun enableReservations(): Optional<Boolean> =
         enableReservations.getOptional("enable_reservations")
 
-    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -265,6 +269,13 @@ private constructor(
     @ExcludeMissing
     fun _enableReservations(): JsonField<Boolean> = enableReservations
 
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
     /**
      * Returns the raw JSON value of [numReviewersPerItem].
      *
@@ -369,7 +380,7 @@ private constructor(
         private var defaultDataset: JsonField<String> = JsonMissing.of()
         private var description: JsonField<String> = JsonMissing.of()
         private var enableReservations: JsonField<Boolean> = JsonMissing.of()
-        private var metadata: JsonValue = JsonMissing.of()
+        private var metadata: JsonField<Metadata> = JsonMissing.of()
         private var numReviewersPerItem: JsonField<Long> = JsonMissing.of()
         private var reservationMinutes: JsonField<Long> = JsonMissing.of()
         private var rubricInstructions: JsonField<String> = JsonMissing.of()
@@ -514,7 +525,19 @@ private constructor(
             this.enableReservations = enableReservations
         }
 
-        fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+        fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
         fun numReviewersPerItem(numReviewersPerItem: Long?) =
             numReviewersPerItem(JsonField.ofNullable(numReviewersPerItem))
@@ -734,6 +757,7 @@ private constructor(
         defaultDataset()
         description()
         enableReservations()
+        metadata().ifPresent { it.validate() }
         numReviewersPerItem()
         reservationMinutes()
         rubricInstructions()
@@ -767,6 +791,7 @@ private constructor(
             (if (defaultDataset.asKnown().isPresent) 1 else 0) +
             (if (description.asKnown().isPresent) 1 else 0) +
             (if (enableReservations.asKnown().isPresent) 1 else 0) +
+            (metadata.asKnown().getOrNull()?.validity() ?: 0) +
             (if (numReviewersPerItem.asKnown().isPresent) 1 else 0) +
             (if (reservationMinutes.asKnown().isPresent) 1 else 0) +
             (if (rubricInstructions.asKnown().isPresent) 1 else 0) +
@@ -904,6 +929,105 @@ private constructor(
         override fun toString() = value.toString()
     }
 
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/annotationqueues/AnnotationQueueSchema.kt

@@ -12,6 +12,7 @@ import com.langchain.smith.core.JsonField
 import com.langchain.smith.core.JsonMissing
 import com.langchain.smith.core.JsonValue
 import com.langchain.smith.core.checkRequired
+import com.langchain.smith.core.toImmutable
 import com.langchain.smith.errors.LangChainInvalidDataException
 import java.time.OffsetDateTime
 import java.util.Collections
@@ -31,7 +32,7 @@ private constructor(
     private val defaultDataset: JsonField<String>,
     private val description: JsonField<String>,
     private val enableReservations: JsonField<Boolean>,
-    private val metadata: JsonValue,
+    private val metadata: JsonField<Metadata>,
     private val numReviewersPerItem: JsonField<Long>,
     private val reservationMinutes: JsonField<Long>,
     private val runRuleId: JsonField<String>,
@@ -60,7 +61,7 @@ private constructor(
         @JsonProperty("enable_reservations")
         @ExcludeMissing
         enableReservations: JsonField<Boolean> = JsonMissing.of(),
-        @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+        @JsonProperty("metadata") @ExcludeMissing metadata: JsonField<Metadata> = JsonMissing.of(),
         @JsonProperty("num_reviewers_per_item")
         @ExcludeMissing
         numReviewersPerItem: JsonField<Long> = JsonMissing.of(),
@@ -143,7 +144,11 @@ private constructor(
     fun enableReservations(): Optional<Boolean> =
         enableReservations.getOptional("enable_reservations")
 
-    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -239,6 +244,13 @@ private constructor(
     @ExcludeMissing
     fun _enableReservations(): JsonField<Boolean> = enableReservations
 
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
     /**
      * Returns the raw JSON value of [numReviewersPerItem].
      *
@@ -323,7 +335,7 @@ private constructor(
         private var defaultDataset: JsonField<String> = JsonMissing.of()
         private var description: JsonField<String> = JsonMissing.of()
         private var enableReservations: JsonField<Boolean> = JsonMissing.of()
-        private var metadata: JsonValue = JsonMissing.of()
+        private var metadata: JsonField<Metadata> = JsonMissing.of()
         private var numReviewersPerItem: JsonField<Long> = JsonMissing.of()
         private var reservationMinutes: JsonField<Long> = JsonMissing.of()
         private var runRuleId: JsonField<String> = JsonMissing.of()
@@ -462,7 +474,19 @@ private constructor(
             this.enableReservations = enableReservations
         }
 
-        fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+        fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
         fun numReviewersPerItem(numReviewersPerItem: Long?) =
             numReviewersPerItem(JsonField.ofNullable(numReviewersPerItem))
@@ -630,6 +654,7 @@ private constructor(
         defaultDataset()
         description()
         enableReservations()
+        metadata().ifPresent { it.validate() }
         numReviewersPerItem()
         reservationMinutes()
         runRuleId()
@@ -661,6 +686,7 @@ private constructor(
             (if (defaultDataset.asKnown().isPresent) 1 else 0) +
             (if (description.asKnown().isPresent) 1 else 0) +
             (if (enableReservations.asKnown().isPresent) 1 else 0) +
+            (metadata.asKnown().getOrNull()?.validity() ?: 0) +
             (if (numReviewersPerItem.asKnown().isPresent) 1 else 0) +
             (if (reservationMinutes.asKnown().isPresent) 1 else 0) +
             (if (runRuleId.asKnown().isPresent) 1 else 0) +
@@ -796,6 +822,105 @@ private constructor(
         override fun toString() = value.toString()
     }
 
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/annotationqueues/AnnotationQueueUpdateParams.kt

@@ -280,8 +280,8 @@ private constructor(
          */
         fun metadata(metadata: JsonField<Metadata>) = apply { body.metadata(metadata) }
 
-        /** Alias for calling [metadata] with `Metadata.ofJsonValue(jsonValue)`. */
-        fun metadata(jsonValue: JsonValue) = apply { body.metadata(jsonValue) }
+        /** Alias for calling [metadata] with `Metadata.ofUnionMember0(unionMember0)`. */
+        fun metadata(unionMember0: Metadata.UnionMember0) = apply { body.metadata(unionMember0) }
 
         /** Alias for calling [metadata] with `Metadata.ofMissing(missing)`. */
         fun metadata(missing: Missing) = apply { body.metadata(missing) }
@@ -856,8 +856,9 @@ private constructor(
              */
             fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
-            /** Alias for calling [metadata] with `Metadata.ofJsonValue(jsonValue)`. */
-            fun metadata(jsonValue: JsonValue) = metadata(Metadata.ofJsonValue(jsonValue))
+            /** Alias for calling [metadata] with `Metadata.ofUnionMember0(unionMember0)`. */
+            fun metadata(unionMember0: Metadata.UnionMember0) =
+                metadata(Metadata.ofUnionMember0(unionMember0))
 
             /** Alias for calling [metadata] with `Metadata.ofMissing(missing)`. */
             fun metadata(missing: Missing) = metadata(Metadata.ofMissing(missing))
@@ -1118,20 +1119,20 @@ private constructor(
     @JsonSerialize(using = Metadata.Serializer::class)
     class Metadata
     private constructor(
-        private val jsonValue: JsonValue? = null,
+        private val unionMember0: UnionMember0? = null,
         private val missing: Missing? = null,
         private val _json: JsonValue? = null,
     ) {
 
-        fun jsonValue(): Optional<JsonValue> = Optional.ofNullable(jsonValue)
+        fun unionMember0(): Optional<UnionMember0> = Optional.ofNullable(unionMember0)
 
         fun missing(): Optional<Missing> = Optional.ofNullable(missing)
 
-        fun isJsonValue(): Boolean = jsonValue != null
+        fun isUnionMember0(): Boolean = unionMember0 != null
 
         fun isMissing(): Boolean = missing != null
 
-        fun asJsonValue(): JsonValue = jsonValue.getOrThrow("jsonValue")
+        fun asUnionMember0(): UnionMember0 = unionMember0.getOrThrow("unionMember0")
 
         fun asMissing(): Missing = missing.getOrThrow("missing")
 
@@ -1139,7 +1140,7 @@ private constructor(
 
         fun <T> accept(visitor: Visitor<T>): T =
             when {
-                jsonValue != null -> visitor.visitJsonValue(jsonValue)
+                unionMember0 != null -> visitor.visitUnionMember0(unionMember0)
                 missing != null -> visitor.visitMissing(missing)
                 else -> visitor.unknown(_json)
             }
@@ -1153,7 +1154,9 @@ private constructor(
 
             accept(
                 object : Visitor<Unit> {
-                    override fun visitJsonValue(jsonValue: JsonValue) {}
+                    override fun visitUnionMember0(unionMember0: UnionMember0) {
+                        unionMember0.validate()
+                    }
 
                     override fun visitMissing(missing: Missing) {
                         missing.validate()
@@ -1181,7 +1184,8 @@ private constructor(
         internal fun validity(): Int =
             accept(
                 object : Visitor<Int> {
-                    override fun visitJsonValue(jsonValue: JsonValue) = 1
+                    override fun visitUnionMember0(unionMember0: UnionMember0) =
+                        unionMember0.validity()
 
                     override fun visitMissing(missing: Missing) = missing.validity()
 
@@ -1194,14 +1198,16 @@ private constructor(
                 return true
             }
 
-            return other is Metadata && jsonValue == other.jsonValue && missing == other.missing
+            return other is Metadata &&
+                unionMember0 == other.unionMember0 &&
+                missing == other.missing
         }
 
-        override fun hashCode(): Int = Objects.hash(jsonValue, missing)
+        override fun hashCode(): Int = Objects.hash(unionMember0, missing)
 
         override fun toString(): String =
             when {
-                jsonValue != null -> "Metadata{jsonValue=$jsonValue}"
+                unionMember0 != null -> "Metadata{unionMember0=$unionMember0}"
                 missing != null -> "Metadata{missing=$missing}"
                 _json != null -> "Metadata{_unknown=$_json}"
                 else -> throw IllegalStateException("Invalid Metadata")
@@ -1209,7 +1215,8 @@ private constructor(
 
         companion object {
 
-            @JvmStatic fun ofJsonValue(jsonValue: JsonValue) = Metadata(jsonValue = jsonValue)
+            @JvmStatic
+            fun ofUnionMember0(unionMember0: UnionMember0) = Metadata(unionMember0 = unionMember0)
 
             @JvmStatic fun ofMissing(missing: Missing) = Metadata(missing = missing)
         }
@@ -1219,7 +1226,7 @@ private constructor(
          */
         interface Visitor<out T> {
 
-            fun visitJsonValue(jsonValue: JsonValue): T
+            fun visitUnionMember0(unionMember0: UnionMember0): T
 
             fun visitMissing(missing: Missing): T
 
@@ -1245,19 +1252,19 @@ private constructor(
 
                 val bestMatches =
                     sequenceOf(
+                            tryDeserialize(node, jacksonTypeRef<UnionMember0>())?.let {
+                                Metadata(unionMember0 = it, _json = json)
+                            },
                             tryDeserialize(node, jacksonTypeRef<Missing>())?.let {
                                 Metadata(missing = it, _json = json)
                             },
-                            tryDeserialize(node, jacksonTypeRef<JsonValue>())?.let {
-                                Metadata(jsonValue = it, _json = json)
-                            },
                         )
                         .filterNotNull()
                         .allMaxBy { it.validity() }
                         .toList()
                 return when (bestMatches.size) {
                     // This can happen if what we're deserializing is completely incompatible with
-                    // all the possible variants.
+                    // all the possible variants (e.g. deserializing from boolean).
                     0 -> Metadata(_json = json)
                     1 -> bestMatches.single()
                     // If there's more than one match with the highest validity, then use the first
@@ -1276,13 +1283,115 @@ private constructor(
                 provider: SerializerProvider,
             ) {
                 when {
-                    value.jsonValue != null -> generator.writeObject(value.jsonValue)
+                    value.unionMember0 != null -> generator.writeObject(value.unionMember0)
                     value.missing != null -> generator.writeObject(value.missing)
                     value._json != null -> generator.writeObject(value._json)
                     else -> throw IllegalStateException("Invalid Metadata")
                 }
             }
         }
+
+        class UnionMember0
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [UnionMember0]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [UnionMember0]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(unionMember0: UnionMember0) = apply {
+                    additionalProperties = unionMember0.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [UnionMember0].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): UnionMember0 = UnionMember0(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): UnionMember0 = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is UnionMember0 && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "UnionMember0{additionalProperties=$additionalProperties}"
+        }
     }
 
     @JsonDeserialize(using = NumReviewersPerItem.Deserializer::class)

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/commits/CommitManifestResponse.kt

@@ -25,7 +25,7 @@ class CommitManifestResponse
 @JsonCreator(mode = JsonCreator.Mode.DISABLED)
 private constructor(
     private val commitHash: JsonField<String>,
-    private val manifest: JsonValue,
+    private val manifest: JsonField<Manifest>,
     private val examples: JsonField<List<Example>>,
     private val additionalProperties: MutableMap<String, JsonValue>,
 ) {
@@ -35,7 +35,7 @@ private constructor(
         @JsonProperty("commit_hash")
         @ExcludeMissing
         commitHash: JsonField<String> = JsonMissing.of(),
-        @JsonProperty("manifest") @ExcludeMissing manifest: JsonValue = JsonMissing.of(),
+        @JsonProperty("manifest") @ExcludeMissing manifest: JsonField<Manifest> = JsonMissing.of(),
         @JsonProperty("examples")
         @ExcludeMissing
         examples: JsonField<List<Example>> = JsonMissing.of(),
@@ -47,7 +47,11 @@ private constructor(
      */
     fun commitHash(): String = commitHash.getRequired("commit_hash")
 
-    @JsonProperty("manifest") @ExcludeMissing fun _manifest(): JsonValue = manifest
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type or is
+     *   unexpectedly missing or null (e.g. if the server responded with an unexpected value).
+     */
+    fun manifest(): Manifest = manifest.getRequired("manifest")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -62,6 +66,13 @@ private constructor(
      */
     @JsonProperty("commit_hash") @ExcludeMissing fun _commitHash(): JsonField<String> = commitHash
 
+    /**
+     * Returns the raw JSON value of [manifest].
+     *
+     * Unlike [manifest], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("manifest") @ExcludeMissing fun _manifest(): JsonField<Manifest> = manifest
+
     /**
      * Returns the raw JSON value of [examples].
      *
@@ -99,7 +110,7 @@ private constructor(
     class Builder internal constructor() {
 
         private var commitHash: JsonField<String>? = null
-        private var manifest: JsonValue? = null
+        private var manifest: JsonField<Manifest>? = null
         private var examples: JsonField<MutableList<Example>>? = null
         private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
@@ -122,7 +133,16 @@ private constructor(
          */
         fun commitHash(commitHash: JsonField<String>) = apply { this.commitHash = commitHash }
 
-        fun manifest(manifest: JsonValue) = apply { this.manifest = manifest }
+        fun manifest(manifest: Manifest) = manifest(JsonField.of(manifest))
+
+        /**
+         * Sets [Builder.manifest] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.manifest] with a well-typed [Manifest] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun manifest(manifest: JsonField<Manifest>) = apply { this.manifest = manifest }
 
         fun examples(examples: List<Example>?) = examples(JsonField.ofNullable(examples))
 
@@ -201,6 +221,7 @@ private constructor(
         }
 
         commitHash()
+        manifest().validate()
         examples().ifPresent { it.forEach { it.validate() } }
         validated = true
     }
@@ -221,16 +242,116 @@ private constructor(
     @JvmSynthetic
     internal fun validity(): Int =
         (if (commitHash.asKnown().isPresent) 1 else 0) +
+            (manifest.asKnown().getOrNull()?.validity() ?: 0) +
             (examples.asKnown().getOrNull()?.sumOf { it.validity().toInt() } ?: 0)
 
+    class Manifest
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Manifest]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Manifest]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(manifest: Manifest) = apply {
+                additionalProperties = manifest.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Manifest].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Manifest = Manifest(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Manifest = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Manifest && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Manifest{additionalProperties=$additionalProperties}"
+    }
+
     /** Response model for example runs */
     class Example
     @JsonCreator(mode = JsonCreator.Mode.DISABLED)
     private constructor(
         private val id: JsonField<String>,
         private val sessionId: JsonField<String>,
-        private val inputs: JsonValue,
-        private val outputs: JsonValue,
+        private val inputs: JsonField<Inputs>,
+        private val outputs: JsonField<Outputs>,
         private val startTime: JsonField<OffsetDateTime>,
         private val additionalProperties: MutableMap<String, JsonValue>,
     ) {
@@ -241,8 +362,8 @@ private constructor(
             @JsonProperty("session_id")
             @ExcludeMissing
             sessionId: JsonField<String> = JsonMissing.of(),
-            @JsonProperty("inputs") @ExcludeMissing inputs: JsonValue = JsonMissing.of(),
-            @JsonProperty("outputs") @ExcludeMissing outputs: JsonValue = JsonMissing.of(),
+            @JsonProperty("inputs") @ExcludeMissing inputs: JsonField<Inputs> = JsonMissing.of(),
+            @JsonProperty("outputs") @ExcludeMissing outputs: JsonField<Outputs> = JsonMissing.of(),
             @JsonProperty("start_time")
             @ExcludeMissing
             startTime: JsonField<OffsetDateTime> = JsonMissing.of(),
@@ -260,9 +381,17 @@ private constructor(
          */
         fun sessionId(): String = sessionId.getRequired("session_id")
 
-        @JsonProperty("inputs") @ExcludeMissing fun _inputs(): JsonValue = inputs
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun inputs(): Optional<Inputs> = inputs.getOptional("inputs")
 
-        @JsonProperty("outputs") @ExcludeMissing fun _outputs(): JsonValue = outputs
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun outputs(): Optional<Outputs> = outputs.getOptional("outputs")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -284,6 +413,20 @@ private constructor(
          */
         @JsonProperty("session_id") @ExcludeMissing fun _sessionId(): JsonField<String> = sessionId
 
+        /**
+         * Returns the raw JSON value of [inputs].
+         *
+         * Unlike [inputs], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("inputs") @ExcludeMissing fun _inputs(): JsonField<Inputs> = inputs
+
+        /**
+         * Returns the raw JSON value of [outputs].
+         *
+         * Unlike [outputs], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("outputs") @ExcludeMissing fun _outputs(): JsonField<Outputs> = outputs
+
         /**
          * Returns the raw JSON value of [startTime].
          *
@@ -324,8 +467,8 @@ private constructor(
 
             private var id: JsonField<String>? = null
             private var sessionId: JsonField<String>? = null
-            private var inputs: JsonValue = JsonMissing.of()
-            private var outputs: JsonValue = JsonMissing.of()
+            private var inputs: JsonField<Inputs> = JsonMissing.of()
+            private var outputs: JsonField<Outputs> = JsonMissing.of()
             private var startTime: JsonField<OffsetDateTime> = JsonMissing.of()
             private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
@@ -361,9 +504,33 @@ private constructor(
              */
             fun sessionId(sessionId: JsonField<String>) = apply { this.sessionId = sessionId }
 
-            fun inputs(inputs: JsonValue) = apply { this.inputs = inputs }
+            fun inputs(inputs: Inputs?) = inputs(JsonField.ofNullable(inputs))
 
-            fun outputs(outputs: JsonValue) = apply { this.outputs = outputs }
+            /** Alias for calling [Builder.inputs] with `inputs.orElse(null)`. */
+            fun inputs(inputs: Optional<Inputs>) = inputs(inputs.getOrNull())
+
+            /**
+             * Sets [Builder.inputs] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.inputs] with a well-typed [Inputs] value instead.
+             * This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun inputs(inputs: JsonField<Inputs>) = apply { this.inputs = inputs }
+
+            fun outputs(outputs: Outputs?) = outputs(JsonField.ofNullable(outputs))
+
+            /** Alias for calling [Builder.outputs] with `outputs.orElse(null)`. */
+            fun outputs(outputs: Optional<Outputs>) = outputs(outputs.getOrNull())
+
+            /**
+             * Sets [Builder.outputs] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.outputs] with a well-typed [Outputs] value instead.
+             * This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun outputs(outputs: JsonField<Outputs>) = apply { this.outputs = outputs }
 
             fun startTime(startTime: OffsetDateTime?) = startTime(JsonField.ofNullable(startTime))
 
@@ -433,6 +600,8 @@ private constructor(
 
             id()
             sessionId()
+            inputs().ifPresent { it.validate() }
+            outputs().ifPresent { it.validate() }
             startTime()
             validated = true
         }
@@ -455,8 +624,214 @@ private constructor(
         internal fun validity(): Int =
             (if (id.asKnown().isPresent) 1 else 0) +
                 (if (sessionId.asKnown().isPresent) 1 else 0) +
+                (inputs.asKnown().getOrNull()?.validity() ?: 0) +
+                (outputs.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (startTime.asKnown().isPresent) 1 else 0)
 
+        class Inputs
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [Inputs]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [Inputs]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(inputs: Inputs) = apply {
+                    additionalProperties = inputs.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [Inputs].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): Inputs = Inputs(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): Inputs = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is Inputs && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "Inputs{additionalProperties=$additionalProperties}"
+        }
+
+        class Outputs
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [Outputs]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [Outputs]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(outputs: Outputs) = apply {
+                    additionalProperties = outputs.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [Outputs].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): Outputs = Outputs(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): Outputs = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is Outputs && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "Outputs{additionalProperties=$additionalProperties}"
+        }
+
         override fun equals(other: Any?): Boolean {
             if (this === other) {
                 return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/commits/CommitUpdateParams.kt

@@ -47,7 +47,11 @@ private constructor(
 
     fun repo(): Optional<String> = Optional.ofNullable(repo)
 
-    fun _manifest(): JsonValue = body._manifest()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type or is
+     *   unexpectedly missing or null (e.g. if the server responded with an unexpected value).
+     */
+    fun manifest(): Manifest = body.manifest()
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -67,6 +71,13 @@ private constructor(
      */
     fun skipWebhooks(): Optional<SkipWebhooks> = body.skipWebhooks()
 
+    /**
+     * Returns the raw JSON value of [manifest].
+     *
+     * Unlike [manifest], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    fun _manifest(): JsonField<Manifest> = body._manifest()
+
     /**
      * Returns the raw JSON value of [exampleRunIds].
      *
@@ -149,7 +160,16 @@ private constructor(
          */
         fun body(body: Body) = apply { this.body = body.toBuilder() }
 
-        fun manifest(manifest: JsonValue) = apply { body.manifest(manifest) }
+        fun manifest(manifest: Manifest) = apply { body.manifest(manifest) }
+
+        /**
+         * Sets [Builder.manifest] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.manifest] with a well-typed [Manifest] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun manifest(manifest: JsonField<Manifest>) = apply { body.manifest(manifest) }
 
         fun exampleRunIds(exampleRunIds: List<String>?) = apply {
             body.exampleRunIds(exampleRunIds)
@@ -370,7 +390,7 @@ private constructor(
     class Body
     @JsonCreator(mode = JsonCreator.Mode.DISABLED)
     private constructor(
-        private val manifest: JsonValue,
+        private val manifest: JsonField<Manifest>,
         private val exampleRunIds: JsonField<List<String>>,
         private val parentCommit: JsonField<String>,
         private val skipWebhooks: JsonField<SkipWebhooks>,
@@ -379,7 +399,9 @@ private constructor(
 
         @JsonCreator
         private constructor(
-            @JsonProperty("manifest") @ExcludeMissing manifest: JsonValue = JsonMissing.of(),
+            @JsonProperty("manifest")
+            @ExcludeMissing
+            manifest: JsonField<Manifest> = JsonMissing.of(),
             @JsonProperty("example_run_ids")
             @ExcludeMissing
             exampleRunIds: JsonField<List<String>> = JsonMissing.of(),
@@ -391,7 +413,11 @@ private constructor(
             skipWebhooks: JsonField<SkipWebhooks> = JsonMissing.of(),
         ) : this(manifest, exampleRunIds, parentCommit, skipWebhooks, mutableMapOf())
 
-        @JsonProperty("manifest") @ExcludeMissing fun _manifest(): JsonValue = manifest
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type or is
+         *   unexpectedly missing or null (e.g. if the server responded with an unexpected value).
+         */
+        fun manifest(): Manifest = manifest.getRequired("manifest")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -411,6 +437,13 @@ private constructor(
          */
         fun skipWebhooks(): Optional<SkipWebhooks> = skipWebhooks.getOptional("skip_webhooks")
 
+        /**
+         * Returns the raw JSON value of [manifest].
+         *
+         * Unlike [manifest], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("manifest") @ExcludeMissing fun _manifest(): JsonField<Manifest> = manifest
+
         /**
          * Returns the raw JSON value of [exampleRunIds].
          *
@@ -469,7 +502,7 @@ private constructor(
         /** A builder for [Body]. */
         class Builder internal constructor() {
 
-            private var manifest: JsonValue? = null
+            private var manifest: JsonField<Manifest>? = null
             private var exampleRunIds: JsonField<MutableList<String>>? = null
             private var parentCommit: JsonField<String> = JsonMissing.of()
             private var skipWebhooks: JsonField<SkipWebhooks> = JsonMissing.of()
@@ -484,7 +517,16 @@ private constructor(
                 additionalProperties = body.additionalProperties.toMutableMap()
             }
 
-            fun manifest(manifest: JsonValue) = apply { this.manifest = manifest }
+            fun manifest(manifest: Manifest) = manifest(JsonField.of(manifest))
+
+            /**
+             * Sets [Builder.manifest] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.manifest] with a well-typed [Manifest] value
+             * instead. This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun manifest(manifest: JsonField<Manifest>) = apply { this.manifest = manifest }
 
             fun exampleRunIds(exampleRunIds: List<String>?) =
                 exampleRunIds(JsonField.ofNullable(exampleRunIds))
@@ -602,6 +644,7 @@ private constructor(
                 return@apply
             }
 
+            manifest().validate()
             exampleRunIds()
             parentCommit()
             skipWebhooks().ifPresent { it.validate() }
@@ -624,7 +667,8 @@ private constructor(
          */
         @JvmSynthetic
         internal fun validity(): Int =
-            (exampleRunIds.asKnown().getOrNull()?.size ?: 0) +
+            (manifest.asKnown().getOrNull()?.validity() ?: 0) +
+                (exampleRunIds.asKnown().getOrNull()?.size ?: 0) +
                 (if (parentCommit.asKnown().isPresent) 1 else 0) +
                 (skipWebhooks.asKnown().getOrNull()?.validity() ?: 0)
 
@@ -651,6 +695,105 @@ private constructor(
             "Body{manifest=$manifest, exampleRunIds=$exampleRunIds, parentCommit=$parentCommit, skipWebhooks=$skipWebhooks, additionalProperties=$additionalProperties}"
     }
 
+    class Manifest
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Manifest]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Manifest]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(manifest: Manifest) = apply {
+                additionalProperties = manifest.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Manifest].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Manifest = Manifest(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Manifest = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Manifest && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Manifest{additionalProperties=$additionalProperties}"
+    }
+
     @JsonDeserialize(using = SkipWebhooks.Deserializer::class)
     @JsonSerialize(using = SkipWebhooks.Serializer::class)
     class SkipWebhooks

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/commits/CommitWithLookups.kt

@@ -30,7 +30,7 @@ private constructor(
     private val commitHash: JsonField<String>,
     private val createdAt: JsonField<OffsetDateTime>,
     private val exampleRunIds: JsonField<List<String>>,
-    private val manifest: JsonValue,
+    private val manifest: JsonField<Manifest>,
     private val numDownloads: JsonField<Long>,
     private val numViews: JsonField<Long>,
     private val repoId: JsonField<String>,
@@ -53,7 +53,7 @@ private constructor(
         @JsonProperty("example_run_ids")
         @ExcludeMissing
         exampleRunIds: JsonField<List<String>> = JsonMissing.of(),
-        @JsonProperty("manifest") @ExcludeMissing manifest: JsonValue = JsonMissing.of(),
+        @JsonProperty("manifest") @ExcludeMissing manifest: JsonField<Manifest> = JsonMissing.of(),
         @JsonProperty("num_downloads")
         @ExcludeMissing
         numDownloads: JsonField<Long> = JsonMissing.of(),
@@ -107,7 +107,11 @@ private constructor(
      */
     fun exampleRunIds(): List<String> = exampleRunIds.getRequired("example_run_ids")
 
-    @JsonProperty("manifest") @ExcludeMissing fun _manifest(): JsonValue = manifest
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type or is
+     *   unexpectedly missing or null (e.g. if the server responded with an unexpected value).
+     */
+    fun manifest(): Manifest = manifest.getRequired("manifest")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type or is
@@ -183,6 +187,13 @@ private constructor(
     @ExcludeMissing
     fun _exampleRunIds(): JsonField<List<String>> = exampleRunIds
 
+    /**
+     * Returns the raw JSON value of [manifest].
+     *
+     * Unlike [manifest], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("manifest") @ExcludeMissing fun _manifest(): JsonField<Manifest> = manifest
+
     /**
      * Returns the raw JSON value of [numDownloads].
      *
@@ -279,7 +290,7 @@ private constructor(
         private var commitHash: JsonField<String>? = null
         private var createdAt: JsonField<OffsetDateTime>? = null
         private var exampleRunIds: JsonField<MutableList<String>>? = null
-        private var manifest: JsonValue? = null
+        private var manifest: JsonField<Manifest>? = null
         private var numDownloads: JsonField<Long>? = null
         private var numViews: JsonField<Long>? = null
         private var repoId: JsonField<String>? = null
@@ -363,7 +374,16 @@ private constructor(
                 }
         }
 
-        fun manifest(manifest: JsonValue) = apply { this.manifest = manifest }
+        fun manifest(manifest: Manifest) = manifest(JsonField.of(manifest))
+
+        /**
+         * Sets [Builder.manifest] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.manifest] with a well-typed [Manifest] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun manifest(manifest: JsonField<Manifest>) = apply { this.manifest = manifest }
 
         fun numDownloads(numDownloads: Long) = numDownloads(JsonField.of(numDownloads))
 
@@ -519,6 +539,7 @@ private constructor(
         commitHash()
         createdAt()
         exampleRunIds()
+        manifest().validate()
         numDownloads()
         numViews()
         repoId()
@@ -548,6 +569,7 @@ private constructor(
             (if (commitHash.asKnown().isPresent) 1 else 0) +
             (if (createdAt.asKnown().isPresent) 1 else 0) +
             (exampleRunIds.asKnown().getOrNull()?.size ?: 0) +
+            (manifest.asKnown().getOrNull()?.validity() ?: 0) +
             (if (numDownloads.asKnown().isPresent) 1 else 0) +
             (if (numViews.asKnown().isPresent) 1 else 0) +
             (if (repoId.asKnown().isPresent) 1 else 0) +
@@ -556,6 +578,105 @@ private constructor(
             (if (parentCommitHash.asKnown().isPresent) 1 else 0) +
             (if (parentId.asKnown().isPresent) 1 else 0)
 
+    class Manifest
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Manifest]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Manifest]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(manifest: Manifest) = apply {
+                additionalProperties = manifest.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Manifest].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Manifest = Manifest(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Manifest = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Manifest && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Manifest{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/datasets/Dataset.kt

@@ -34,10 +34,10 @@ private constructor(
     private val dataType: JsonField<DataType>,
     private val description: JsonField<String>,
     private val externallyManaged: JsonField<Boolean>,
-    private val inputsSchemaDefinition: JsonValue,
+    private val inputsSchemaDefinition: JsonField<InputsSchemaDefinition>,
     private val lastSessionStartTime: JsonField<OffsetDateTime>,
-    private val metadata: JsonValue,
-    private val outputsSchemaDefinition: JsonValue,
+    private val metadata: JsonField<Metadata>,
+    private val outputsSchemaDefinition: JsonField<OutputsSchemaDefinition>,
     private val transformations: JsonField<List<DatasetTransformation>>,
     private val additionalProperties: MutableMap<String, JsonValue>,
 ) {
@@ -68,14 +68,14 @@ private constructor(
         externallyManaged: JsonField<Boolean> = JsonMissing.of(),
         @JsonProperty("inputs_schema_definition")
         @ExcludeMissing
-        inputsSchemaDefinition: JsonValue = JsonMissing.of(),
+        inputsSchemaDefinition: JsonField<InputsSchemaDefinition> = JsonMissing.of(),
         @JsonProperty("last_session_start_time")
         @ExcludeMissing
         lastSessionStartTime: JsonField<OffsetDateTime> = JsonMissing.of(),
-        @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+        @JsonProperty("metadata") @ExcludeMissing metadata: JsonField<Metadata> = JsonMissing.of(),
         @JsonProperty("outputs_schema_definition")
         @ExcludeMissing
-        outputsSchemaDefinition: JsonValue = JsonMissing.of(),
+        outputsSchemaDefinition: JsonField<OutputsSchemaDefinition> = JsonMissing.of(),
         @JsonProperty("transformations")
         @ExcludeMissing
         transformations: JsonField<List<DatasetTransformation>> = JsonMissing.of(),
@@ -160,9 +160,12 @@ private constructor(
      */
     fun externallyManaged(): Optional<Boolean> = externallyManaged.getOptional("externally_managed")
 
-    @JsonProperty("inputs_schema_definition")
-    @ExcludeMissing
-    fun _inputsSchemaDefinition(): JsonValue = inputsSchemaDefinition
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun inputsSchemaDefinition(): Optional<InputsSchemaDefinition> =
+        inputsSchemaDefinition.getOptional("inputs_schema_definition")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -171,11 +174,18 @@ private constructor(
     fun lastSessionStartTime(): Optional<OffsetDateTime> =
         lastSessionStartTime.getOptional("last_session_start_time")
 
-    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
-    @JsonProperty("outputs_schema_definition")
-    @ExcludeMissing
-    fun _outputsSchemaDefinition(): JsonValue = outputsSchemaDefinition
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun outputsSchemaDefinition(): Optional<OutputsSchemaDefinition> =
+        outputsSchemaDefinition.getOptional("outputs_schema_definition")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -265,6 +275,16 @@ private constructor(
     @ExcludeMissing
     fun _externallyManaged(): JsonField<Boolean> = externallyManaged
 
+    /**
+     * Returns the raw JSON value of [inputsSchemaDefinition].
+     *
+     * Unlike [inputsSchemaDefinition], this method doesn't throw if the JSON field has an
+     * unexpected type.
+     */
+    @JsonProperty("inputs_schema_definition")
+    @ExcludeMissing
+    fun _inputsSchemaDefinition(): JsonField<InputsSchemaDefinition> = inputsSchemaDefinition
+
     /**
      * Returns the raw JSON value of [lastSessionStartTime].
      *
@@ -275,6 +295,23 @@ private constructor(
     @ExcludeMissing
     fun _lastSessionStartTime(): JsonField<OffsetDateTime> = lastSessionStartTime
 
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
+    /**
+     * Returns the raw JSON value of [outputsSchemaDefinition].
+     *
+     * Unlike [outputsSchemaDefinition], this method doesn't throw if the JSON field has an
+     * unexpected type.
+     */
+    @JsonProperty("outputs_schema_definition")
+    @ExcludeMissing
+    fun _outputsSchemaDefinition(): JsonField<OutputsSchemaDefinition> = outputsSchemaDefinition
+
     /**
      * Returns the raw JSON value of [transformations].
      *
@@ -327,10 +364,10 @@ private constructor(
         private var dataType: JsonField<DataType> = JsonMissing.of()
         private var description: JsonField<String> = JsonMissing.of()
         private var externallyManaged: JsonField<Boolean> = JsonMissing.of()
-        private var inputsSchemaDefinition: JsonValue = JsonMissing.of()
+        private var inputsSchemaDefinition: JsonField<InputsSchemaDefinition> = JsonMissing.of()
         private var lastSessionStartTime: JsonField<OffsetDateTime> = JsonMissing.of()
-        private var metadata: JsonValue = JsonMissing.of()
-        private var outputsSchemaDefinition: JsonValue = JsonMissing.of()
+        private var metadata: JsonField<Metadata> = JsonMissing.of()
+        private var outputsSchemaDefinition: JsonField<OutputsSchemaDefinition> = JsonMissing.of()
         private var transformations: JsonField<MutableList<DatasetTransformation>>? = null
         private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
@@ -485,9 +522,27 @@ private constructor(
             this.externallyManaged = externallyManaged
         }
 
-        fun inputsSchemaDefinition(inputsSchemaDefinition: JsonValue) = apply {
-            this.inputsSchemaDefinition = inputsSchemaDefinition
-        }
+        fun inputsSchemaDefinition(inputsSchemaDefinition: InputsSchemaDefinition?) =
+            inputsSchemaDefinition(JsonField.ofNullable(inputsSchemaDefinition))
+
+        /**
+         * Alias for calling [Builder.inputsSchemaDefinition] with
+         * `inputsSchemaDefinition.orElse(null)`.
+         */
+        fun inputsSchemaDefinition(inputsSchemaDefinition: Optional<InputsSchemaDefinition>) =
+            inputsSchemaDefinition(inputsSchemaDefinition.getOrNull())
+
+        /**
+         * Sets [Builder.inputsSchemaDefinition] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.inputsSchemaDefinition] with a well-typed
+         * [InputsSchemaDefinition] value instead. This method is primarily for setting the field to
+         * an undocumented or not yet supported value.
+         */
+        fun inputsSchemaDefinition(inputsSchemaDefinition: JsonField<InputsSchemaDefinition>) =
+            apply {
+                this.inputsSchemaDefinition = inputsSchemaDefinition
+            }
 
         fun lastSessionStartTime(lastSessionStartTime: OffsetDateTime?) =
             lastSessionStartTime(JsonField.ofNullable(lastSessionStartTime))
@@ -510,11 +565,41 @@ private constructor(
             this.lastSessionStartTime = lastSessionStartTime
         }
 
-        fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+        fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
 
-        fun outputsSchemaDefinition(outputsSchemaDefinition: JsonValue) = apply {
-            this.outputsSchemaDefinition = outputsSchemaDefinition
-        }
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
+
+        fun outputsSchemaDefinition(outputsSchemaDefinition: OutputsSchemaDefinition?) =
+            outputsSchemaDefinition(JsonField.ofNullable(outputsSchemaDefinition))
+
+        /**
+         * Alias for calling [Builder.outputsSchemaDefinition] with
+         * `outputsSchemaDefinition.orElse(null)`.
+         */
+        fun outputsSchemaDefinition(outputsSchemaDefinition: Optional<OutputsSchemaDefinition>) =
+            outputsSchemaDefinition(outputsSchemaDefinition.getOrNull())
+
+        /**
+         * Sets [Builder.outputsSchemaDefinition] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.outputsSchemaDefinition] with a well-typed
+         * [OutputsSchemaDefinition] value instead. This method is primarily for setting the field
+         * to an undocumented or not yet supported value.
+         */
+        fun outputsSchemaDefinition(outputsSchemaDefinition: JsonField<OutputsSchemaDefinition>) =
+            apply {
+                this.outputsSchemaDefinition = outputsSchemaDefinition
+            }
 
         fun transformations(transformations: List<DatasetTransformation>?) =
             transformations(JsonField.ofNullable(transformations))
@@ -620,7 +705,10 @@ private constructor(
         dataType().ifPresent { it.validate() }
         description()
         externallyManaged()
+        inputsSchemaDefinition().ifPresent { it.validate() }
         lastSessionStartTime()
+        metadata().ifPresent { it.validate() }
+        outputsSchemaDefinition().ifPresent { it.validate() }
         transformations().ifPresent { it.forEach { it.validate() } }
         validated = true
     }
@@ -650,9 +738,319 @@ private constructor(
             (dataType.asKnown().getOrNull()?.validity() ?: 0) +
             (if (description.asKnown().isPresent) 1 else 0) +
             (if (externallyManaged.asKnown().isPresent) 1 else 0) +
+            (inputsSchemaDefinition.asKnown().getOrNull()?.validity() ?: 0) +
             (if (lastSessionStartTime.asKnown().isPresent) 1 else 0) +
+            (metadata.asKnown().getOrNull()?.validity() ?: 0) +
+            (outputsSchemaDefinition.asKnown().getOrNull()?.validity() ?: 0) +
             (transformations.asKnown().getOrNull()?.sumOf { it.validity().toInt() } ?: 0)
 
+    class InputsSchemaDefinition
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /**
+             * Returns a mutable builder for constructing an instance of [InputsSchemaDefinition].
+             */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [InputsSchemaDefinition]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(inputsSchemaDefinition: InputsSchemaDefinition) = apply {
+                additionalProperties = inputsSchemaDefinition.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [InputsSchemaDefinition].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): InputsSchemaDefinition =
+                InputsSchemaDefinition(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): InputsSchemaDefinition = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is InputsSchemaDefinition &&
+                additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() =
+            "InputsSchemaDefinition{additionalProperties=$additionalProperties}"
+    }
+
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
+
+    class OutputsSchemaDefinition
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /**
+             * Returns a mutable builder for constructing an instance of [OutputsSchemaDefinition].
+             */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [OutputsSchemaDefinition]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(outputsSchemaDefinition: OutputsSchemaDefinition) = apply {
+                additionalProperties = outputsSchemaDefinition.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [OutputsSchemaDefinition].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): OutputsSchemaDefinition =
+                OutputsSchemaDefinition(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): OutputsSchemaDefinition = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is OutputsSchemaDefinition &&
+                additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() =
+            "OutputsSchemaDefinition{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/datasets/DatasetCloneResponse.kt

@@ -3,29 +3,23 @@
 package com.langchain.smith.models.datasets
 
 import com.fasterxml.jackson.annotation.JsonAnyGetter
-import com.fasterxml.jackson.annotation.JsonAnySetter
 import com.fasterxml.jackson.annotation.JsonCreator
 import com.langchain.smith.core.ExcludeMissing
 import com.langchain.smith.core.JsonValue
+import com.langchain.smith.core.toImmutable
 import com.langchain.smith.errors.LangChainInvalidDataException
-import java.util.Collections
 import java.util.Objects
 
 class DatasetCloneResponse
-@JsonCreator(mode = JsonCreator.Mode.DISABLED)
-private constructor(private val additionalProperties: MutableMap<String, JsonValue>) {
-
-    @JsonCreator private constructor() : this(mutableMapOf())
-
-    @JsonAnySetter
-    private fun putAdditionalProperty(key: String, value: JsonValue) {
-        additionalProperties.put(key, value)
-    }
+@JsonCreator
+private constructor(
+    @com.fasterxml.jackson.annotation.JsonValue
+    private val additionalProperties: Map<String, JsonValue>
+) {
 
     @JsonAnyGetter
     @ExcludeMissing
-    fun _additionalProperties(): Map<String, JsonValue> =
-        Collections.unmodifiableMap(additionalProperties)
+    fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
 
     fun toBuilder() = Builder().from(this)
 
@@ -69,8 +63,7 @@ private constructor(private val additionalProperties: MutableMap<String, JsonVal
          *
          * Further updates to this [Builder] will not mutate the returned instance.
          */
-        fun build(): DatasetCloneResponse =
-            DatasetCloneResponse(additionalProperties.toMutableMap())
+        fun build(): DatasetCloneResponse = DatasetCloneResponse(additionalProperties.toImmutable())
     }
 
     private var validated: Boolean = false
@@ -96,7 +89,9 @@ private constructor(private val additionalProperties: MutableMap<String, JsonVal
      *
      * Used for best match union deserialization.
      */
-    @JvmSynthetic internal fun validity(): Int = 0
+    @JvmSynthetic
+    internal fun validity(): Int =
+        additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
 
     override fun equals(other: Any?): Boolean {
         if (this === other) {

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/datasets/DatasetCreateParams.kt

@@ -69,11 +69,24 @@ private constructor(
      */
     fun externallyManaged(): Optional<Boolean> = body.externallyManaged()
 
-    fun _extra(): JsonValue = body._extra()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun extra(): Optional<Extra> = body.extra()
 
-    fun _inputsSchemaDefinition(): JsonValue = body._inputsSchemaDefinition()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun inputsSchemaDefinition(): Optional<InputsSchemaDefinition> = body.inputsSchemaDefinition()
 
-    fun _outputsSchemaDefinition(): JsonValue = body._outputsSchemaDefinition()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun outputsSchemaDefinition(): Optional<OutputsSchemaDefinition> =
+        body.outputsSchemaDefinition()
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -124,6 +137,31 @@ private constructor(
      */
     fun _externallyManaged(): JsonField<Boolean> = body._externallyManaged()
 
+    /**
+     * Returns the raw JSON value of [extra].
+     *
+     * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    fun _extra(): JsonField<Extra> = body._extra()
+
+    /**
+     * Returns the raw JSON value of [inputsSchemaDefinition].
+     *
+     * Unlike [inputsSchemaDefinition], this method doesn't throw if the JSON field has an
+     * unexpected type.
+     */
+    fun _inputsSchemaDefinition(): JsonField<InputsSchemaDefinition> =
+        body._inputsSchemaDefinition()
+
+    /**
+     * Returns the raw JSON value of [outputsSchemaDefinition].
+     *
+     * Unlike [outputsSchemaDefinition], this method doesn't throw if the JSON field has an
+     * unexpected type.
+     */
+    fun _outputsSchemaDefinition(): JsonField<OutputsSchemaDefinition> =
+        body._outputsSchemaDefinition()
+
     /**
      * Returns the raw JSON value of [transformations].
      *
@@ -269,16 +307,65 @@ private constructor(
             body.externallyManaged(externallyManaged)
         }
 
-        fun extra(extra: JsonValue) = apply { body.extra(extra) }
+        fun extra(extra: Extra?) = apply { body.extra(extra) }
 
-        fun inputsSchemaDefinition(inputsSchemaDefinition: JsonValue) = apply {
+        /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+        fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
+
+        /**
+         * Sets [Builder.extra] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.extra] with a well-typed [Extra] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun extra(extra: JsonField<Extra>) = apply { body.extra(extra) }
+
+        fun inputsSchemaDefinition(inputsSchemaDefinition: InputsSchemaDefinition?) = apply {
             body.inputsSchemaDefinition(inputsSchemaDefinition)
         }
 
-        fun outputsSchemaDefinition(outputsSchemaDefinition: JsonValue) = apply {
+        /**
+         * Alias for calling [Builder.inputsSchemaDefinition] with
+         * `inputsSchemaDefinition.orElse(null)`.
+         */
+        fun inputsSchemaDefinition(inputsSchemaDefinition: Optional<InputsSchemaDefinition>) =
+            inputsSchemaDefinition(inputsSchemaDefinition.getOrNull())
+
+        /**
+         * Sets [Builder.inputsSchemaDefinition] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.inputsSchemaDefinition] with a well-typed
+         * [InputsSchemaDefinition] value instead. This method is primarily for setting the field to
+         * an undocumented or not yet supported value.
+         */
+        fun inputsSchemaDefinition(inputsSchemaDefinition: JsonField<InputsSchemaDefinition>) =
+            apply {
+                body.inputsSchemaDefinition(inputsSchemaDefinition)
+            }
+
+        fun outputsSchemaDefinition(outputsSchemaDefinition: OutputsSchemaDefinition?) = apply {
             body.outputsSchemaDefinition(outputsSchemaDefinition)
         }
 
+        /**
+         * Alias for calling [Builder.outputsSchemaDefinition] with
+         * `outputsSchemaDefinition.orElse(null)`.
+         */
+        fun outputsSchemaDefinition(outputsSchemaDefinition: Optional<OutputsSchemaDefinition>) =
+            outputsSchemaDefinition(outputsSchemaDefinition.getOrNull())
+
+        /**
+         * Sets [Builder.outputsSchemaDefinition] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.outputsSchemaDefinition] with a well-typed
+         * [OutputsSchemaDefinition] value instead. This method is primarily for setting the field
+         * to an undocumented or not yet supported value.
+         */
+        fun outputsSchemaDefinition(outputsSchemaDefinition: JsonField<OutputsSchemaDefinition>) =
+            apply {
+                body.outputsSchemaDefinition(outputsSchemaDefinition)
+            }
+
         fun transformations(transformations: List<DatasetTransformation>?) = apply {
             body.transformations(transformations)
         }
@@ -460,9 +547,9 @@ private constructor(
         private val dataType: JsonField<DataType>,
         private val description: JsonField<String>,
         private val externallyManaged: JsonField<Boolean>,
-        private val extra: JsonValue,
-        private val inputsSchemaDefinition: JsonValue,
-        private val outputsSchemaDefinition: JsonValue,
+        private val extra: JsonField<Extra>,
+        private val inputsSchemaDefinition: JsonField<InputsSchemaDefinition>,
+        private val outputsSchemaDefinition: JsonField<OutputsSchemaDefinition>,
         private val transformations: JsonField<List<DatasetTransformation>>,
         private val additionalProperties: MutableMap<String, JsonValue>,
     ) {
@@ -483,13 +570,13 @@ private constructor(
             @JsonProperty("externally_managed")
             @ExcludeMissing
             externallyManaged: JsonField<Boolean> = JsonMissing.of(),
-            @JsonProperty("extra") @ExcludeMissing extra: JsonValue = JsonMissing.of(),
+            @JsonProperty("extra") @ExcludeMissing extra: JsonField<Extra> = JsonMissing.of(),
             @JsonProperty("inputs_schema_definition")
             @ExcludeMissing
-            inputsSchemaDefinition: JsonValue = JsonMissing.of(),
+            inputsSchemaDefinition: JsonField<InputsSchemaDefinition> = JsonMissing.of(),
             @JsonProperty("outputs_schema_definition")
             @ExcludeMissing
-            outputsSchemaDefinition: JsonValue = JsonMissing.of(),
+            outputsSchemaDefinition: JsonField<OutputsSchemaDefinition> = JsonMissing.of(),
             @JsonProperty("transformations")
             @ExcludeMissing
             transformations: JsonField<List<DatasetTransformation>> = JsonMissing.of(),
@@ -546,15 +633,25 @@ private constructor(
         fun externallyManaged(): Optional<Boolean> =
             externallyManaged.getOptional("externally_managed")
 
-        @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonValue = extra
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun extra(): Optional<Extra> = extra.getOptional("extra")
 
-        @JsonProperty("inputs_schema_definition")
-        @ExcludeMissing
-        fun _inputsSchemaDefinition(): JsonValue = inputsSchemaDefinition
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun inputsSchemaDefinition(): Optional<InputsSchemaDefinition> =
+            inputsSchemaDefinition.getOptional("inputs_schema_definition")
 
-        @JsonProperty("outputs_schema_definition")
-        @ExcludeMissing
-        fun _outputsSchemaDefinition(): JsonValue = outputsSchemaDefinition
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun outputsSchemaDefinition(): Optional<OutputsSchemaDefinition> =
+            outputsSchemaDefinition.getOptional("outputs_schema_definition")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -612,6 +709,33 @@ private constructor(
         @ExcludeMissing
         fun _externallyManaged(): JsonField<Boolean> = externallyManaged
 
+        /**
+         * Returns the raw JSON value of [extra].
+         *
+         * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonField<Extra> = extra
+
+        /**
+         * Returns the raw JSON value of [inputsSchemaDefinition].
+         *
+         * Unlike [inputsSchemaDefinition], this method doesn't throw if the JSON field has an
+         * unexpected type.
+         */
+        @JsonProperty("inputs_schema_definition")
+        @ExcludeMissing
+        fun _inputsSchemaDefinition(): JsonField<InputsSchemaDefinition> = inputsSchemaDefinition
+
+        /**
+         * Returns the raw JSON value of [outputsSchemaDefinition].
+         *
+         * Unlike [outputsSchemaDefinition], this method doesn't throw if the JSON field has an
+         * unexpected type.
+         */
+        @JsonProperty("outputs_schema_definition")
+        @ExcludeMissing
+        fun _outputsSchemaDefinition(): JsonField<OutputsSchemaDefinition> = outputsSchemaDefinition
+
         /**
          * Returns the raw JSON value of [transformations].
          *
@@ -656,9 +780,10 @@ private constructor(
             private var dataType: JsonField<DataType> = JsonMissing.of()
             private var description: JsonField<String> = JsonMissing.of()
             private var externallyManaged: JsonField<Boolean> = JsonMissing.of()
-            private var extra: JsonValue = JsonMissing.of()
-            private var inputsSchemaDefinition: JsonValue = JsonMissing.of()
-            private var outputsSchemaDefinition: JsonValue = JsonMissing.of()
+            private var extra: JsonField<Extra> = JsonMissing.of()
+            private var inputsSchemaDefinition: JsonField<InputsSchemaDefinition> = JsonMissing.of()
+            private var outputsSchemaDefinition: JsonField<OutputsSchemaDefinition> =
+                JsonMissing.of()
             private var transformations: JsonField<MutableList<DatasetTransformation>>? = null
             private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
@@ -771,15 +896,63 @@ private constructor(
                 this.externallyManaged = externallyManaged
             }
 
-            fun extra(extra: JsonValue) = apply { this.extra = extra }
+            fun extra(extra: Extra?) = extra(JsonField.ofNullable(extra))
 
-            fun inputsSchemaDefinition(inputsSchemaDefinition: JsonValue) = apply {
-                this.inputsSchemaDefinition = inputsSchemaDefinition
-            }
+            /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+            fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
 
-            fun outputsSchemaDefinition(outputsSchemaDefinition: JsonValue) = apply {
-                this.outputsSchemaDefinition = outputsSchemaDefinition
-            }
+            /**
+             * Sets [Builder.extra] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.extra] with a well-typed [Extra] value instead. This
+             * method is primarily for setting the field to an undocumented or not yet supported
+             * value.
+             */
+            fun extra(extra: JsonField<Extra>) = apply { this.extra = extra }
+
+            fun inputsSchemaDefinition(inputsSchemaDefinition: InputsSchemaDefinition?) =
+                inputsSchemaDefinition(JsonField.ofNullable(inputsSchemaDefinition))
+
+            /**
+             * Alias for calling [Builder.inputsSchemaDefinition] with
+             * `inputsSchemaDefinition.orElse(null)`.
+             */
+            fun inputsSchemaDefinition(inputsSchemaDefinition: Optional<InputsSchemaDefinition>) =
+                inputsSchemaDefinition(inputsSchemaDefinition.getOrNull())
+
+            /**
+             * Sets [Builder.inputsSchemaDefinition] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.inputsSchemaDefinition] with a well-typed
+             * [InputsSchemaDefinition] value instead. This method is primarily for setting the
+             * field to an undocumented or not yet supported value.
+             */
+            fun inputsSchemaDefinition(inputsSchemaDefinition: JsonField<InputsSchemaDefinition>) =
+                apply {
+                    this.inputsSchemaDefinition = inputsSchemaDefinition
+                }
+
+            fun outputsSchemaDefinition(outputsSchemaDefinition: OutputsSchemaDefinition?) =
+                outputsSchemaDefinition(JsonField.ofNullable(outputsSchemaDefinition))
+
+            /**
+             * Alias for calling [Builder.outputsSchemaDefinition] with
+             * `outputsSchemaDefinition.orElse(null)`.
+             */
+            fun outputsSchemaDefinition(
+                outputsSchemaDefinition: Optional<OutputsSchemaDefinition>
+            ) = outputsSchemaDefinition(outputsSchemaDefinition.getOrNull())
+
+            /**
+             * Sets [Builder.outputsSchemaDefinition] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.outputsSchemaDefinition] with a well-typed
+             * [OutputsSchemaDefinition] value instead. This method is primarily for setting the
+             * field to an undocumented or not yet supported value.
+             */
+            fun outputsSchemaDefinition(
+                outputsSchemaDefinition: JsonField<OutputsSchemaDefinition>
+            ) = apply { this.outputsSchemaDefinition = outputsSchemaDefinition }
 
             fun transformations(transformations: List<DatasetTransformation>?) =
                 transformations(JsonField.ofNullable(transformations))
@@ -871,6 +1044,9 @@ private constructor(
             dataType().ifPresent { it.validate() }
             description()
             externallyManaged()
+            extra().ifPresent { it.validate() }
+            inputsSchemaDefinition().ifPresent { it.validate() }
+            outputsSchemaDefinition().ifPresent { it.validate() }
             transformations().ifPresent { it.forEach { it.validate() } }
             validated = true
         }
@@ -897,6 +1073,9 @@ private constructor(
                 (dataType.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (description.asKnown().isPresent) 1 else 0) +
                 (if (externallyManaged.asKnown().isPresent) 1 else 0) +
+                (extra.asKnown().getOrNull()?.validity() ?: 0) +
+                (inputsSchemaDefinition.asKnown().getOrNull()?.validity() ?: 0) +
+                (outputsSchemaDefinition.asKnown().getOrNull()?.validity() ?: 0) +
                 (transformations.asKnown().getOrNull()?.sumOf { it.validity().toInt() } ?: 0)
 
         override fun equals(other: Any?): Boolean {
@@ -940,6 +1119,313 @@ private constructor(
             "Body{name=$name, id=$id, createdAt=$createdAt, dataType=$dataType, description=$description, externallyManaged=$externallyManaged, extra=$extra, inputsSchemaDefinition=$inputsSchemaDefinition, outputsSchemaDefinition=$outputsSchemaDefinition, transformations=$transformations, additionalProperties=$additionalProperties}"
     }
 
+    class Extra
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Extra]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Extra]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(extra: Extra) = apply {
+                additionalProperties = extra.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Extra].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Extra = Extra(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Extra = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Extra && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Extra{additionalProperties=$additionalProperties}"
+    }
+
+    class InputsSchemaDefinition
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /**
+             * Returns a mutable builder for constructing an instance of [InputsSchemaDefinition].
+             */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [InputsSchemaDefinition]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(inputsSchemaDefinition: InputsSchemaDefinition) = apply {
+                additionalProperties = inputsSchemaDefinition.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [InputsSchemaDefinition].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): InputsSchemaDefinition =
+                InputsSchemaDefinition(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): InputsSchemaDefinition = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is InputsSchemaDefinition &&
+                additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() =
+            "InputsSchemaDefinition{additionalProperties=$additionalProperties}"
+    }
+
+    class OutputsSchemaDefinition
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /**
+             * Returns a mutable builder for constructing an instance of [OutputsSchemaDefinition].
+             */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [OutputsSchemaDefinition]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(outputsSchemaDefinition: OutputsSchemaDefinition) = apply {
+                additionalProperties = outputsSchemaDefinition.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [OutputsSchemaDefinition].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): OutputsSchemaDefinition =
+                OutputsSchemaDefinition(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): OutputsSchemaDefinition = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is OutputsSchemaDefinition &&
+                additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() =
+            "OutputsSchemaDefinition{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/datasets/DatasetUpdateParams.kt

@@ -238,10 +238,10 @@ private constructor(
 
         /**
          * Alias for calling [inputsSchemaDefinition] with
-         * `InputsSchemaDefinition.ofJsonValue(jsonValue)`.
+         * `InputsSchemaDefinition.ofUnionMember0(unionMember0)`.
          */
-        fun inputsSchemaDefinition(jsonValue: JsonValue) = apply {
-            body.inputsSchemaDefinition(jsonValue)
+        fun inputsSchemaDefinition(unionMember0: InputsSchemaDefinition.UnionMember0) = apply {
+            body.inputsSchemaDefinition(unionMember0)
         }
 
         /**
@@ -266,8 +266,8 @@ private constructor(
          */
         fun metadata(metadata: JsonField<Metadata>) = apply { body.metadata(metadata) }
 
-        /** Alias for calling [metadata] with `Metadata.ofJsonValue(jsonValue)`. */
-        fun metadata(jsonValue: JsonValue) = apply { body.metadata(jsonValue) }
+        /** Alias for calling [metadata] with `Metadata.ofUnionMember0(unionMember0)`. */
+        fun metadata(unionMember0: Metadata.UnionMember0) = apply { body.metadata(unionMember0) }
 
         /** Alias for calling [metadata] with `Metadata.ofMissing(missing)`. */
         fun metadata(missing: Missing) = apply { body.metadata(missing) }
@@ -316,10 +316,10 @@ private constructor(
 
         /**
          * Alias for calling [outputsSchemaDefinition] with
-         * `OutputsSchemaDefinition.ofJsonValue(jsonValue)`.
+         * `OutputsSchemaDefinition.ofUnionMember0(unionMember0)`.
          */
-        fun outputsSchemaDefinition(jsonValue: JsonValue) = apply {
-            body.outputsSchemaDefinition(jsonValue)
+        fun outputsSchemaDefinition(unionMember0: OutputsSchemaDefinition.UnionMember0) = apply {
+            body.outputsSchemaDefinition(unionMember0)
         }
 
         /**
@@ -764,10 +764,10 @@ private constructor(
 
             /**
              * Alias for calling [inputsSchemaDefinition] with
-             * `InputsSchemaDefinition.ofJsonValue(jsonValue)`.
+             * `InputsSchemaDefinition.ofUnionMember0(unionMember0)`.
              */
-            fun inputsSchemaDefinition(jsonValue: JsonValue) =
-                inputsSchemaDefinition(InputsSchemaDefinition.ofJsonValue(jsonValue))
+            fun inputsSchemaDefinition(unionMember0: InputsSchemaDefinition.UnionMember0) =
+                inputsSchemaDefinition(InputsSchemaDefinition.ofUnionMember0(unionMember0))
 
             /**
              * Alias for calling [inputsSchemaDefinition] with
@@ -790,8 +790,9 @@ private constructor(
              */
             fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
-            /** Alias for calling [metadata] with `Metadata.ofJsonValue(jsonValue)`. */
-            fun metadata(jsonValue: JsonValue) = metadata(Metadata.ofJsonValue(jsonValue))
+            /** Alias for calling [metadata] with `Metadata.ofUnionMember0(unionMember0)`. */
+            fun metadata(unionMember0: Metadata.UnionMember0) =
+                metadata(Metadata.ofUnionMember0(unionMember0))
 
             /** Alias for calling [metadata] with `Metadata.ofMissing(missing)`. */
             fun metadata(missing: Missing) = metadata(Metadata.ofMissing(missing))
@@ -840,10 +841,10 @@ private constructor(
 
             /**
              * Alias for calling [outputsSchemaDefinition] with
-             * `OutputsSchemaDefinition.ofJsonValue(jsonValue)`.
+             * `OutputsSchemaDefinition.ofUnionMember0(unionMember0)`.
              */
-            fun outputsSchemaDefinition(jsonValue: JsonValue) =
-                outputsSchemaDefinition(OutputsSchemaDefinition.ofJsonValue(jsonValue))
+            fun outputsSchemaDefinition(unionMember0: OutputsSchemaDefinition.UnionMember0) =
+                outputsSchemaDefinition(OutputsSchemaDefinition.ofUnionMember0(unionMember0))
 
             /**
              * Alias for calling [outputsSchemaDefinition] with
@@ -1185,20 +1186,20 @@ private constructor(
     @JsonSerialize(using = InputsSchemaDefinition.Serializer::class)
     class InputsSchemaDefinition
     private constructor(
-        private val jsonValue: JsonValue? = null,
+        private val unionMember0: UnionMember0? = null,
         private val missing: Missing? = null,
         private val _json: JsonValue? = null,
     ) {
 
-        fun jsonValue(): Optional<JsonValue> = Optional.ofNullable(jsonValue)
+        fun unionMember0(): Optional<UnionMember0> = Optional.ofNullable(unionMember0)
 
         fun missing(): Optional<Missing> = Optional.ofNullable(missing)
 
-        fun isJsonValue(): Boolean = jsonValue != null
+        fun isUnionMember0(): Boolean = unionMember0 != null
 
         fun isMissing(): Boolean = missing != null
 
-        fun asJsonValue(): JsonValue = jsonValue.getOrThrow("jsonValue")
+        fun asUnionMember0(): UnionMember0 = unionMember0.getOrThrow("unionMember0")
 
         fun asMissing(): Missing = missing.getOrThrow("missing")
 
@@ -1206,7 +1207,7 @@ private constructor(
 
         fun <T> accept(visitor: Visitor<T>): T =
             when {
-                jsonValue != null -> visitor.visitJsonValue(jsonValue)
+                unionMember0 != null -> visitor.visitUnionMember0(unionMember0)
                 missing != null -> visitor.visitMissing(missing)
                 else -> visitor.unknown(_json)
             }
@@ -1220,7 +1221,9 @@ private constructor(
 
             accept(
                 object : Visitor<Unit> {
-                    override fun visitJsonValue(jsonValue: JsonValue) {}
+                    override fun visitUnionMember0(unionMember0: UnionMember0) {
+                        unionMember0.validate()
+                    }
 
                     override fun visitMissing(missing: Missing) {
                         missing.validate()
@@ -1248,7 +1251,8 @@ private constructor(
         internal fun validity(): Int =
             accept(
                 object : Visitor<Int> {
-                    override fun visitJsonValue(jsonValue: JsonValue) = 1
+                    override fun visitUnionMember0(unionMember0: UnionMember0) =
+                        unionMember0.validity()
 
                     override fun visitMissing(missing: Missing) = missing.validity()
 
@@ -1262,15 +1266,15 @@ private constructor(
             }
 
             return other is InputsSchemaDefinition &&
-                jsonValue == other.jsonValue &&
+                unionMember0 == other.unionMember0 &&
                 missing == other.missing
         }
 
-        override fun hashCode(): Int = Objects.hash(jsonValue, missing)
+        override fun hashCode(): Int = Objects.hash(unionMember0, missing)
 
         override fun toString(): String =
             when {
-                jsonValue != null -> "InputsSchemaDefinition{jsonValue=$jsonValue}"
+                unionMember0 != null -> "InputsSchemaDefinition{unionMember0=$unionMember0}"
                 missing != null -> "InputsSchemaDefinition{missing=$missing}"
                 _json != null -> "InputsSchemaDefinition{_unknown=$_json}"
                 else -> throw IllegalStateException("Invalid InputsSchemaDefinition")
@@ -1279,7 +1283,8 @@ private constructor(
         companion object {
 
             @JvmStatic
-            fun ofJsonValue(jsonValue: JsonValue) = InputsSchemaDefinition(jsonValue = jsonValue)
+            fun ofUnionMember0(unionMember0: UnionMember0) =
+                InputsSchemaDefinition(unionMember0 = unionMember0)
 
             @JvmStatic fun ofMissing(missing: Missing) = InputsSchemaDefinition(missing = missing)
         }
@@ -1290,7 +1295,7 @@ private constructor(
          */
         interface Visitor<out T> {
 
-            fun visitJsonValue(jsonValue: JsonValue): T
+            fun visitUnionMember0(unionMember0: UnionMember0): T
 
             fun visitMissing(missing: Missing): T
 
@@ -1317,19 +1322,19 @@ private constructor(
 
                 val bestMatches =
                     sequenceOf(
+                            tryDeserialize(node, jacksonTypeRef<UnionMember0>())?.let {
+                                InputsSchemaDefinition(unionMember0 = it, _json = json)
+                            },
                             tryDeserialize(node, jacksonTypeRef<Missing>())?.let {
                                 InputsSchemaDefinition(missing = it, _json = json)
                             },
-                            tryDeserialize(node, jacksonTypeRef<JsonValue>())?.let {
-                                InputsSchemaDefinition(jsonValue = it, _json = json)
-                            },
                         )
                         .filterNotNull()
                         .allMaxBy { it.validity() }
                         .toList()
                 return when (bestMatches.size) {
                     // This can happen if what we're deserializing is completely incompatible with
-                    // all the possible variants.
+                    // all the possible variants (e.g. deserializing from boolean).
                     0 -> InputsSchemaDefinition(_json = json)
                     1 -> bestMatches.single()
                     // If there's more than one match with the highest validity, then use the first
@@ -1349,33 +1354,135 @@ private constructor(
                 provider: SerializerProvider,
             ) {
                 when {
-                    value.jsonValue != null -> generator.writeObject(value.jsonValue)
+                    value.unionMember0 != null -> generator.writeObject(value.unionMember0)
                     value.missing != null -> generator.writeObject(value.missing)
                     value._json != null -> generator.writeObject(value._json)
                     else -> throw IllegalStateException("Invalid InputsSchemaDefinition")
                 }
             }
         }
+
+        class UnionMember0
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [UnionMember0]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [UnionMember0]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(unionMember0: UnionMember0) = apply {
+                    additionalProperties = unionMember0.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [UnionMember0].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): UnionMember0 = UnionMember0(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): UnionMember0 = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is UnionMember0 && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "UnionMember0{additionalProperties=$additionalProperties}"
+        }
     }
 
     @JsonDeserialize(using = Metadata.Deserializer::class)
     @JsonSerialize(using = Metadata.Serializer::class)
     class Metadata
     private constructor(
-        private val jsonValue: JsonValue? = null,
+        private val unionMember0: UnionMember0? = null,
         private val missing: Missing? = null,
         private val _json: JsonValue? = null,
     ) {
 
-        fun jsonValue(): Optional<JsonValue> = Optional.ofNullable(jsonValue)
+        fun unionMember0(): Optional<UnionMember0> = Optional.ofNullable(unionMember0)
 
         fun missing(): Optional<Missing> = Optional.ofNullable(missing)
 
-        fun isJsonValue(): Boolean = jsonValue != null
+        fun isUnionMember0(): Boolean = unionMember0 != null
 
         fun isMissing(): Boolean = missing != null
 
-        fun asJsonValue(): JsonValue = jsonValue.getOrThrow("jsonValue")
+        fun asUnionMember0(): UnionMember0 = unionMember0.getOrThrow("unionMember0")
 
         fun asMissing(): Missing = missing.getOrThrow("missing")
 
@@ -1383,7 +1490,7 @@ private constructor(
 
         fun <T> accept(visitor: Visitor<T>): T =
             when {
-                jsonValue != null -> visitor.visitJsonValue(jsonValue)
+                unionMember0 != null -> visitor.visitUnionMember0(unionMember0)
                 missing != null -> visitor.visitMissing(missing)
                 else -> visitor.unknown(_json)
             }
@@ -1397,7 +1504,9 @@ private constructor(
 
             accept(
                 object : Visitor<Unit> {
-                    override fun visitJsonValue(jsonValue: JsonValue) {}
+                    override fun visitUnionMember0(unionMember0: UnionMember0) {
+                        unionMember0.validate()
+                    }
 
                     override fun visitMissing(missing: Missing) {
                         missing.validate()
@@ -1425,7 +1534,8 @@ private constructor(
         internal fun validity(): Int =
             accept(
                 object : Visitor<Int> {
-                    override fun visitJsonValue(jsonValue: JsonValue) = 1
+                    override fun visitUnionMember0(unionMember0: UnionMember0) =
+                        unionMember0.validity()
 
                     override fun visitMissing(missing: Missing) = missing.validity()
 
@@ -1438,14 +1548,16 @@ private constructor(
                 return true
             }
 
-            return other is Metadata && jsonValue == other.jsonValue && missing == other.missing
+            return other is Metadata &&
+                unionMember0 == other.unionMember0 &&
+                missing == other.missing
         }
 
-        override fun hashCode(): Int = Objects.hash(jsonValue, missing)
+        override fun hashCode(): Int = Objects.hash(unionMember0, missing)
 
         override fun toString(): String =
             when {
-                jsonValue != null -> "Metadata{jsonValue=$jsonValue}"
+                unionMember0 != null -> "Metadata{unionMember0=$unionMember0}"
                 missing != null -> "Metadata{missing=$missing}"
                 _json != null -> "Metadata{_unknown=$_json}"
                 else -> throw IllegalStateException("Invalid Metadata")
@@ -1453,7 +1565,8 @@ private constructor(
 
         companion object {
 
-            @JvmStatic fun ofJsonValue(jsonValue: JsonValue) = Metadata(jsonValue = jsonValue)
+            @JvmStatic
+            fun ofUnionMember0(unionMember0: UnionMember0) = Metadata(unionMember0 = unionMember0)
 
             @JvmStatic fun ofMissing(missing: Missing) = Metadata(missing = missing)
         }
@@ -1463,7 +1576,7 @@ private constructor(
          */
         interface Visitor<out T> {
 
-            fun visitJsonValue(jsonValue: JsonValue): T
+            fun visitUnionMember0(unionMember0: UnionMember0): T
 
             fun visitMissing(missing: Missing): T
 
@@ -1489,19 +1602,19 @@ private constructor(
 
                 val bestMatches =
                     sequenceOf(
+                            tryDeserialize(node, jacksonTypeRef<UnionMember0>())?.let {
+                                Metadata(unionMember0 = it, _json = json)
+                            },
                             tryDeserialize(node, jacksonTypeRef<Missing>())?.let {
                                 Metadata(missing = it, _json = json)
                             },
-                            tryDeserialize(node, jacksonTypeRef<JsonValue>())?.let {
-                                Metadata(jsonValue = it, _json = json)
-                            },
                         )
                         .filterNotNull()
                         .allMaxBy { it.validity() }
                         .toList()
                 return when (bestMatches.size) {
                     // This can happen if what we're deserializing is completely incompatible with
-                    // all the possible variants.
+                    // all the possible variants (e.g. deserializing from boolean).
                     0 -> Metadata(_json = json)
                     1 -> bestMatches.single()
                     // If there's more than one match with the highest validity, then use the first
@@ -1520,13 +1633,115 @@ private constructor(
                 provider: SerializerProvider,
             ) {
                 when {
-                    value.jsonValue != null -> generator.writeObject(value.jsonValue)
+                    value.unionMember0 != null -> generator.writeObject(value.unionMember0)
                     value.missing != null -> generator.writeObject(value.missing)
                     value._json != null -> generator.writeObject(value._json)
                     else -> throw IllegalStateException("Invalid Metadata")
                 }
             }
         }
+
+        class UnionMember0
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [UnionMember0]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [UnionMember0]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(unionMember0: UnionMember0) = apply {
+                    additionalProperties = unionMember0.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [UnionMember0].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): UnionMember0 = UnionMember0(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): UnionMember0 = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is UnionMember0 && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "UnionMember0{additionalProperties=$additionalProperties}"
+        }
     }
 
     @JsonDeserialize(using = Name.Deserializer::class)
@@ -1701,20 +1916,20 @@ private constructor(
     @JsonSerialize(using = OutputsSchemaDefinition.Serializer::class)
     class OutputsSchemaDefinition
     private constructor(
-        private val jsonValue: JsonValue? = null,
+        private val unionMember0: UnionMember0? = null,
         private val missing: Missing? = null,
         private val _json: JsonValue? = null,
     ) {
 
-        fun jsonValue(): Optional<JsonValue> = Optional.ofNullable(jsonValue)
+        fun unionMember0(): Optional<UnionMember0> = Optional.ofNullable(unionMember0)
 
         fun missing(): Optional<Missing> = Optional.ofNullable(missing)
 
-        fun isJsonValue(): Boolean = jsonValue != null
+        fun isUnionMember0(): Boolean = unionMember0 != null
 
         fun isMissing(): Boolean = missing != null
 
-        fun asJsonValue(): JsonValue = jsonValue.getOrThrow("jsonValue")
+        fun asUnionMember0(): UnionMember0 = unionMember0.getOrThrow("unionMember0")
 
         fun asMissing(): Missing = missing.getOrThrow("missing")
 
@@ -1722,7 +1937,7 @@ private constructor(
 
         fun <T> accept(visitor: Visitor<T>): T =
             when {
-                jsonValue != null -> visitor.visitJsonValue(jsonValue)
+                unionMember0 != null -> visitor.visitUnionMember0(unionMember0)
                 missing != null -> visitor.visitMissing(missing)
                 else -> visitor.unknown(_json)
             }
@@ -1736,7 +1951,9 @@ private constructor(
 
             accept(
                 object : Visitor<Unit> {
-                    override fun visitJsonValue(jsonValue: JsonValue) {}
+                    override fun visitUnionMember0(unionMember0: UnionMember0) {
+                        unionMember0.validate()
+                    }
 
                     override fun visitMissing(missing: Missing) {
                         missing.validate()
@@ -1764,7 +1981,8 @@ private constructor(
         internal fun validity(): Int =
             accept(
                 object : Visitor<Int> {
-                    override fun visitJsonValue(jsonValue: JsonValue) = 1
+                    override fun visitUnionMember0(unionMember0: UnionMember0) =
+                        unionMember0.validity()
 
                     override fun visitMissing(missing: Missing) = missing.validity()
 
@@ -1778,15 +1996,15 @@ private constructor(
             }
 
             return other is OutputsSchemaDefinition &&
-                jsonValue == other.jsonValue &&
+                unionMember0 == other.unionMember0 &&
                 missing == other.missing
         }
 
-        override fun hashCode(): Int = Objects.hash(jsonValue, missing)
+        override fun hashCode(): Int = Objects.hash(unionMember0, missing)
 
         override fun toString(): String =
             when {
-                jsonValue != null -> "OutputsSchemaDefinition{jsonValue=$jsonValue}"
+                unionMember0 != null -> "OutputsSchemaDefinition{unionMember0=$unionMember0}"
                 missing != null -> "OutputsSchemaDefinition{missing=$missing}"
                 _json != null -> "OutputsSchemaDefinition{_unknown=$_json}"
                 else -> throw IllegalStateException("Invalid OutputsSchemaDefinition")
@@ -1795,7 +2013,8 @@ private constructor(
         companion object {
 
             @JvmStatic
-            fun ofJsonValue(jsonValue: JsonValue) = OutputsSchemaDefinition(jsonValue = jsonValue)
+            fun ofUnionMember0(unionMember0: UnionMember0) =
+                OutputsSchemaDefinition(unionMember0 = unionMember0)
 
             @JvmStatic fun ofMissing(missing: Missing) = OutputsSchemaDefinition(missing = missing)
         }
@@ -1806,7 +2025,7 @@ private constructor(
          */
         interface Visitor<out T> {
 
-            fun visitJsonValue(jsonValue: JsonValue): T
+            fun visitUnionMember0(unionMember0: UnionMember0): T
 
             fun visitMissing(missing: Missing): T
 
@@ -1833,19 +2052,19 @@ private constructor(
 
                 val bestMatches =
                     sequenceOf(
+                            tryDeserialize(node, jacksonTypeRef<UnionMember0>())?.let {
+                                OutputsSchemaDefinition(unionMember0 = it, _json = json)
+                            },
                             tryDeserialize(node, jacksonTypeRef<Missing>())?.let {
                                 OutputsSchemaDefinition(missing = it, _json = json)
                             },
-                            tryDeserialize(node, jacksonTypeRef<JsonValue>())?.let {
-                                OutputsSchemaDefinition(jsonValue = it, _json = json)
-                            },
                         )
                         .filterNotNull()
                         .allMaxBy { it.validity() }
                         .toList()
                 return when (bestMatches.size) {
                     // This can happen if what we're deserializing is completely incompatible with
-                    // all the possible variants.
+                    // all the possible variants (e.g. deserializing from boolean).
                     0 -> OutputsSchemaDefinition(_json = json)
                     1 -> bestMatches.single()
                     // If there's more than one match with the highest validity, then use the first
@@ -1865,13 +2084,115 @@ private constructor(
                 provider: SerializerProvider,
             ) {
                 when {
-                    value.jsonValue != null -> generator.writeObject(value.jsonValue)
+                    value.unionMember0 != null -> generator.writeObject(value.unionMember0)
                     value.missing != null -> generator.writeObject(value.missing)
                     value._json != null -> generator.writeObject(value._json)
                     else -> throw IllegalStateException("Invalid OutputsSchemaDefinition")
                 }
             }
         }
+
+        class UnionMember0
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [UnionMember0]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [UnionMember0]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(unionMember0: UnionMember0) = apply {
+                    additionalProperties = unionMember0.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [UnionMember0].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): UnionMember0 = UnionMember0(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): UnionMember0 = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is UnionMember0 && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "UnionMember0{additionalProperties=$additionalProperties}"
+        }
     }
 
     class PatchExamples

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/datasets/DatasetUpdateResponse.kt

@@ -30,8 +30,8 @@ private constructor(
     private val dataType: JsonField<DataType>,
     private val description: JsonField<String>,
     private val externallyManaged: JsonField<Boolean>,
-    private val inputsSchemaDefinition: JsonValue,
-    private val outputsSchemaDefinition: JsonValue,
+    private val inputsSchemaDefinition: JsonField<InputsSchemaDefinition>,
+    private val outputsSchemaDefinition: JsonField<OutputsSchemaDefinition>,
     private val transformations: JsonField<List<DatasetTransformation>>,
     private val additionalProperties: MutableMap<String, JsonValue>,
 ) {
@@ -53,10 +53,10 @@ private constructor(
         externallyManaged: JsonField<Boolean> = JsonMissing.of(),
         @JsonProperty("inputs_schema_definition")
         @ExcludeMissing
-        inputsSchemaDefinition: JsonValue = JsonMissing.of(),
+        inputsSchemaDefinition: JsonField<InputsSchemaDefinition> = JsonMissing.of(),
         @JsonProperty("outputs_schema_definition")
         @ExcludeMissing
-        outputsSchemaDefinition: JsonValue = JsonMissing.of(),
+        outputsSchemaDefinition: JsonField<OutputsSchemaDefinition> = JsonMissing.of(),
         @JsonProperty("transformations")
         @ExcludeMissing
         transformations: JsonField<List<DatasetTransformation>> = JsonMissing.of(),
@@ -118,13 +118,19 @@ private constructor(
      */
     fun externallyManaged(): Optional<Boolean> = externallyManaged.getOptional("externally_managed")
 
-    @JsonProperty("inputs_schema_definition")
-    @ExcludeMissing
-    fun _inputsSchemaDefinition(): JsonValue = inputsSchemaDefinition
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun inputsSchemaDefinition(): Optional<InputsSchemaDefinition> =
+        inputsSchemaDefinition.getOptional("inputs_schema_definition")
 
-    @JsonProperty("outputs_schema_definition")
-    @ExcludeMissing
-    fun _outputsSchemaDefinition(): JsonValue = outputsSchemaDefinition
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun outputsSchemaDefinition(): Optional<OutputsSchemaDefinition> =
+        outputsSchemaDefinition.getOptional("outputs_schema_definition")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -187,6 +193,26 @@ private constructor(
     @ExcludeMissing
     fun _externallyManaged(): JsonField<Boolean> = externallyManaged
 
+    /**
+     * Returns the raw JSON value of [inputsSchemaDefinition].
+     *
+     * Unlike [inputsSchemaDefinition], this method doesn't throw if the JSON field has an
+     * unexpected type.
+     */
+    @JsonProperty("inputs_schema_definition")
+    @ExcludeMissing
+    fun _inputsSchemaDefinition(): JsonField<InputsSchemaDefinition> = inputsSchemaDefinition
+
+    /**
+     * Returns the raw JSON value of [outputsSchemaDefinition].
+     *
+     * Unlike [outputsSchemaDefinition], this method doesn't throw if the JSON field has an
+     * unexpected type.
+     */
+    @JsonProperty("outputs_schema_definition")
+    @ExcludeMissing
+    fun _outputsSchemaDefinition(): JsonField<OutputsSchemaDefinition> = outputsSchemaDefinition
+
     /**
      * Returns the raw JSON value of [transformations].
      *
@@ -233,8 +259,8 @@ private constructor(
         private var dataType: JsonField<DataType> = JsonMissing.of()
         private var description: JsonField<String> = JsonMissing.of()
         private var externallyManaged: JsonField<Boolean> = JsonMissing.of()
-        private var inputsSchemaDefinition: JsonValue = JsonMissing.of()
-        private var outputsSchemaDefinition: JsonValue = JsonMissing.of()
+        private var inputsSchemaDefinition: JsonField<InputsSchemaDefinition> = JsonMissing.of()
+        private var outputsSchemaDefinition: JsonField<OutputsSchemaDefinition> = JsonMissing.of()
         private var transformations: JsonField<MutableList<DatasetTransformation>>? = null
         private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
@@ -349,13 +375,49 @@ private constructor(
             this.externallyManaged = externallyManaged
         }
 
-        fun inputsSchemaDefinition(inputsSchemaDefinition: JsonValue) = apply {
-            this.inputsSchemaDefinition = inputsSchemaDefinition
-        }
+        fun inputsSchemaDefinition(inputsSchemaDefinition: InputsSchemaDefinition?) =
+            inputsSchemaDefinition(JsonField.ofNullable(inputsSchemaDefinition))
 
-        fun outputsSchemaDefinition(outputsSchemaDefinition: JsonValue) = apply {
-            this.outputsSchemaDefinition = outputsSchemaDefinition
-        }
+        /**
+         * Alias for calling [Builder.inputsSchemaDefinition] with
+         * `inputsSchemaDefinition.orElse(null)`.
+         */
+        fun inputsSchemaDefinition(inputsSchemaDefinition: Optional<InputsSchemaDefinition>) =
+            inputsSchemaDefinition(inputsSchemaDefinition.getOrNull())
+
+        /**
+         * Sets [Builder.inputsSchemaDefinition] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.inputsSchemaDefinition] with a well-typed
+         * [InputsSchemaDefinition] value instead. This method is primarily for setting the field to
+         * an undocumented or not yet supported value.
+         */
+        fun inputsSchemaDefinition(inputsSchemaDefinition: JsonField<InputsSchemaDefinition>) =
+            apply {
+                this.inputsSchemaDefinition = inputsSchemaDefinition
+            }
+
+        fun outputsSchemaDefinition(outputsSchemaDefinition: OutputsSchemaDefinition?) =
+            outputsSchemaDefinition(JsonField.ofNullable(outputsSchemaDefinition))
+
+        /**
+         * Alias for calling [Builder.outputsSchemaDefinition] with
+         * `outputsSchemaDefinition.orElse(null)`.
+         */
+        fun outputsSchemaDefinition(outputsSchemaDefinition: Optional<OutputsSchemaDefinition>) =
+            outputsSchemaDefinition(outputsSchemaDefinition.getOrNull())
+
+        /**
+         * Sets [Builder.outputsSchemaDefinition] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.outputsSchemaDefinition] with a well-typed
+         * [OutputsSchemaDefinition] value instead. This method is primarily for setting the field
+         * to an undocumented or not yet supported value.
+         */
+        fun outputsSchemaDefinition(outputsSchemaDefinition: JsonField<OutputsSchemaDefinition>) =
+            apply {
+                this.outputsSchemaDefinition = outputsSchemaDefinition
+            }
 
         fun transformations(transformations: List<DatasetTransformation>?) =
             transformations(JsonField.ofNullable(transformations))
@@ -450,6 +512,8 @@ private constructor(
         dataType().ifPresent { it.validate() }
         description()
         externallyManaged()
+        inputsSchemaDefinition().ifPresent { it.validate() }
+        outputsSchemaDefinition().ifPresent { it.validate() }
         transformations().ifPresent { it.forEach { it.validate() } }
         validated = true
     }
@@ -476,8 +540,218 @@ private constructor(
             (dataType.asKnown().getOrNull()?.validity() ?: 0) +
             (if (description.asKnown().isPresent) 1 else 0) +
             (if (externallyManaged.asKnown().isPresent) 1 else 0) +
+            (inputsSchemaDefinition.asKnown().getOrNull()?.validity() ?: 0) +
+            (outputsSchemaDefinition.asKnown().getOrNull()?.validity() ?: 0) +
             (transformations.asKnown().getOrNull()?.sumOf { it.validity().toInt() } ?: 0)
 
+    class InputsSchemaDefinition
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /**
+             * Returns a mutable builder for constructing an instance of [InputsSchemaDefinition].
+             */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [InputsSchemaDefinition]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(inputsSchemaDefinition: InputsSchemaDefinition) = apply {
+                additionalProperties = inputsSchemaDefinition.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [InputsSchemaDefinition].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): InputsSchemaDefinition =
+                InputsSchemaDefinition(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): InputsSchemaDefinition = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is InputsSchemaDefinition &&
+                additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() =
+            "InputsSchemaDefinition{additionalProperties=$additionalProperties}"
+    }
+
+    class OutputsSchemaDefinition
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /**
+             * Returns a mutable builder for constructing an instance of [OutputsSchemaDefinition].
+             */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [OutputsSchemaDefinition]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(outputsSchemaDefinition: OutputsSchemaDefinition) = apply {
+                additionalProperties = outputsSchemaDefinition.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [OutputsSchemaDefinition].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): OutputsSchemaDefinition =
+                OutputsSchemaDefinition(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): OutputsSchemaDefinition = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is OutputsSchemaDefinition &&
+                additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() =
+            "OutputsSchemaDefinition{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/datasets/FeedbackCreateCoreSchema.kt

@@ -46,7 +46,7 @@ private constructor(
     private val comparativeExperimentId: JsonField<String>,
     private val correction: JsonField<Correction>,
     private val createdAt: JsonField<OffsetDateTime>,
-    private val extra: JsonValue,
+    private val extra: JsonField<Extra>,
     private val feedbackConfig: JsonField<FeedbackConfig>,
     private val feedbackGroupId: JsonField<String>,
     private val feedbackSource: JsonField<FeedbackSource>,
@@ -70,7 +70,7 @@ private constructor(
         @JsonProperty("created_at")
         @ExcludeMissing
         createdAt: JsonField<OffsetDateTime> = JsonMissing.of(),
-        @JsonProperty("extra") @ExcludeMissing extra: JsonValue = JsonMissing.of(),
+        @JsonProperty("extra") @ExcludeMissing extra: JsonField<Extra> = JsonMissing.of(),
         @JsonProperty("feedback_config")
         @ExcludeMissing
         feedbackConfig: JsonField<FeedbackConfig> = JsonMissing.of(),
@@ -139,7 +139,11 @@ private constructor(
      */
     fun createdAt(): Optional<OffsetDateTime> = createdAt.getOptional("created_at")
 
-    @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonValue = extra
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun extra(): Optional<Extra> = extra.getOptional("extra")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -228,6 +232,13 @@ private constructor(
     @ExcludeMissing
     fun _createdAt(): JsonField<OffsetDateTime> = createdAt
 
+    /**
+     * Returns the raw JSON value of [extra].
+     *
+     * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonField<Extra> = extra
+
     /**
      * Returns the raw JSON value of [feedbackConfig].
      *
@@ -312,7 +323,7 @@ private constructor(
         private var comparativeExperimentId: JsonField<String> = JsonMissing.of()
         private var correction: JsonField<Correction> = JsonMissing.of()
         private var createdAt: JsonField<OffsetDateTime> = JsonMissing.of()
-        private var extra: JsonValue = JsonMissing.of()
+        private var extra: JsonField<Extra> = JsonMissing.of()
         private var feedbackConfig: JsonField<FeedbackConfig> = JsonMissing.of()
         private var feedbackGroupId: JsonField<String> = JsonMissing.of()
         private var feedbackSource: JsonField<FeedbackSource> = JsonMissing.of()
@@ -407,8 +418,9 @@ private constructor(
          */
         fun correction(correction: JsonField<Correction>) = apply { this.correction = correction }
 
-        /** Alias for calling [correction] with `Correction.ofJsonValue(jsonValue)`. */
-        fun correction(jsonValue: JsonValue) = correction(Correction.ofJsonValue(jsonValue))
+        /** Alias for calling [correction] with `Correction.ofUnionMember0(unionMember0)`. */
+        fun correction(unionMember0: Correction.UnionMember0) =
+            correction(Correction.ofUnionMember0(unionMember0))
 
         /** Alias for calling [correction] with `Correction.ofString(string)`. */
         fun correction(string: String) = correction(Correction.ofString(string))
@@ -424,7 +436,18 @@ private constructor(
          */
         fun createdAt(createdAt: JsonField<OffsetDateTime>) = apply { this.createdAt = createdAt }
 
-        fun extra(extra: JsonValue) = apply { this.extra = extra }
+        fun extra(extra: Extra?) = extra(JsonField.ofNullable(extra))
+
+        /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+        fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
+
+        /**
+         * Sets [Builder.extra] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.extra] with a well-typed [Extra] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun extra(extra: JsonField<Extra>) = apply { this.extra = extra }
 
         fun feedbackConfig(feedbackConfig: FeedbackConfig?) =
             feedbackConfig(JsonField.ofNullable(feedbackConfig))
@@ -549,8 +572,8 @@ private constructor(
         /** Alias for calling [value] with `Value.ofString(string)`. */
         fun value(string: String) = value(Value.ofString(string))
 
-        /** Alias for calling [value] with `Value.ofJson(json)`. */
-        fun value(json: JsonValue) = value(Value.ofJson(json))
+        /** Alias for calling [value] with `Value.ofUnionMember3(unionMember3)`. */
+        fun value(unionMember3: Value.UnionMember3) = value(Value.ofUnionMember3(unionMember3))
 
         fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
             this.additionalProperties.clear()
@@ -615,6 +638,7 @@ private constructor(
         comparativeExperimentId()
         correction().ifPresent { it.validate() }
         createdAt()
+        extra().ifPresent { it.validate() }
         feedbackConfig().ifPresent { it.validate() }
         feedbackGroupId()
         feedbackSource().ifPresent { it.validate() }
@@ -645,6 +669,7 @@ private constructor(
             (if (comparativeExperimentId.asKnown().isPresent) 1 else 0) +
             (correction.asKnown().getOrNull()?.validity() ?: 0) +
             (if (createdAt.asKnown().isPresent) 1 else 0) +
+            (extra.asKnown().getOrNull()?.validity() ?: 0) +
             (feedbackConfig.asKnown().getOrNull()?.validity() ?: 0) +
             (if (feedbackGroupId.asKnown().isPresent) 1 else 0) +
             (feedbackSource.asKnown().getOrNull()?.validity() ?: 0) +
@@ -656,20 +681,20 @@ private constructor(
     @JsonSerialize(using = Correction.Serializer::class)
     class Correction
     private constructor(
-        private val jsonValue: JsonValue? = null,
+        private val unionMember0: UnionMember0? = null,
         private val string: String? = null,
         private val _json: JsonValue? = null,
     ) {
 
-        fun jsonValue(): Optional<JsonValue> = Optional.ofNullable(jsonValue)
+        fun unionMember0(): Optional<UnionMember0> = Optional.ofNullable(unionMember0)
 
         fun string(): Optional<String> = Optional.ofNullable(string)
 
-        fun isJsonValue(): Boolean = jsonValue != null
+        fun isUnionMember0(): Boolean = unionMember0 != null
 
         fun isString(): Boolean = string != null
 
-        fun asJsonValue(): JsonValue = jsonValue.getOrThrow("jsonValue")
+        fun asUnionMember0(): UnionMember0 = unionMember0.getOrThrow("unionMember0")
 
         fun asString(): String = string.getOrThrow("string")
 
@@ -677,7 +702,7 @@ private constructor(
 
         fun <T> accept(visitor: Visitor<T>): T =
             when {
-                jsonValue != null -> visitor.visitJsonValue(jsonValue)
+                unionMember0 != null -> visitor.visitUnionMember0(unionMember0)
                 string != null -> visitor.visitString(string)
                 else -> visitor.unknown(_json)
             }
@@ -691,7 +716,9 @@ private constructor(
 
             accept(
                 object : Visitor<Unit> {
-                    override fun visitJsonValue(jsonValue: JsonValue) {}
+                    override fun visitUnionMember0(unionMember0: UnionMember0) {
+                        unionMember0.validate()
+                    }
 
                     override fun visitString(string: String) {}
                 }
@@ -717,7 +744,8 @@ private constructor(
         internal fun validity(): Int =
             accept(
                 object : Visitor<Int> {
-                    override fun visitJsonValue(jsonValue: JsonValue) = 1
+                    override fun visitUnionMember0(unionMember0: UnionMember0) =
+                        unionMember0.validity()
 
                     override fun visitString(string: String) = 1
 
@@ -730,14 +758,16 @@ private constructor(
                 return true
             }
 
-            return other is Correction && jsonValue == other.jsonValue && string == other.string
+            return other is Correction &&
+                unionMember0 == other.unionMember0 &&
+                string == other.string
         }
 
-        override fun hashCode(): Int = Objects.hash(jsonValue, string)
+        override fun hashCode(): Int = Objects.hash(unionMember0, string)
 
         override fun toString(): String =
             when {
-                jsonValue != null -> "Correction{jsonValue=$jsonValue}"
+                unionMember0 != null -> "Correction{unionMember0=$unionMember0}"
                 string != null -> "Correction{string=$string}"
                 _json != null -> "Correction{_unknown=$_json}"
                 else -> throw IllegalStateException("Invalid Correction")
@@ -745,7 +775,8 @@ private constructor(
 
         companion object {
 
-            @JvmStatic fun ofJsonValue(jsonValue: JsonValue) = Correction(jsonValue = jsonValue)
+            @JvmStatic
+            fun ofUnionMember0(unionMember0: UnionMember0) = Correction(unionMember0 = unionMember0)
 
             @JvmStatic fun ofString(string: String) = Correction(string = string)
         }
@@ -755,7 +786,7 @@ private constructor(
          */
         interface Visitor<out T> {
 
-            fun visitJsonValue(jsonValue: JsonValue): T
+            fun visitUnionMember0(unionMember0: UnionMember0): T
 
             fun visitString(string: String): T
 
@@ -781,19 +812,19 @@ private constructor(
 
                 val bestMatches =
                     sequenceOf(
+                            tryDeserialize(node, jacksonTypeRef<UnionMember0>())?.let {
+                                Correction(unionMember0 = it, _json = json)
+                            },
                             tryDeserialize(node, jacksonTypeRef<String>())?.let {
                                 Correction(string = it, _json = json)
                             },
-                            tryDeserialize(node, jacksonTypeRef<JsonValue>())?.let {
-                                Correction(jsonValue = it, _json = json)
-                            },
                         )
                         .filterNotNull()
                         .allMaxBy { it.validity() }
                         .toList()
                 return when (bestMatches.size) {
                     // This can happen if what we're deserializing is completely incompatible with
-                    // all the possible variants.
+                    // all the possible variants (e.g. deserializing from array).
                     0 -> Correction(_json = json)
                     1 -> bestMatches.single()
                     // If there's more than one match with the highest validity, then use the first
@@ -812,13 +843,214 @@ private constructor(
                 provider: SerializerProvider,
             ) {
                 when {
-                    value.jsonValue != null -> generator.writeObject(value.jsonValue)
+                    value.unionMember0 != null -> generator.writeObject(value.unionMember0)
                     value.string != null -> generator.writeObject(value.string)
                     value._json != null -> generator.writeObject(value._json)
                     else -> throw IllegalStateException("Invalid Correction")
                 }
             }
         }
+
+        class UnionMember0
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [UnionMember0]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [UnionMember0]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(unionMember0: UnionMember0) = apply {
+                    additionalProperties = unionMember0.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [UnionMember0].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): UnionMember0 = UnionMember0(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): UnionMember0 = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is UnionMember0 && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "UnionMember0{additionalProperties=$additionalProperties}"
+        }
+    }
+
+    class Extra
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Extra]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Extra]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(extra: Extra) = apply {
+                additionalProperties = extra.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Extra].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Extra = Extra(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Extra = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Extra && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Extra{additionalProperties=$additionalProperties}"
     }
 
     class FeedbackConfig
@@ -1869,7 +2101,7 @@ private constructor(
         private val number: Double? = null,
         private val bool: Boolean? = null,
         private val string: String? = null,
-        private val json: JsonValue? = null,
+        private val unionMember3: UnionMember3? = null,
         private val _json: JsonValue? = null,
     ) {
 
@@ -1879,7 +2111,7 @@ private constructor(
 
         fun string(): Optional<String> = Optional.ofNullable(string)
 
-        fun json(): Optional<JsonValue> = Optional.ofNullable(json)
+        fun unionMember3(): Optional<UnionMember3> = Optional.ofNullable(unionMember3)
 
         fun isNumber(): Boolean = number != null
 
@@ -1887,7 +2119,7 @@ private constructor(
 
         fun isString(): Boolean = string != null
 
-        fun isJson(): Boolean = json != null
+        fun isUnionMember3(): Boolean = unionMember3 != null
 
         fun asNumber(): Double = number.getOrThrow("number")
 
@@ -1895,7 +2127,7 @@ private constructor(
 
         fun asString(): String = string.getOrThrow("string")
 
-        fun asJson(): JsonValue = json.getOrThrow("json")
+        fun asUnionMember3(): UnionMember3 = unionMember3.getOrThrow("unionMember3")
 
         fun _json(): Optional<JsonValue> = Optional.ofNullable(_json)
 
@@ -1904,7 +2136,7 @@ private constructor(
                 number != null -> visitor.visitNumber(number)
                 bool != null -> visitor.visitBool(bool)
                 string != null -> visitor.visitString(string)
-                json != null -> visitor.visitJson(json)
+                unionMember3 != null -> visitor.visitUnionMember3(unionMember3)
                 else -> visitor.unknown(_json)
             }
 
@@ -1923,7 +2155,9 @@ private constructor(
 
                     override fun visitString(string: String) {}
 
-                    override fun visitJson(json: JsonValue) {}
+                    override fun visitUnionMember3(unionMember3: UnionMember3) {
+                        unionMember3.validate()
+                    }
                 }
             )
             validated = true
@@ -1953,7 +2187,8 @@ private constructor(
 
                     override fun visitString(string: String) = 1
 
-                    override fun visitJson(json: JsonValue) = 1
+                    override fun visitUnionMember3(unionMember3: UnionMember3) =
+                        unionMember3.validity()
 
                     override fun unknown(json: JsonValue?) = 0
                 }
@@ -1968,17 +2203,17 @@ private constructor(
                 number == other.number &&
                 bool == other.bool &&
                 string == other.string &&
-                json == other.json
+                unionMember3 == other.unionMember3
         }
 
-        override fun hashCode(): Int = Objects.hash(number, bool, string, json)
+        override fun hashCode(): Int = Objects.hash(number, bool, string, unionMember3)
 
         override fun toString(): String =
             when {
                 number != null -> "Value{number=$number}"
                 bool != null -> "Value{bool=$bool}"
                 string != null -> "Value{string=$string}"
-                json != null -> "Value{json=$json}"
+                unionMember3 != null -> "Value{unionMember3=$unionMember3}"
                 _json != null -> "Value{_unknown=$_json}"
                 else -> throw IllegalStateException("Invalid Value")
             }
@@ -1991,7 +2226,8 @@ private constructor(
 
             @JvmStatic fun ofString(string: String) = Value(string = string)
 
-            @JvmStatic fun ofJson(json: JsonValue) = Value(json = json)
+            @JvmStatic
+            fun ofUnionMember3(unionMember3: UnionMember3) = Value(unionMember3 = unionMember3)
         }
 
         /** An interface that defines how to map each variant of [Value] to a value of type [T]. */
@@ -2003,7 +2239,7 @@ private constructor(
 
             fun visitString(string: String): T
 
-            fun visitJson(json: JsonValue): T
+            fun visitUnionMember3(unionMember3: UnionMember3): T
 
             /**
              * Maps an unknown variant of [Value] to a value of type [T].
@@ -2027,6 +2263,9 @@ private constructor(
 
                 val bestMatches =
                     sequenceOf(
+                            tryDeserialize(node, jacksonTypeRef<UnionMember3>())?.let {
+                                Value(unionMember3 = it, _json = json)
+                            },
                             tryDeserialize(node, jacksonTypeRef<Double>())?.let {
                                 Value(number = it, _json = json)
                             },
@@ -2036,16 +2275,13 @@ private constructor(
                             tryDeserialize(node, jacksonTypeRef<String>())?.let {
                                 Value(string = it, _json = json)
                             },
-                            tryDeserialize(node, jacksonTypeRef<JsonValue>())?.let {
-                                Value(json = it, _json = json)
-                            },
                         )
                         .filterNotNull()
                         .allMaxBy { it.validity() }
                         .toList()
                 return when (bestMatches.size) {
                     // This can happen if what we're deserializing is completely incompatible with
-                    // all the possible variants.
+                    // all the possible variants (e.g. deserializing from array).
                     0 -> Value(_json = json)
                     1 -> bestMatches.single()
                     // If there's more than one match with the highest validity, then use the first
@@ -2067,12 +2303,114 @@ private constructor(
                     value.number != null -> generator.writeObject(value.number)
                     value.bool != null -> generator.writeObject(value.bool)
                     value.string != null -> generator.writeObject(value.string)
-                    value.json != null -> generator.writeObject(value.json)
+                    value.unionMember3 != null -> generator.writeObject(value.unionMember3)
                     value._json != null -> generator.writeObject(value._json)
                     else -> throw IllegalStateException("Invalid Value")
                 }
             }
         }
+
+        class UnionMember3
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [UnionMember3]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [UnionMember3]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(unionMember3: UnionMember3) = apply {
+                    additionalProperties = unionMember3.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [UnionMember3].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): UnionMember3 = UnionMember3(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): UnionMember3 = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is UnionMember3 && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "UnionMember3{additionalProperties=$additionalProperties}"
+        }
     }
 
     override fun equals(other: Any?): Boolean {

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/datasets/comparative/ComparativeCreateParams.kt

@@ -55,7 +55,11 @@ private constructor(
      */
     fun description(): Optional<String> = body.description()
 
-    fun _extra(): JsonValue = body._extra()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun extra(): Optional<Extra> = body.extra()
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -103,6 +107,13 @@ private constructor(
      */
     fun _description(): JsonField<String> = body._description()
 
+    /**
+     * Returns the raw JSON value of [extra].
+     *
+     * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    fun _extra(): JsonField<Extra> = body._extra()
+
     /**
      * Returns the raw JSON value of [modifiedAt].
      *
@@ -231,7 +242,18 @@ private constructor(
          */
         fun description(description: JsonField<String>) = apply { body.description(description) }
 
-        fun extra(extra: JsonValue) = apply { body.extra(extra) }
+        fun extra(extra: Extra?) = apply { body.extra(extra) }
+
+        /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+        fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
+
+        /**
+         * Sets [Builder.extra] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.extra] with a well-typed [Extra] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun extra(extra: JsonField<Extra>) = apply { body.extra(extra) }
 
         fun modifiedAt(modifiedAt: OffsetDateTime) = apply { body.modifiedAt(modifiedAt) }
 
@@ -431,7 +453,7 @@ private constructor(
         private val id: JsonField<String>,
         private val createdAt: JsonField<OffsetDateTime>,
         private val description: JsonField<String>,
-        private val extra: JsonValue,
+        private val extra: JsonField<Extra>,
         private val modifiedAt: JsonField<OffsetDateTime>,
         private val name: JsonField<String>,
         private val referenceDatasetId: JsonField<String>,
@@ -450,7 +472,7 @@ private constructor(
             @JsonProperty("description")
             @ExcludeMissing
             description: JsonField<String> = JsonMissing.of(),
-            @JsonProperty("extra") @ExcludeMissing extra: JsonValue = JsonMissing.of(),
+            @JsonProperty("extra") @ExcludeMissing extra: JsonField<Extra> = JsonMissing.of(),
             @JsonProperty("modified_at")
             @ExcludeMissing
             modifiedAt: JsonField<OffsetDateTime> = JsonMissing.of(),
@@ -494,7 +516,11 @@ private constructor(
          */
         fun description(): Optional<String> = description.getOptional("description")
 
-        @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonValue = extra
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun extra(): Optional<Extra> = extra.getOptional("extra")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -550,6 +576,13 @@ private constructor(
         @ExcludeMissing
         fun _description(): JsonField<String> = description
 
+        /**
+         * Returns the raw JSON value of [extra].
+         *
+         * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonField<Extra> = extra
+
         /**
          * Returns the raw JSON value of [modifiedAt].
          *
@@ -608,7 +641,7 @@ private constructor(
             private var id: JsonField<String> = JsonMissing.of()
             private var createdAt: JsonField<OffsetDateTime> = JsonMissing.of()
             private var description: JsonField<String> = JsonMissing.of()
-            private var extra: JsonValue = JsonMissing.of()
+            private var extra: JsonField<Extra> = JsonMissing.of()
             private var modifiedAt: JsonField<OffsetDateTime> = JsonMissing.of()
             private var name: JsonField<String> = JsonMissing.of()
             private var referenceDatasetId: JsonField<String> = JsonMissing.of()
@@ -693,7 +726,19 @@ private constructor(
                 this.description = description
             }
 
-            fun extra(extra: JsonValue) = apply { this.extra = extra }
+            fun extra(extra: Extra?) = extra(JsonField.ofNullable(extra))
+
+            /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+            fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
+
+            /**
+             * Sets [Builder.extra] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.extra] with a well-typed [Extra] value instead. This
+             * method is primarily for setting the field to an undocumented or not yet supported
+             * value.
+             */
+            fun extra(extra: JsonField<Extra>) = apply { this.extra = extra }
 
             fun modifiedAt(modifiedAt: OffsetDateTime) = modifiedAt(JsonField.of(modifiedAt))
 
@@ -799,6 +844,7 @@ private constructor(
             id()
             createdAt()
             description()
+            extra().ifPresent { it.validate() }
             modifiedAt()
             name()
             referenceDatasetId()
@@ -825,6 +871,7 @@ private constructor(
                 (if (id.asKnown().isPresent) 1 else 0) +
                 (if (createdAt.asKnown().isPresent) 1 else 0) +
                 (if (description.asKnown().isPresent) 1 else 0) +
+                (extra.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (modifiedAt.asKnown().isPresent) 1 else 0) +
                 (if (name.asKnown().isPresent) 1 else 0) +
                 (if (referenceDatasetId.asKnown().isPresent) 1 else 0)
@@ -866,6 +913,105 @@ private constructor(
             "Body{experimentIds=$experimentIds, id=$id, createdAt=$createdAt, description=$description, extra=$extra, modifiedAt=$modifiedAt, name=$name, referenceDatasetId=$referenceDatasetId, additionalProperties=$additionalProperties}"
     }
 
+    class Extra
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Extra]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Extra]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(extra: Extra) = apply {
+                additionalProperties = extra.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Extra].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Extra = Extra(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Extra = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Extra && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Extra{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/datasets/comparative/ComparativeCreateResponse.kt

@@ -11,6 +11,7 @@ import com.langchain.smith.core.JsonField
 import com.langchain.smith.core.JsonMissing
 import com.langchain.smith.core.JsonValue
 import com.langchain.smith.core.checkRequired
+import com.langchain.smith.core.toImmutable
 import com.langchain.smith.errors.LangChainInvalidDataException
 import java.time.OffsetDateTime
 import java.util.Collections
@@ -28,7 +29,7 @@ private constructor(
     private val referenceDatasetId: JsonField<String>,
     private val tenantId: JsonField<String>,
     private val description: JsonField<String>,
-    private val extra: JsonValue,
+    private val extra: JsonField<Extra>,
     private val name: JsonField<String>,
     private val additionalProperties: MutableMap<String, JsonValue>,
 ) {
@@ -49,7 +50,7 @@ private constructor(
         @JsonProperty("description")
         @ExcludeMissing
         description: JsonField<String> = JsonMissing.of(),
-        @JsonProperty("extra") @ExcludeMissing extra: JsonValue = JsonMissing.of(),
+        @JsonProperty("extra") @ExcludeMissing extra: JsonField<Extra> = JsonMissing.of(),
         @JsonProperty("name") @ExcludeMissing name: JsonField<String> = JsonMissing.of(),
     ) : this(
         id,
@@ -99,7 +100,11 @@ private constructor(
      */
     fun description(): Optional<String> = description.getOptional("description")
 
-    @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonValue = extra
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun extra(): Optional<Extra> = extra.getOptional("extra")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -156,6 +161,13 @@ private constructor(
      */
     @JsonProperty("description") @ExcludeMissing fun _description(): JsonField<String> = description
 
+    /**
+     * Returns the raw JSON value of [extra].
+     *
+     * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonField<Extra> = extra
+
     /**
      * Returns the raw JSON value of [name].
      *
@@ -201,7 +213,7 @@ private constructor(
         private var referenceDatasetId: JsonField<String>? = null
         private var tenantId: JsonField<String>? = null
         private var description: JsonField<String> = JsonMissing.of()
-        private var extra: JsonValue = JsonMissing.of()
+        private var extra: JsonField<Extra> = JsonMissing.of()
         private var name: JsonField<String> = JsonMissing.of()
         private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
@@ -290,7 +302,18 @@ private constructor(
          */
         fun description(description: JsonField<String>) = apply { this.description = description }
 
-        fun extra(extra: JsonValue) = apply { this.extra = extra }
+        fun extra(extra: Extra?) = extra(JsonField.ofNullable(extra))
+
+        /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+        fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
+
+        /**
+         * Sets [Builder.extra] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.extra] with a well-typed [Extra] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun extra(extra: JsonField<Extra>) = apply { this.extra = extra }
 
         fun name(name: String?) = name(JsonField.ofNullable(name))
 
@@ -367,6 +390,7 @@ private constructor(
         referenceDatasetId()
         tenantId()
         description()
+        extra().ifPresent { it.validate() }
         name()
         validated = true
     }
@@ -392,8 +416,108 @@ private constructor(
             (if (referenceDatasetId.asKnown().isPresent) 1 else 0) +
             (if (tenantId.asKnown().isPresent) 1 else 0) +
             (if (description.asKnown().isPresent) 1 else 0) +
+            (extra.asKnown().getOrNull()?.validity() ?: 0) +
             (if (name.asKnown().isPresent) 1 else 0)
 
+    class Extra
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Extra]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Extra]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(extra: Extra) = apply {
+                additionalProperties = extra.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Extra].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Extra = Extra(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Extra = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Extra && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Extra{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/datasets/comparative/ComparativeListResponse.kt

@@ -31,8 +31,8 @@ private constructor(
     private val referenceDatasetId: JsonField<String>,
     private val tenantId: JsonField<String>,
     private val description: JsonField<String>,
-    private val extra: JsonValue,
-    private val feedbackStats: JsonValue,
+    private val extra: JsonField<Extra>,
+    private val feedbackStats: JsonField<FeedbackStats>,
     private val name: JsonField<String>,
     private val additionalProperties: MutableMap<String, JsonValue>,
 ) {
@@ -56,8 +56,10 @@ private constructor(
         @JsonProperty("description")
         @ExcludeMissing
         description: JsonField<String> = JsonMissing.of(),
-        @JsonProperty("extra") @ExcludeMissing extra: JsonValue = JsonMissing.of(),
-        @JsonProperty("feedback_stats") @ExcludeMissing feedbackStats: JsonValue = JsonMissing.of(),
+        @JsonProperty("extra") @ExcludeMissing extra: JsonField<Extra> = JsonMissing.of(),
+        @JsonProperty("feedback_stats")
+        @ExcludeMissing
+        feedbackStats: JsonField<FeedbackStats> = JsonMissing.of(),
         @JsonProperty("name") @ExcludeMissing name: JsonField<String> = JsonMissing.of(),
     ) : this(
         id,
@@ -116,9 +118,17 @@ private constructor(
      */
     fun description(): Optional<String> = description.getOptional("description")
 
-    @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonValue = extra
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun extra(): Optional<Extra> = extra.getOptional("extra")
 
-    @JsonProperty("feedback_stats") @ExcludeMissing fun _feedbackStats(): JsonValue = feedbackStats
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun feedbackStats(): Optional<FeedbackStats> = feedbackStats.getOptional("feedback_stats")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -184,6 +194,22 @@ private constructor(
      */
     @JsonProperty("description") @ExcludeMissing fun _description(): JsonField<String> = description
 
+    /**
+     * Returns the raw JSON value of [extra].
+     *
+     * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonField<Extra> = extra
+
+    /**
+     * Returns the raw JSON value of [feedbackStats].
+     *
+     * Unlike [feedbackStats], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("feedback_stats")
+    @ExcludeMissing
+    fun _feedbackStats(): JsonField<FeedbackStats> = feedbackStats
+
     /**
      * Returns the raw JSON value of [name].
      *
@@ -231,8 +257,8 @@ private constructor(
         private var referenceDatasetId: JsonField<String>? = null
         private var tenantId: JsonField<String>? = null
         private var description: JsonField<String> = JsonMissing.of()
-        private var extra: JsonValue = JsonMissing.of()
-        private var feedbackStats: JsonValue = JsonMissing.of()
+        private var extra: JsonField<Extra> = JsonMissing.of()
+        private var feedbackStats: JsonField<FeedbackStats> = JsonMissing.of()
         private var name: JsonField<String> = JsonMissing.of()
         private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
@@ -349,9 +375,36 @@ private constructor(
          */
         fun description(description: JsonField<String>) = apply { this.description = description }
 
-        fun extra(extra: JsonValue) = apply { this.extra = extra }
+        fun extra(extra: Extra?) = extra(JsonField.ofNullable(extra))
 
-        fun feedbackStats(feedbackStats: JsonValue) = apply { this.feedbackStats = feedbackStats }
+        /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+        fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
+
+        /**
+         * Sets [Builder.extra] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.extra] with a well-typed [Extra] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun extra(extra: JsonField<Extra>) = apply { this.extra = extra }
+
+        fun feedbackStats(feedbackStats: FeedbackStats?) =
+            feedbackStats(JsonField.ofNullable(feedbackStats))
+
+        /** Alias for calling [Builder.feedbackStats] with `feedbackStats.orElse(null)`. */
+        fun feedbackStats(feedbackStats: Optional<FeedbackStats>) =
+            feedbackStats(feedbackStats.getOrNull())
+
+        /**
+         * Sets [Builder.feedbackStats] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.feedbackStats] with a well-typed [FeedbackStats] value
+         * instead. This method is primarily for setting the field to an undocumented or not yet
+         * supported value.
+         */
+        fun feedbackStats(feedbackStats: JsonField<FeedbackStats>) = apply {
+            this.feedbackStats = feedbackStats
+        }
 
         fun name(name: String?) = name(JsonField.ofNullable(name))
 
@@ -432,6 +485,8 @@ private constructor(
         referenceDatasetId()
         tenantId()
         description()
+        extra().ifPresent { it.validate() }
+        feedbackStats().ifPresent { it.validate() }
         name()
         validated = true
     }
@@ -458,8 +513,208 @@ private constructor(
             (if (referenceDatasetId.asKnown().isPresent) 1 else 0) +
             (if (tenantId.asKnown().isPresent) 1 else 0) +
             (if (description.asKnown().isPresent) 1 else 0) +
+            (extra.asKnown().getOrNull()?.validity() ?: 0) +
+            (feedbackStats.asKnown().getOrNull()?.validity() ?: 0) +
             (if (name.asKnown().isPresent) 1 else 0)
 
+    class Extra
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Extra]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Extra]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(extra: Extra) = apply {
+                additionalProperties = extra.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Extra].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Extra = Extra(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Extra = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Extra && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Extra{additionalProperties=$additionalProperties}"
+    }
+
+    class FeedbackStats
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [FeedbackStats]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [FeedbackStats]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(feedbackStats: FeedbackStats) = apply {
+                additionalProperties = feedbackStats.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [FeedbackStats].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): FeedbackStats = FeedbackStats(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): FeedbackStats = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is FeedbackStats && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "FeedbackStats{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/datasets/group/GroupRunsResponse.kt

@@ -236,7 +236,7 @@ private constructor(
         private val completionTokens: JsonField<Long>,
         private val count: JsonField<Long>,
         private val errorRate: JsonField<Double>,
-        private val feedbackStats: JsonValue,
+        private val feedbackStats: JsonField<FeedbackStats>,
         private val latencyP50: JsonField<Double>,
         private val latencyP99: JsonField<Double>,
         private val maxStartTime: JsonField<OffsetDateTime>,
@@ -275,7 +275,7 @@ private constructor(
             errorRate: JsonField<Double> = JsonMissing.of(),
             @JsonProperty("feedback_stats")
             @ExcludeMissing
-            feedbackStats: JsonValue = JsonMissing.of(),
+            feedbackStats: JsonField<FeedbackStats> = JsonMissing.of(),
             @JsonProperty("latency_p50")
             @ExcludeMissing
             latencyP50: JsonField<Double> = JsonMissing.of(),
@@ -376,9 +376,11 @@ private constructor(
          */
         fun errorRate(): Optional<Double> = errorRate.getOptional("error_rate")
 
-        @JsonProperty("feedback_stats")
-        @ExcludeMissing
-        fun _feedbackStats(): JsonValue = feedbackStats
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun feedbackStats(): Optional<FeedbackStats> = feedbackStats.getOptional("feedback_stats")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -504,6 +506,16 @@ private constructor(
          */
         @JsonProperty("error_rate") @ExcludeMissing fun _errorRate(): JsonField<Double> = errorRate
 
+        /**
+         * Returns the raw JSON value of [feedbackStats].
+         *
+         * Unlike [feedbackStats], this method doesn't throw if the JSON field has an unexpected
+         * type.
+         */
+        @JsonProperty("feedback_stats")
+        @ExcludeMissing
+        fun _feedbackStats(): JsonField<FeedbackStats> = feedbackStats
+
         /**
          * Returns the raw JSON value of [latencyP50].
          *
@@ -618,7 +630,7 @@ private constructor(
             private var completionTokens: JsonField<Long> = JsonMissing.of()
             private var count: JsonField<Long> = JsonMissing.of()
             private var errorRate: JsonField<Double> = JsonMissing.of()
-            private var feedbackStats: JsonValue = JsonMissing.of()
+            private var feedbackStats: JsonField<FeedbackStats> = JsonMissing.of()
             private var latencyP50: JsonField<Double> = JsonMissing.of()
             private var latencyP99: JsonField<Double> = JsonMissing.of()
             private var maxStartTime: JsonField<OffsetDateTime> = JsonMissing.of()
@@ -831,7 +843,21 @@ private constructor(
              */
             fun errorRate(errorRate: JsonField<Double>) = apply { this.errorRate = errorRate }
 
-            fun feedbackStats(feedbackStats: JsonValue) = apply {
+            fun feedbackStats(feedbackStats: FeedbackStats?) =
+                feedbackStats(JsonField.ofNullable(feedbackStats))
+
+            /** Alias for calling [Builder.feedbackStats] with `feedbackStats.orElse(null)`. */
+            fun feedbackStats(feedbackStats: Optional<FeedbackStats>) =
+                feedbackStats(feedbackStats.getOrNull())
+
+            /**
+             * Sets [Builder.feedbackStats] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.feedbackStats] with a well-typed [FeedbackStats]
+             * value instead. This method is primarily for setting the field to an undocumented or
+             * not yet supported value.
+             */
+            fun feedbackStats(feedbackStats: JsonField<FeedbackStats>) = apply {
                 this.feedbackStats = feedbackStats
             }
 
@@ -1060,6 +1086,7 @@ private constructor(
             completionTokens()
             count()
             errorRate()
+            feedbackStats().ifPresent { it.validate() }
             latencyP50()
             latencyP99()
             maxStartTime()
@@ -1096,6 +1123,7 @@ private constructor(
                 (if (completionTokens.asKnown().isPresent) 1 else 0) +
                 (if (count.asKnown().isPresent) 1 else 0) +
                 (if (errorRate.asKnown().isPresent) 1 else 0) +
+                (feedbackStats.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (latencyP50.asKnown().isPresent) 1 else 0) +
                 (if (latencyP99.asKnown().isPresent) 1 else 0) +
                 (if (maxStartTime.asKnown().isPresent) 1 else 0) +
@@ -1296,8 +1324,8 @@ private constructor(
             private val endTime: JsonField<OffsetDateTime>,
             private val errorRate: JsonField<Double>,
             private val exampleCount: JsonField<Long>,
-            private val extra: JsonValue,
-            private val feedbackStats: JsonValue,
+            private val extra: JsonField<Extra>,
+            private val feedbackStats: JsonField<FeedbackStats>,
             private val firstTokenP50: JsonField<Double>,
             private val firstTokenP99: JsonField<Double>,
             private val lastRunStartTime: JsonField<OffsetDateTime>,
@@ -1311,8 +1339,8 @@ private constructor(
             private val promptTokens: JsonField<Long>,
             private val referenceDatasetId: JsonField<String>,
             private val runCount: JsonField<Long>,
-            private val runFacets: JsonField<List<JsonValue>>,
-            private val sessionFeedbackStats: JsonValue,
+            private val runFacets: JsonField<List<RunFacet>>,
+            private val sessionFeedbackStats: JsonField<SessionFeedbackStats>,
             private val startTime: JsonField<OffsetDateTime>,
             private val streamingRate: JsonField<Double>,
             private val testRunNumber: JsonField<Long>,
@@ -1352,10 +1380,10 @@ private constructor(
                 @JsonProperty("example_count")
                 @ExcludeMissing
                 exampleCount: JsonField<Long> = JsonMissing.of(),
-                @JsonProperty("extra") @ExcludeMissing extra: JsonValue = JsonMissing.of(),
+                @JsonProperty("extra") @ExcludeMissing extra: JsonField<Extra> = JsonMissing.of(),
                 @JsonProperty("feedback_stats")
                 @ExcludeMissing
-                feedbackStats: JsonValue = JsonMissing.of(),
+                feedbackStats: JsonField<FeedbackStats> = JsonMissing.of(),
                 @JsonProperty("first_token_p50")
                 @ExcludeMissing
                 firstTokenP50: JsonField<Double> = JsonMissing.of(),
@@ -1395,10 +1423,10 @@ private constructor(
                 runCount: JsonField<Long> = JsonMissing.of(),
                 @JsonProperty("run_facets")
                 @ExcludeMissing
-                runFacets: JsonField<List<JsonValue>> = JsonMissing.of(),
+                runFacets: JsonField<List<RunFacet>> = JsonMissing.of(),
                 @JsonProperty("session_feedback_stats")
                 @ExcludeMissing
-                sessionFeedbackStats: JsonValue = JsonMissing.of(),
+                sessionFeedbackStats: JsonField<SessionFeedbackStats> = JsonMissing.of(),
                 @JsonProperty("start_time")
                 @ExcludeMissing
                 startTime: JsonField<OffsetDateTime> = JsonMissing.of(),
@@ -1519,11 +1547,18 @@ private constructor(
              */
             fun exampleCount(): Optional<Long> = exampleCount.getOptional("example_count")
 
-            @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonValue = extra
+            /**
+             * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g.
+             *   if the server responded with an unexpected value).
+             */
+            fun extra(): Optional<Extra> = extra.getOptional("extra")
 
-            @JsonProperty("feedback_stats")
-            @ExcludeMissing
-            fun _feedbackStats(): JsonValue = feedbackStats
+            /**
+             * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g.
+             *   if the server responded with an unexpected value).
+             */
+            fun feedbackStats(): Optional<FeedbackStats> =
+                feedbackStats.getOptional("feedback_stats")
 
             /**
              * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g.
@@ -1612,11 +1647,14 @@ private constructor(
              * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g.
              *   if the server responded with an unexpected value).
              */
-            fun runFacets(): Optional<List<JsonValue>> = runFacets.getOptional("run_facets")
+            fun runFacets(): Optional<List<RunFacet>> = runFacets.getOptional("run_facets")
 
-            @JsonProperty("session_feedback_stats")
-            @ExcludeMissing
-            fun _sessionFeedbackStats(): JsonValue = sessionFeedbackStats
+            /**
+             * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g.
+             *   if the server responded with an unexpected value).
+             */
+            fun sessionFeedbackStats(): Optional<SessionFeedbackStats> =
+                sessionFeedbackStats.getOptional("session_feedback_stats")
 
             /**
              * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g.
@@ -1745,6 +1783,23 @@ private constructor(
             @ExcludeMissing
             fun _exampleCount(): JsonField<Long> = exampleCount
 
+            /**
+             * Returns the raw JSON value of [extra].
+             *
+             * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+             */
+            @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonField<Extra> = extra
+
+            /**
+             * Returns the raw JSON value of [feedbackStats].
+             *
+             * Unlike [feedbackStats], this method doesn't throw if the JSON field has an unexpected
+             * type.
+             */
+            @JsonProperty("feedback_stats")
+            @ExcludeMissing
+            fun _feedbackStats(): JsonField<FeedbackStats> = feedbackStats
+
             /**
              * Returns the raw JSON value of [firstTokenP50].
              *
@@ -1878,7 +1933,17 @@ private constructor(
              */
             @JsonProperty("run_facets")
             @ExcludeMissing
-            fun _runFacets(): JsonField<List<JsonValue>> = runFacets
+            fun _runFacets(): JsonField<List<RunFacet>> = runFacets
+
+            /**
+             * Returns the raw JSON value of [sessionFeedbackStats].
+             *
+             * Unlike [sessionFeedbackStats], this method doesn't throw if the JSON field has an
+             * unexpected type.
+             */
+            @JsonProperty("session_feedback_stats")
+            @ExcludeMissing
+            fun _sessionFeedbackStats(): JsonField<SessionFeedbackStats> = sessionFeedbackStats
 
             /**
              * Returns the raw JSON value of [startTime].
@@ -1980,8 +2045,8 @@ private constructor(
                 private var endTime: JsonField<OffsetDateTime> = JsonMissing.of()
                 private var errorRate: JsonField<Double> = JsonMissing.of()
                 private var exampleCount: JsonField<Long> = JsonMissing.of()
-                private var extra: JsonValue = JsonMissing.of()
-                private var feedbackStats: JsonValue = JsonMissing.of()
+                private var extra: JsonField<Extra> = JsonMissing.of()
+                private var feedbackStats: JsonField<FeedbackStats> = JsonMissing.of()
                 private var firstTokenP50: JsonField<Double> = JsonMissing.of()
                 private var firstTokenP99: JsonField<Double> = JsonMissing.of()
                 private var lastRunStartTime: JsonField<OffsetDateTime> = JsonMissing.of()
@@ -1995,8 +2060,8 @@ private constructor(
                 private var promptTokens: JsonField<Long> = JsonMissing.of()
                 private var referenceDatasetId: JsonField<String> = JsonMissing.of()
                 private var runCount: JsonField<Long> = JsonMissing.of()
-                private var runFacets: JsonField<MutableList<JsonValue>>? = null
-                private var sessionFeedbackStats: JsonValue = JsonMissing.of()
+                private var runFacets: JsonField<MutableList<RunFacet>>? = null
+                private var sessionFeedbackStats: JsonField<SessionFeedbackStats> = JsonMissing.of()
                 private var startTime: JsonField<OffsetDateTime> = JsonMissing.of()
                 private var streamingRate: JsonField<Double> = JsonMissing.of()
                 private var testRunNumber: JsonField<Long> = JsonMissing.of()
@@ -2224,9 +2289,35 @@ private constructor(
                     this.exampleCount = exampleCount
                 }
 
-                fun extra(extra: JsonValue) = apply { this.extra = extra }
+                fun extra(extra: Extra?) = extra(JsonField.ofNullable(extra))
 
-                fun feedbackStats(feedbackStats: JsonValue) = apply {
+                /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+                fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
+
+                /**
+                 * Sets [Builder.extra] to an arbitrary JSON value.
+                 *
+                 * You should usually call [Builder.extra] with a well-typed [Extra] value instead.
+                 * This method is primarily for setting the field to an undocumented or not yet
+                 * supported value.
+                 */
+                fun extra(extra: JsonField<Extra>) = apply { this.extra = extra }
+
+                fun feedbackStats(feedbackStats: FeedbackStats?) =
+                    feedbackStats(JsonField.ofNullable(feedbackStats))
+
+                /** Alias for calling [Builder.feedbackStats] with `feedbackStats.orElse(null)`. */
+                fun feedbackStats(feedbackStats: Optional<FeedbackStats>) =
+                    feedbackStats(feedbackStats.getOrNull())
+
+                /**
+                 * Sets [Builder.feedbackStats] to an arbitrary JSON value.
+                 *
+                 * You should usually call [Builder.feedbackStats] with a well-typed [FeedbackStats]
+                 * value instead. This method is primarily for setting the field to an undocumented
+                 * or not yet supported value.
+                 */
+                fun feedbackStats(feedbackStats: JsonField<FeedbackStats>) = apply {
                     this.feedbackStats = feedbackStats
                 }
 
@@ -2498,39 +2589,57 @@ private constructor(
                  */
                 fun runCount(runCount: JsonField<Long>) = apply { this.runCount = runCount }
 
-                fun runFacets(runFacets: List<JsonValue>?) =
+                fun runFacets(runFacets: List<RunFacet>?) =
                     runFacets(JsonField.ofNullable(runFacets))
 
                 /** Alias for calling [Builder.runFacets] with `runFacets.orElse(null)`. */
-                fun runFacets(runFacets: Optional<List<JsonValue>>) =
+                fun runFacets(runFacets: Optional<List<RunFacet>>) =
                     runFacets(runFacets.getOrNull())
 
                 /**
                  * Sets [Builder.runFacets] to an arbitrary JSON value.
                  *
-                 * You should usually call [Builder.runFacets] with a well-typed `List<JsonValue>`
+                 * You should usually call [Builder.runFacets] with a well-typed `List<RunFacet>`
                  * value instead. This method is primarily for setting the field to an undocumented
                  * or not yet supported value.
                  */
-                fun runFacets(runFacets: JsonField<List<JsonValue>>) = apply {
+                fun runFacets(runFacets: JsonField<List<RunFacet>>) = apply {
                     this.runFacets = runFacets.map { it.toMutableList() }
                 }
 
                 /**
-                 * Adds a single [JsonValue] to [runFacets].
+                 * Adds a single [RunFacet] to [runFacets].
                  *
                  * @throws IllegalStateException if the field was previously set to a non-list.
                  */
-                fun addRunFacet(runFacet: JsonValue) = apply {
+                fun addRunFacet(runFacet: RunFacet) = apply {
                     runFacets =
                         (runFacets ?: JsonField.of(mutableListOf())).also {
                             checkKnown("runFacets", it).add(runFacet)
                         }
                 }
 
-                fun sessionFeedbackStats(sessionFeedbackStats: JsonValue) = apply {
-                    this.sessionFeedbackStats = sessionFeedbackStats
-                }
+                fun sessionFeedbackStats(sessionFeedbackStats: SessionFeedbackStats?) =
+                    sessionFeedbackStats(JsonField.ofNullable(sessionFeedbackStats))
+
+                /**
+                 * Alias for calling [Builder.sessionFeedbackStats] with
+                 * `sessionFeedbackStats.orElse(null)`.
+                 */
+                fun sessionFeedbackStats(sessionFeedbackStats: Optional<SessionFeedbackStats>) =
+                    sessionFeedbackStats(sessionFeedbackStats.getOrNull())
+
+                /**
+                 * Sets [Builder.sessionFeedbackStats] to an arbitrary JSON value.
+                 *
+                 * You should usually call [Builder.sessionFeedbackStats] with a well-typed
+                 * [SessionFeedbackStats] value instead. This method is primarily for setting the
+                 * field to an undocumented or not yet supported value.
+                 */
+                fun sessionFeedbackStats(sessionFeedbackStats: JsonField<SessionFeedbackStats>) =
+                    apply {
+                        this.sessionFeedbackStats = sessionFeedbackStats
+                    }
 
                 fun startTime(startTime: OffsetDateTime) = startTime(JsonField.of(startTime))
 
@@ -2740,6 +2849,8 @@ private constructor(
                 endTime()
                 errorRate()
                 exampleCount()
+                extra().ifPresent { it.validate() }
+                feedbackStats().ifPresent { it.validate() }
                 firstTokenP50()
                 firstTokenP99()
                 lastRunStartTime()
@@ -2753,7 +2864,8 @@ private constructor(
                 promptTokens()
                 referenceDatasetId()
                 runCount()
-                runFacets()
+                runFacets().ifPresent { it.forEach { it.validate() } }
+                sessionFeedbackStats().ifPresent { it.validate() }
                 startTime()
                 streamingRate()
                 testRunNumber()
@@ -2789,6 +2901,8 @@ private constructor(
                     (if (endTime.asKnown().isPresent) 1 else 0) +
                     (if (errorRate.asKnown().isPresent) 1 else 0) +
                     (if (exampleCount.asKnown().isPresent) 1 else 0) +
+                    (extra.asKnown().getOrNull()?.validity() ?: 0) +
+                    (feedbackStats.asKnown().getOrNull()?.validity() ?: 0) +
                     (if (firstTokenP50.asKnown().isPresent) 1 else 0) +
                     (if (firstTokenP99.asKnown().isPresent) 1 else 0) +
                     (if (lastRunStartTime.asKnown().isPresent) 1 else 0) +
@@ -2802,7 +2916,8 @@ private constructor(
                     (if (promptTokens.asKnown().isPresent) 1 else 0) +
                     (if (referenceDatasetId.asKnown().isPresent) 1 else 0) +
                     (if (runCount.asKnown().isPresent) 1 else 0) +
-                    (runFacets.asKnown().getOrNull()?.size ?: 0) +
+                    (runFacets.asKnown().getOrNull()?.sumOf { it.validity().toInt() } ?: 0) +
+                    (sessionFeedbackStats.asKnown().getOrNull()?.validity() ?: 0) +
                     (if (startTime.asKnown().isPresent) 1 else 0) +
                     (if (streamingRate.asKnown().isPresent) 1 else 0) +
                     (if (testRunNumber.asKnown().isPresent) 1 else 0) +
@@ -2810,6 +2925,433 @@ private constructor(
                     (if (totalTokens.asKnown().isPresent) 1 else 0) +
                     (traceTier.asKnown().getOrNull()?.validity() ?: 0)
 
+            class Extra
+            @JsonCreator
+            private constructor(
+                @com.fasterxml.jackson.annotation.JsonValue
+                private val additionalProperties: Map<String, JsonValue>
+            ) {
+
+                @JsonAnyGetter
+                @ExcludeMissing
+                fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+                fun toBuilder() = Builder().from(this)
+
+                companion object {
+
+                    /** Returns a mutable builder for constructing an instance of [Extra]. */
+                    @JvmStatic fun builder() = Builder()
+                }
+
+                /** A builder for [Extra]. */
+                class Builder internal constructor() {
+
+                    private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                    @JvmSynthetic
+                    internal fun from(extra: Extra) = apply {
+                        additionalProperties = extra.additionalProperties.toMutableMap()
+                    }
+
+                    fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                        this.additionalProperties.clear()
+                        putAllAdditionalProperties(additionalProperties)
+                    }
+
+                    fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                        additionalProperties.put(key, value)
+                    }
+
+                    fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                        apply {
+                            this.additionalProperties.putAll(additionalProperties)
+                        }
+
+                    fun removeAdditionalProperty(key: String) = apply {
+                        additionalProperties.remove(key)
+                    }
+
+                    fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                        keys.forEach(::removeAdditionalProperty)
+                    }
+
+                    /**
+                     * Returns an immutable instance of [Extra].
+                     *
+                     * Further updates to this [Builder] will not mutate the returned instance.
+                     */
+                    fun build(): Extra = Extra(additionalProperties.toImmutable())
+                }
+
+                private var validated: Boolean = false
+
+                fun validate(): Extra = apply {
+                    if (validated) {
+                        return@apply
+                    }
+
+                    validated = true
+                }
+
+                fun isValid(): Boolean =
+                    try {
+                        validate()
+                        true
+                    } catch (e: LangChainInvalidDataException) {
+                        false
+                    }
+
+                /**
+                 * Returns a score indicating how many valid values are contained in this object
+                 * recursively.
+                 *
+                 * Used for best match union deserialization.
+                 */
+                @JvmSynthetic
+                internal fun validity(): Int =
+                    additionalProperties.count { (_, value) ->
+                        !value.isNull() && !value.isMissing()
+                    }
+
+                override fun equals(other: Any?): Boolean {
+                    if (this === other) {
+                        return true
+                    }
+
+                    return other is Extra && additionalProperties == other.additionalProperties
+                }
+
+                private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+                override fun hashCode(): Int = hashCode
+
+                override fun toString() = "Extra{additionalProperties=$additionalProperties}"
+            }
+
+            class FeedbackStats
+            @JsonCreator
+            private constructor(
+                @com.fasterxml.jackson.annotation.JsonValue
+                private val additionalProperties: Map<String, JsonValue>
+            ) {
+
+                @JsonAnyGetter
+                @ExcludeMissing
+                fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+                fun toBuilder() = Builder().from(this)
+
+                companion object {
+
+                    /**
+                     * Returns a mutable builder for constructing an instance of [FeedbackStats].
+                     */
+                    @JvmStatic fun builder() = Builder()
+                }
+
+                /** A builder for [FeedbackStats]. */
+                class Builder internal constructor() {
+
+                    private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                    @JvmSynthetic
+                    internal fun from(feedbackStats: FeedbackStats) = apply {
+                        additionalProperties = feedbackStats.additionalProperties.toMutableMap()
+                    }
+
+                    fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                        this.additionalProperties.clear()
+                        putAllAdditionalProperties(additionalProperties)
+                    }
+
+                    fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                        additionalProperties.put(key, value)
+                    }
+
+                    fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                        apply {
+                            this.additionalProperties.putAll(additionalProperties)
+                        }
+
+                    fun removeAdditionalProperty(key: String) = apply {
+                        additionalProperties.remove(key)
+                    }
+
+                    fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                        keys.forEach(::removeAdditionalProperty)
+                    }
+
+                    /**
+                     * Returns an immutable instance of [FeedbackStats].
+                     *
+                     * Further updates to this [Builder] will not mutate the returned instance.
+                     */
+                    fun build(): FeedbackStats = FeedbackStats(additionalProperties.toImmutable())
+                }
+
+                private var validated: Boolean = false
+
+                fun validate(): FeedbackStats = apply {
+                    if (validated) {
+                        return@apply
+                    }
+
+                    validated = true
+                }
+
+                fun isValid(): Boolean =
+                    try {
+                        validate()
+                        true
+                    } catch (e: LangChainInvalidDataException) {
+                        false
+                    }
+
+                /**
+                 * Returns a score indicating how many valid values are contained in this object
+                 * recursively.
+                 *
+                 * Used for best match union deserialization.
+                 */
+                @JvmSynthetic
+                internal fun validity(): Int =
+                    additionalProperties.count { (_, value) ->
+                        !value.isNull() && !value.isMissing()
+                    }
+
+                override fun equals(other: Any?): Boolean {
+                    if (this === other) {
+                        return true
+                    }
+
+                    return other is FeedbackStats &&
+                        additionalProperties == other.additionalProperties
+                }
+
+                private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+                override fun hashCode(): Int = hashCode
+
+                override fun toString() =
+                    "FeedbackStats{additionalProperties=$additionalProperties}"
+            }
+
+            class RunFacet
+            @JsonCreator
+            private constructor(
+                @com.fasterxml.jackson.annotation.JsonValue
+                private val additionalProperties: Map<String, JsonValue>
+            ) {
+
+                @JsonAnyGetter
+                @ExcludeMissing
+                fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+                fun toBuilder() = Builder().from(this)
+
+                companion object {
+
+                    /** Returns a mutable builder for constructing an instance of [RunFacet]. */
+                    @JvmStatic fun builder() = Builder()
+                }
+
+                /** A builder for [RunFacet]. */
+                class Builder internal constructor() {
+
+                    private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                    @JvmSynthetic
+                    internal fun from(runFacet: RunFacet) = apply {
+                        additionalProperties = runFacet.additionalProperties.toMutableMap()
+                    }
+
+                    fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                        this.additionalProperties.clear()
+                        putAllAdditionalProperties(additionalProperties)
+                    }
+
+                    fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                        additionalProperties.put(key, value)
+                    }
+
+                    fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                        apply {
+                            this.additionalProperties.putAll(additionalProperties)
+                        }
+
+                    fun removeAdditionalProperty(key: String) = apply {
+                        additionalProperties.remove(key)
+                    }
+
+                    fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                        keys.forEach(::removeAdditionalProperty)
+                    }
+
+                    /**
+                     * Returns an immutable instance of [RunFacet].
+                     *
+                     * Further updates to this [Builder] will not mutate the returned instance.
+                     */
+                    fun build(): RunFacet = RunFacet(additionalProperties.toImmutable())
+                }
+
+                private var validated: Boolean = false
+
+                fun validate(): RunFacet = apply {
+                    if (validated) {
+                        return@apply
+                    }
+
+                    validated = true
+                }
+
+                fun isValid(): Boolean =
+                    try {
+                        validate()
+                        true
+                    } catch (e: LangChainInvalidDataException) {
+                        false
+                    }
+
+                /**
+                 * Returns a score indicating how many valid values are contained in this object
+                 * recursively.
+                 *
+                 * Used for best match union deserialization.
+                 */
+                @JvmSynthetic
+                internal fun validity(): Int =
+                    additionalProperties.count { (_, value) ->
+                        !value.isNull() && !value.isMissing()
+                    }
+
+                override fun equals(other: Any?): Boolean {
+                    if (this === other) {
+                        return true
+                    }
+
+                    return other is RunFacet && additionalProperties == other.additionalProperties
+                }
+
+                private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+                override fun hashCode(): Int = hashCode
+
+                override fun toString() = "RunFacet{additionalProperties=$additionalProperties}"
+            }
+
+            class SessionFeedbackStats
+            @JsonCreator
+            private constructor(
+                @com.fasterxml.jackson.annotation.JsonValue
+                private val additionalProperties: Map<String, JsonValue>
+            ) {
+
+                @JsonAnyGetter
+                @ExcludeMissing
+                fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+                fun toBuilder() = Builder().from(this)
+
+                companion object {
+
+                    /**
+                     * Returns a mutable builder for constructing an instance of
+                     * [SessionFeedbackStats].
+                     */
+                    @JvmStatic fun builder() = Builder()
+                }
+
+                /** A builder for [SessionFeedbackStats]. */
+                class Builder internal constructor() {
+
+                    private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                    @JvmSynthetic
+                    internal fun from(sessionFeedbackStats: SessionFeedbackStats) = apply {
+                        additionalProperties =
+                            sessionFeedbackStats.additionalProperties.toMutableMap()
+                    }
+
+                    fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                        this.additionalProperties.clear()
+                        putAllAdditionalProperties(additionalProperties)
+                    }
+
+                    fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                        additionalProperties.put(key, value)
+                    }
+
+                    fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                        apply {
+                            this.additionalProperties.putAll(additionalProperties)
+                        }
+
+                    fun removeAdditionalProperty(key: String) = apply {
+                        additionalProperties.remove(key)
+                    }
+
+                    fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                        keys.forEach(::removeAdditionalProperty)
+                    }
+
+                    /**
+                     * Returns an immutable instance of [SessionFeedbackStats].
+                     *
+                     * Further updates to this [Builder] will not mutate the returned instance.
+                     */
+                    fun build(): SessionFeedbackStats =
+                        SessionFeedbackStats(additionalProperties.toImmutable())
+                }
+
+                private var validated: Boolean = false
+
+                fun validate(): SessionFeedbackStats = apply {
+                    if (validated) {
+                        return@apply
+                    }
+
+                    validated = true
+                }
+
+                fun isValid(): Boolean =
+                    try {
+                        validate()
+                        true
+                    } catch (e: LangChainInvalidDataException) {
+                        false
+                    }
+
+                /**
+                 * Returns a score indicating how many valid values are contained in this object
+                 * recursively.
+                 *
+                 * Used for best match union deserialization.
+                 */
+                @JvmSynthetic
+                internal fun validity(): Int =
+                    additionalProperties.count { (_, value) ->
+                        !value.isNull() && !value.isMissing()
+                    }
+
+                override fun equals(other: Any?): Boolean {
+                    if (this === other) {
+                        return true
+                    }
+
+                    return other is SessionFeedbackStats &&
+                        additionalProperties == other.additionalProperties
+                }
+
+                private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+                override fun hashCode(): Int = hashCode
+
+                override fun toString() =
+                    "SessionFeedbackStats{additionalProperties=$additionalProperties}"
+            }
+
             class TraceTier @JsonCreator private constructor(private val value: JsonField<String>) :
                 Enum {
 
@@ -3028,6 +3570,108 @@ private constructor(
                 "Session{id=$id, filter=$filter, tenantId=$tenantId, completionCost=$completionCost, completionTokens=$completionTokens, defaultDatasetId=$defaultDatasetId, description=$description, endTime=$endTime, errorRate=$errorRate, exampleCount=$exampleCount, extra=$extra, feedbackStats=$feedbackStats, firstTokenP50=$firstTokenP50, firstTokenP99=$firstTokenP99, lastRunStartTime=$lastRunStartTime, lastRunStartTimeLive=$lastRunStartTimeLive, latencyP50=$latencyP50, latencyP99=$latencyP99, maxStartTime=$maxStartTime, minStartTime=$minStartTime, name=$name, promptCost=$promptCost, promptTokens=$promptTokens, referenceDatasetId=$referenceDatasetId, runCount=$runCount, runFacets=$runFacets, sessionFeedbackStats=$sessionFeedbackStats, startTime=$startTime, streamingRate=$streamingRate, testRunNumber=$testRunNumber, totalCost=$totalCost, totalTokens=$totalTokens, traceTier=$traceTier, additionalProperties=$additionalProperties}"
         }
 
+        class FeedbackStats
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [FeedbackStats]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [FeedbackStats]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(feedbackStats: FeedbackStats) = apply {
+                    additionalProperties = feedbackStats.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [FeedbackStats].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): FeedbackStats = FeedbackStats(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): FeedbackStats = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is FeedbackStats && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "FeedbackStats{additionalProperties=$additionalProperties}"
+        }
+
         override fun equals(other: Any?): Boolean {
             if (this === other) {
                 return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/datasets/playgroundexperiment/PlaygroundExperimentBatchParams.kt

@@ -82,7 +82,11 @@ private constructor(
      */
     fun evaluatorRules(): Optional<List<String>> = body.evaluatorRules()
 
-    fun _metadata(): JsonValue = body._metadata()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = body.metadata()
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -207,6 +211,13 @@ private constructor(
      */
     fun _evaluatorRules(): JsonField<List<String>> = body._evaluatorRules()
 
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    fun _metadata(): JsonField<Metadata> = body._metadata()
+
     /**
      * Returns the raw JSON value of [owner].
      *
@@ -477,7 +488,19 @@ private constructor(
          */
         fun addEvaluatorRule(evaluatorRule: String) = apply { body.addEvaluatorRule(evaluatorRule) }
 
-        fun metadata(metadata: JsonValue) = apply { body.metadata(metadata) }
+        fun metadata(metadata: Metadata?) = apply { body.metadata(metadata) }
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { body.metadata(metadata) }
 
         fun owner(owner: String?) = apply { body.owner(owner) }
 
@@ -826,7 +849,7 @@ private constructor(
         private val commit: JsonField<String>,
         private val datasetSplits: JsonField<List<String>>,
         private val evaluatorRules: JsonField<List<String>>,
-        private val metadata: JsonValue,
+        private val metadata: JsonField<Metadata>,
         private val owner: JsonField<String>,
         private val parallelToolCalls: JsonField<Boolean>,
         private val repetitions: JsonField<Long>,
@@ -864,7 +887,9 @@ private constructor(
             @JsonProperty("evaluator_rules")
             @ExcludeMissing
             evaluatorRules: JsonField<List<String>> = JsonMissing.of(),
-            @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+            @JsonProperty("metadata")
+            @ExcludeMissing
+            metadata: JsonField<Metadata> = JsonMissing.of(),
             @JsonProperty("owner") @ExcludeMissing owner: JsonField<String> = JsonMissing.of(),
             @JsonProperty("parallel_tool_calls")
             @ExcludeMissing
@@ -969,7 +994,11 @@ private constructor(
          */
         fun evaluatorRules(): Optional<List<String>> = evaluatorRules.getOptional("evaluator_rules")
 
-        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -1105,6 +1134,13 @@ private constructor(
         @ExcludeMissing
         fun _evaluatorRules(): JsonField<List<String>> = evaluatorRules
 
+        /**
+         * Returns the raw JSON value of [metadata].
+         *
+         * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
         /**
          * Returns the raw JSON value of [owner].
          *
@@ -1241,7 +1277,7 @@ private constructor(
             private var commit: JsonField<String> = JsonMissing.of()
             private var datasetSplits: JsonField<MutableList<String>>? = null
             private var evaluatorRules: JsonField<MutableList<String>>? = null
-            private var metadata: JsonValue = JsonMissing.of()
+            private var metadata: JsonField<Metadata> = JsonMissing.of()
             private var owner: JsonField<String> = JsonMissing.of()
             private var parallelToolCalls: JsonField<Boolean> = JsonMissing.of()
             private var repetitions: JsonField<Long> = JsonMissing.of()
@@ -1425,7 +1461,19 @@ private constructor(
                     }
             }
 
-            fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+            fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+            /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+            fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+            /**
+             * Sets [Builder.metadata] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.metadata] with a well-typed [Metadata] value
+             * instead. This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
             fun owner(owner: String?) = owner(JsonField.ofNullable(owner))
 
@@ -1701,6 +1749,7 @@ private constructor(
             commit()
             datasetSplits()
             evaluatorRules()
+            metadata().ifPresent { it.validate() }
             owner()
             parallelToolCalls()
             repetitions()
@@ -1739,6 +1788,7 @@ private constructor(
                 (if (commit.asKnown().isPresent) 1 else 0) +
                 (datasetSplits.asKnown().getOrNull()?.size ?: 0) +
                 (evaluatorRules.asKnown().getOrNull()?.size ?: 0) +
+                (metadata.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (owner.asKnown().isPresent) 1 else 0) +
                 (if (parallelToolCalls.asKnown().isPresent) 1 else 0) +
                 (if (repetitions.asKnown().isPresent) 1 else 0) +
@@ -1913,6 +1963,105 @@ private constructor(
         override fun toString() = "Secrets{additionalProperties=$additionalProperties}"
     }
 
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/datasets/playgroundexperiment/PlaygroundExperimentStreamParams.kt

@@ -76,7 +76,11 @@ private constructor(
      */
     fun evaluatorRules(): Optional<List<String>> = body.evaluatorRules()
 
-    fun _metadata(): JsonValue = body._metadata()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = body.metadata()
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -194,6 +198,13 @@ private constructor(
      */
     fun _evaluatorRules(): JsonField<List<String>> = body._evaluatorRules()
 
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    fun _metadata(): JsonField<Metadata> = body._metadata()
+
     /**
      * Returns the raw JSON value of [owner].
      *
@@ -444,7 +455,19 @@ private constructor(
          */
         fun addEvaluatorRule(evaluatorRule: String) = apply { body.addEvaluatorRule(evaluatorRule) }
 
-        fun metadata(metadata: JsonValue) = apply { body.metadata(metadata) }
+        fun metadata(metadata: Metadata?) = apply { body.metadata(metadata) }
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { body.metadata(metadata) }
 
         fun owner(owner: String?) = apply { body.owner(owner) }
 
@@ -792,7 +815,7 @@ private constructor(
         private val commit: JsonField<String>,
         private val datasetSplits: JsonField<List<String>>,
         private val evaluatorRules: JsonField<List<String>>,
-        private val metadata: JsonValue,
+        private val metadata: JsonField<Metadata>,
         private val owner: JsonField<String>,
         private val parallelToolCalls: JsonField<Boolean>,
         private val repetitions: JsonField<Long>,
@@ -827,7 +850,9 @@ private constructor(
             @JsonProperty("evaluator_rules")
             @ExcludeMissing
             evaluatorRules: JsonField<List<String>> = JsonMissing.of(),
-            @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+            @JsonProperty("metadata")
+            @ExcludeMissing
+            metadata: JsonField<Metadata> = JsonMissing.of(),
             @JsonProperty("owner") @ExcludeMissing owner: JsonField<String> = JsonMissing.of(),
             @JsonProperty("parallel_tool_calls")
             @ExcludeMissing
@@ -925,7 +950,11 @@ private constructor(
          */
         fun evaluatorRules(): Optional<List<String>> = evaluatorRules.getOptional("evaluator_rules")
 
-        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -1054,6 +1083,13 @@ private constructor(
         @ExcludeMissing
         fun _evaluatorRules(): JsonField<List<String>> = evaluatorRules
 
+        /**
+         * Returns the raw JSON value of [metadata].
+         *
+         * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
         /**
          * Returns the raw JSON value of [owner].
          *
@@ -1189,7 +1225,7 @@ private constructor(
             private var commit: JsonField<String> = JsonMissing.of()
             private var datasetSplits: JsonField<MutableList<String>>? = null
             private var evaluatorRules: JsonField<MutableList<String>>? = null
-            private var metadata: JsonValue = JsonMissing.of()
+            private var metadata: JsonField<Metadata> = JsonMissing.of()
             private var owner: JsonField<String> = JsonMissing.of()
             private var parallelToolCalls: JsonField<Boolean> = JsonMissing.of()
             private var repetitions: JsonField<Long> = JsonMissing.of()
@@ -1351,7 +1387,19 @@ private constructor(
                     }
             }
 
-            fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+            fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+            /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+            fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+            /**
+             * Sets [Builder.metadata] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.metadata] with a well-typed [Metadata] value
+             * instead. This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
             fun owner(owner: String?) = owner(JsonField.ofNullable(owner))
 
@@ -1625,6 +1673,7 @@ private constructor(
             commit()
             datasetSplits()
             evaluatorRules()
+            metadata().ifPresent { it.validate() }
             owner()
             parallelToolCalls()
             repetitions()
@@ -1662,6 +1711,7 @@ private constructor(
                 (if (commit.asKnown().isPresent) 1 else 0) +
                 (datasetSplits.asKnown().getOrNull()?.size ?: 0) +
                 (evaluatorRules.asKnown().getOrNull()?.size ?: 0) +
+                (metadata.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (owner.asKnown().isPresent) 1 else 0) +
                 (if (parallelToolCalls.asKnown().isPresent) 1 else 0) +
                 (if (repetitions.asKnown().isPresent) 1 else 0) +
@@ -1834,6 +1884,105 @@ private constructor(
         override fun toString() = "Secrets{additionalProperties=$additionalProperties}"
     }
 
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/datasets/playgroundexperiment/RunnableConfig.kt

@@ -34,9 +34,9 @@ class RunnableConfig
 @JsonCreator(mode = JsonCreator.Mode.DISABLED)
 private constructor(
     private val callbacks: JsonField<Callbacks>,
-    private val configurable: JsonValue,
+    private val configurable: JsonField<Configurable>,
     private val maxConcurrency: JsonField<Long>,
-    private val metadata: JsonValue,
+    private val metadata: JsonField<Metadata>,
     private val recursionLimit: JsonField<Long>,
     private val runId: JsonField<String>,
     private val runName: JsonField<String>,
@@ -49,11 +49,13 @@ private constructor(
         @JsonProperty("callbacks")
         @ExcludeMissing
         callbacks: JsonField<Callbacks> = JsonMissing.of(),
-        @JsonProperty("configurable") @ExcludeMissing configurable: JsonValue = JsonMissing.of(),
+        @JsonProperty("configurable")
+        @ExcludeMissing
+        configurable: JsonField<Configurable> = JsonMissing.of(),
         @JsonProperty("max_concurrency")
         @ExcludeMissing
         maxConcurrency: JsonField<Long> = JsonMissing.of(),
-        @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+        @JsonProperty("metadata") @ExcludeMissing metadata: JsonField<Metadata> = JsonMissing.of(),
         @JsonProperty("recursion_limit")
         @ExcludeMissing
         recursionLimit: JsonField<Long> = JsonMissing.of(),
@@ -78,7 +80,11 @@ private constructor(
      */
     fun callbacks(): Optional<Callbacks> = callbacks.getOptional("callbacks")
 
-    @JsonProperty("configurable") @ExcludeMissing fun _configurable(): JsonValue = configurable
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun configurable(): Optional<Configurable> = configurable.getOptional("configurable")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -86,7 +92,11 @@ private constructor(
      */
     fun maxConcurrency(): Optional<Long> = maxConcurrency.getOptional("max_concurrency")
 
-    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -119,6 +129,15 @@ private constructor(
      */
     @JsonProperty("callbacks") @ExcludeMissing fun _callbacks(): JsonField<Callbacks> = callbacks
 
+    /**
+     * Returns the raw JSON value of [configurable].
+     *
+     * Unlike [configurable], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("configurable")
+    @ExcludeMissing
+    fun _configurable(): JsonField<Configurable> = configurable
+
     /**
      * Returns the raw JSON value of [maxConcurrency].
      *
@@ -128,6 +147,13 @@ private constructor(
     @ExcludeMissing
     fun _maxConcurrency(): JsonField<Long> = maxConcurrency
 
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
     /**
      * Returns the raw JSON value of [recursionLimit].
      *
@@ -180,9 +206,9 @@ private constructor(
     class Builder internal constructor() {
 
         private var callbacks: JsonField<Callbacks> = JsonMissing.of()
-        private var configurable: JsonValue = JsonMissing.of()
+        private var configurable: JsonField<Configurable> = JsonMissing.of()
         private var maxConcurrency: JsonField<Long> = JsonMissing.of()
-        private var metadata: JsonValue = JsonMissing.of()
+        private var metadata: JsonField<Metadata> = JsonMissing.of()
         private var recursionLimit: JsonField<Long> = JsonMissing.of()
         private var runId: JsonField<String> = JsonMissing.of()
         private var runName: JsonField<String> = JsonMissing.of()
@@ -223,7 +249,18 @@ private constructor(
         /** Alias for calling [callbacks] with `Callbacks.ofJsonValue(jsonValue)`. */
         fun callbacks(jsonValue: JsonValue) = callbacks(Callbacks.ofJsonValue(jsonValue))
 
-        fun configurable(configurable: JsonValue) = apply { this.configurable = configurable }
+        fun configurable(configurable: Configurable) = configurable(JsonField.of(configurable))
+
+        /**
+         * Sets [Builder.configurable] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.configurable] with a well-typed [Configurable] value
+         * instead. This method is primarily for setting the field to an undocumented or not yet
+         * supported value.
+         */
+        fun configurable(configurable: JsonField<Configurable>) = apply {
+            this.configurable = configurable
+        }
 
         fun maxConcurrency(maxConcurrency: Long?) =
             maxConcurrency(JsonField.ofNullable(maxConcurrency))
@@ -250,7 +287,16 @@ private constructor(
             this.maxConcurrency = maxConcurrency
         }
 
-        fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+        fun metadata(metadata: Metadata) = metadata(JsonField.of(metadata))
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
         fun recursionLimit(recursionLimit: Long) = recursionLimit(JsonField.of(recursionLimit))
 
@@ -356,7 +402,9 @@ private constructor(
         }
 
         callbacks().ifPresent { it.validate() }
+        configurable().ifPresent { it.validate() }
         maxConcurrency()
+        metadata().ifPresent { it.validate() }
         recursionLimit()
         runId()
         runName()
@@ -380,7 +428,9 @@ private constructor(
     @JvmSynthetic
     internal fun validity(): Int =
         (callbacks.asKnown().getOrNull()?.validity() ?: 0) +
+            (configurable.asKnown().getOrNull()?.validity() ?: 0) +
             (if (maxConcurrency.asKnown().isPresent) 1 else 0) +
+            (metadata.asKnown().getOrNull()?.validity() ?: 0) +
             (if (recursionLimit.asKnown().isPresent) 1 else 0) +
             (if (runId.asKnown().isPresent) 1 else 0) +
             (if (runName.asKnown().isPresent) 1 else 0) +
@@ -559,6 +609,204 @@ private constructor(
         }
     }
 
+    class Configurable
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Configurable]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Configurable]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(configurable: Configurable) = apply {
+                additionalProperties = configurable.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Configurable].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Configurable = Configurable(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Configurable = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Configurable && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Configurable{additionalProperties=$additionalProperties}"
+    }
+
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/examples/Example.kt

@@ -11,6 +11,7 @@ import com.langchain.smith.core.JsonField
 import com.langchain.smith.core.JsonMissing
 import com.langchain.smith.core.JsonValue
 import com.langchain.smith.core.checkRequired
+import com.langchain.smith.core.toImmutable
 import com.langchain.smith.errors.LangChainInvalidDataException
 import java.time.OffsetDateTime
 import java.util.Collections
@@ -24,13 +25,13 @@ class Example
 private constructor(
     private val id: JsonField<String>,
     private val datasetId: JsonField<String>,
-    private val inputs: JsonValue,
+    private val inputs: JsonField<Inputs>,
     private val name: JsonField<String>,
-    private val attachmentUrls: JsonValue,
+    private val attachmentUrls: JsonField<AttachmentUrls>,
     private val createdAt: JsonField<OffsetDateTime>,
-    private val metadata: JsonValue,
+    private val metadata: JsonField<Metadata>,
     private val modifiedAt: JsonField<OffsetDateTime>,
-    private val outputs: JsonValue,
+    private val outputs: JsonField<Outputs>,
     private val sourceRunId: JsonField<String>,
     private val additionalProperties: MutableMap<String, JsonValue>,
 ) {
@@ -39,19 +40,19 @@ private constructor(
     private constructor(
         @JsonProperty("id") @ExcludeMissing id: JsonField<String> = JsonMissing.of(),
         @JsonProperty("dataset_id") @ExcludeMissing datasetId: JsonField<String> = JsonMissing.of(),
-        @JsonProperty("inputs") @ExcludeMissing inputs: JsonValue = JsonMissing.of(),
+        @JsonProperty("inputs") @ExcludeMissing inputs: JsonField<Inputs> = JsonMissing.of(),
         @JsonProperty("name") @ExcludeMissing name: JsonField<String> = JsonMissing.of(),
         @JsonProperty("attachment_urls")
         @ExcludeMissing
-        attachmentUrls: JsonValue = JsonMissing.of(),
+        attachmentUrls: JsonField<AttachmentUrls> = JsonMissing.of(),
         @JsonProperty("created_at")
         @ExcludeMissing
         createdAt: JsonField<OffsetDateTime> = JsonMissing.of(),
-        @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+        @JsonProperty("metadata") @ExcludeMissing metadata: JsonField<Metadata> = JsonMissing.of(),
         @JsonProperty("modified_at")
         @ExcludeMissing
         modifiedAt: JsonField<OffsetDateTime> = JsonMissing.of(),
-        @JsonProperty("outputs") @ExcludeMissing outputs: JsonValue = JsonMissing.of(),
+        @JsonProperty("outputs") @ExcludeMissing outputs: JsonField<Outputs> = JsonMissing.of(),
         @JsonProperty("source_run_id")
         @ExcludeMissing
         sourceRunId: JsonField<String> = JsonMissing.of(),
@@ -81,7 +82,11 @@ private constructor(
      */
     fun datasetId(): String = datasetId.getRequired("dataset_id")
 
-    @JsonProperty("inputs") @ExcludeMissing fun _inputs(): JsonValue = inputs
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type or is
+     *   unexpectedly missing or null (e.g. if the server responded with an unexpected value).
+     */
+    fun inputs(): Inputs = inputs.getRequired("inputs")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type or is
@@ -89,9 +94,11 @@ private constructor(
      */
     fun name(): String = name.getRequired("name")
 
-    @JsonProperty("attachment_urls")
-    @ExcludeMissing
-    fun _attachmentUrls(): JsonValue = attachmentUrls
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun attachmentUrls(): Optional<AttachmentUrls> = attachmentUrls.getOptional("attachment_urls")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -99,7 +106,11 @@ private constructor(
      */
     fun createdAt(): Optional<OffsetDateTime> = createdAt.getOptional("created_at")
 
-    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -107,7 +118,11 @@ private constructor(
      */
     fun modifiedAt(): Optional<OffsetDateTime> = modifiedAt.getOptional("modified_at")
 
-    @JsonProperty("outputs") @ExcludeMissing fun _outputs(): JsonValue = outputs
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun outputs(): Optional<Outputs> = outputs.getOptional("outputs")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -129,6 +144,13 @@ private constructor(
      */
     @JsonProperty("dataset_id") @ExcludeMissing fun _datasetId(): JsonField<String> = datasetId
 
+    /**
+     * Returns the raw JSON value of [inputs].
+     *
+     * Unlike [inputs], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("inputs") @ExcludeMissing fun _inputs(): JsonField<Inputs> = inputs
+
     /**
      * Returns the raw JSON value of [name].
      *
@@ -136,6 +158,15 @@ private constructor(
      */
     @JsonProperty("name") @ExcludeMissing fun _name(): JsonField<String> = name
 
+    /**
+     * Returns the raw JSON value of [attachmentUrls].
+     *
+     * Unlike [attachmentUrls], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("attachment_urls")
+    @ExcludeMissing
+    fun _attachmentUrls(): JsonField<AttachmentUrls> = attachmentUrls
+
     /**
      * Returns the raw JSON value of [createdAt].
      *
@@ -145,6 +176,13 @@ private constructor(
     @ExcludeMissing
     fun _createdAt(): JsonField<OffsetDateTime> = createdAt
 
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
     /**
      * Returns the raw JSON value of [modifiedAt].
      *
@@ -154,6 +192,13 @@ private constructor(
     @ExcludeMissing
     fun _modifiedAt(): JsonField<OffsetDateTime> = modifiedAt
 
+    /**
+     * Returns the raw JSON value of [outputs].
+     *
+     * Unlike [outputs], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("outputs") @ExcludeMissing fun _outputs(): JsonField<Outputs> = outputs
+
     /**
      * Returns the raw JSON value of [sourceRunId].
      *
@@ -196,13 +241,13 @@ private constructor(
 
         private var id: JsonField<String>? = null
         private var datasetId: JsonField<String>? = null
-        private var inputs: JsonValue? = null
+        private var inputs: JsonField<Inputs>? = null
         private var name: JsonField<String>? = null
-        private var attachmentUrls: JsonValue = JsonMissing.of()
+        private var attachmentUrls: JsonField<AttachmentUrls> = JsonMissing.of()
         private var createdAt: JsonField<OffsetDateTime> = JsonMissing.of()
-        private var metadata: JsonValue = JsonMissing.of()
+        private var metadata: JsonField<Metadata> = JsonMissing.of()
         private var modifiedAt: JsonField<OffsetDateTime> = JsonMissing.of()
-        private var outputs: JsonValue = JsonMissing.of()
+        private var outputs: JsonField<Outputs> = JsonMissing.of()
         private var sourceRunId: JsonField<String> = JsonMissing.of()
         private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
@@ -242,7 +287,15 @@ private constructor(
          */
         fun datasetId(datasetId: JsonField<String>) = apply { this.datasetId = datasetId }
 
-        fun inputs(inputs: JsonValue) = apply { this.inputs = inputs }
+        fun inputs(inputs: Inputs) = inputs(JsonField.of(inputs))
+
+        /**
+         * Sets [Builder.inputs] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.inputs] with a well-typed [Inputs] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun inputs(inputs: JsonField<Inputs>) = apply { this.inputs = inputs }
 
         fun name(name: String) = name(JsonField.of(name))
 
@@ -254,7 +307,21 @@ private constructor(
          */
         fun name(name: JsonField<String>) = apply { this.name = name }
 
-        fun attachmentUrls(attachmentUrls: JsonValue) = apply {
+        fun attachmentUrls(attachmentUrls: AttachmentUrls?) =
+            attachmentUrls(JsonField.ofNullable(attachmentUrls))
+
+        /** Alias for calling [Builder.attachmentUrls] with `attachmentUrls.orElse(null)`. */
+        fun attachmentUrls(attachmentUrls: Optional<AttachmentUrls>) =
+            attachmentUrls(attachmentUrls.getOrNull())
+
+        /**
+         * Sets [Builder.attachmentUrls] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.attachmentUrls] with a well-typed [AttachmentUrls] value
+         * instead. This method is primarily for setting the field to an undocumented or not yet
+         * supported value.
+         */
+        fun attachmentUrls(attachmentUrls: JsonField<AttachmentUrls>) = apply {
             this.attachmentUrls = attachmentUrls
         }
 
@@ -269,7 +336,19 @@ private constructor(
          */
         fun createdAt(createdAt: JsonField<OffsetDateTime>) = apply { this.createdAt = createdAt }
 
-        fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+        fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
         fun modifiedAt(modifiedAt: OffsetDateTime?) = modifiedAt(JsonField.ofNullable(modifiedAt))
 
@@ -287,7 +366,18 @@ private constructor(
             this.modifiedAt = modifiedAt
         }
 
-        fun outputs(outputs: JsonValue) = apply { this.outputs = outputs }
+        fun outputs(outputs: Outputs?) = outputs(JsonField.ofNullable(outputs))
+
+        /** Alias for calling [Builder.outputs] with `outputs.orElse(null)`. */
+        fun outputs(outputs: Optional<Outputs>) = outputs(outputs.getOrNull())
+
+        /**
+         * Sets [Builder.outputs] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.outputs] with a well-typed [Outputs] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun outputs(outputs: JsonField<Outputs>) = apply { this.outputs = outputs }
 
         fun sourceRunId(sourceRunId: String?) = sourceRunId(JsonField.ofNullable(sourceRunId))
 
@@ -362,9 +452,13 @@ private constructor(
 
         id()
         datasetId()
+        inputs().validate()
         name()
+        attachmentUrls().ifPresent { it.validate() }
         createdAt()
+        metadata().ifPresent { it.validate() }
         modifiedAt()
+        outputs().ifPresent { it.validate() }
         sourceRunId()
         validated = true
     }
@@ -386,11 +480,411 @@ private constructor(
     internal fun validity(): Int =
         (if (id.asKnown().isPresent) 1 else 0) +
             (if (datasetId.asKnown().isPresent) 1 else 0) +
+            (inputs.asKnown().getOrNull()?.validity() ?: 0) +
             (if (name.asKnown().isPresent) 1 else 0) +
+            (attachmentUrls.asKnown().getOrNull()?.validity() ?: 0) +
             (if (createdAt.asKnown().isPresent) 1 else 0) +
+            (metadata.asKnown().getOrNull()?.validity() ?: 0) +
             (if (modifiedAt.asKnown().isPresent) 1 else 0) +
+            (outputs.asKnown().getOrNull()?.validity() ?: 0) +
             (if (sourceRunId.asKnown().isPresent) 1 else 0)
 
+    class Inputs
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Inputs]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Inputs]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(inputs: Inputs) = apply {
+                additionalProperties = inputs.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Inputs].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Inputs = Inputs(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Inputs = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Inputs && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Inputs{additionalProperties=$additionalProperties}"
+    }
+
+    class AttachmentUrls
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [AttachmentUrls]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [AttachmentUrls]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(attachmentUrls: AttachmentUrls) = apply {
+                additionalProperties = attachmentUrls.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [AttachmentUrls].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): AttachmentUrls = AttachmentUrls(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): AttachmentUrls = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is AttachmentUrls && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "AttachmentUrls{additionalProperties=$additionalProperties}"
+    }
+
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
+
+    class Outputs
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Outputs]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Outputs]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(outputs: Outputs) = apply {
+                additionalProperties = outputs.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Outputs].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Outputs = Outputs(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Outputs = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Outputs && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Outputs{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/examples/ExampleCreateParams.kt

@@ -59,11 +59,23 @@ private constructor(
      */
     fun createdAt(): Optional<String> = body.createdAt()
 
-    fun _inputs(): JsonValue = body._inputs()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun inputs(): Optional<Inputs> = body.inputs()
 
-    fun _metadata(): JsonValue = body._metadata()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = body.metadata()
 
-    fun _outputs(): JsonValue = body._outputs()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun outputs(): Optional<Outputs> = body.outputs()
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -118,6 +130,27 @@ private constructor(
      */
     fun _createdAt(): JsonField<String> = body._createdAt()
 
+    /**
+     * Returns the raw JSON value of [inputs].
+     *
+     * Unlike [inputs], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    fun _inputs(): JsonField<Inputs> = body._inputs()
+
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    fun _metadata(): JsonField<Metadata> = body._metadata()
+
+    /**
+     * Returns the raw JSON value of [outputs].
+     *
+     * Unlike [outputs], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    fun _outputs(): JsonField<Outputs> = body._outputs()
+
     /**
      * Returns the raw JSON value of [sourceRunId].
      *
@@ -241,11 +274,45 @@ private constructor(
          */
         fun createdAt(createdAt: JsonField<String>) = apply { body.createdAt(createdAt) }
 
-        fun inputs(inputs: JsonValue) = apply { body.inputs(inputs) }
+        fun inputs(inputs: Inputs?) = apply { body.inputs(inputs) }
 
-        fun metadata(metadata: JsonValue) = apply { body.metadata(metadata) }
+        /** Alias for calling [Builder.inputs] with `inputs.orElse(null)`. */
+        fun inputs(inputs: Optional<Inputs>) = inputs(inputs.getOrNull())
 
-        fun outputs(outputs: JsonValue) = apply { body.outputs(outputs) }
+        /**
+         * Sets [Builder.inputs] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.inputs] with a well-typed [Inputs] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun inputs(inputs: JsonField<Inputs>) = apply { body.inputs(inputs) }
+
+        fun metadata(metadata: Metadata?) = apply { body.metadata(metadata) }
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { body.metadata(metadata) }
+
+        fun outputs(outputs: Outputs?) = apply { body.outputs(outputs) }
+
+        /** Alias for calling [Builder.outputs] with `outputs.orElse(null)`. */
+        fun outputs(outputs: Optional<Outputs>) = outputs(outputs.getOrNull())
+
+        /**
+         * Sets [Builder.outputs] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.outputs] with a well-typed [Outputs] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun outputs(outputs: JsonField<Outputs>) = apply { body.outputs(outputs) }
 
         fun sourceRunId(sourceRunId: String?) = apply { body.sourceRunId(sourceRunId) }
 
@@ -483,9 +550,9 @@ private constructor(
         private val datasetId: JsonField<String>,
         private val id: JsonField<String>,
         private val createdAt: JsonField<String>,
-        private val inputs: JsonValue,
-        private val metadata: JsonValue,
-        private val outputs: JsonValue,
+        private val inputs: JsonField<Inputs>,
+        private val metadata: JsonField<Metadata>,
+        private val outputs: JsonField<Outputs>,
         private val sourceRunId: JsonField<String>,
         private val split: JsonField<Split>,
         private val useLegacyMessageFormat: JsonField<Boolean>,
@@ -503,9 +570,11 @@ private constructor(
             @JsonProperty("created_at")
             @ExcludeMissing
             createdAt: JsonField<String> = JsonMissing.of(),
-            @JsonProperty("inputs") @ExcludeMissing inputs: JsonValue = JsonMissing.of(),
-            @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
-            @JsonProperty("outputs") @ExcludeMissing outputs: JsonValue = JsonMissing.of(),
+            @JsonProperty("inputs") @ExcludeMissing inputs: JsonField<Inputs> = JsonMissing.of(),
+            @JsonProperty("metadata")
+            @ExcludeMissing
+            metadata: JsonField<Metadata> = JsonMissing.of(),
+            @JsonProperty("outputs") @ExcludeMissing outputs: JsonField<Outputs> = JsonMissing.of(),
             @JsonProperty("source_run_id")
             @ExcludeMissing
             sourceRunId: JsonField<String> = JsonMissing.of(),
@@ -552,11 +621,23 @@ private constructor(
          */
         fun createdAt(): Optional<String> = createdAt.getOptional("created_at")
 
-        @JsonProperty("inputs") @ExcludeMissing fun _inputs(): JsonValue = inputs
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun inputs(): Optional<Inputs> = inputs.getOptional("inputs")
 
-        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
-        @JsonProperty("outputs") @ExcludeMissing fun _outputs(): JsonValue = outputs
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun outputs(): Optional<Outputs> = outputs.getOptional("outputs")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -613,6 +694,27 @@ private constructor(
          */
         @JsonProperty("created_at") @ExcludeMissing fun _createdAt(): JsonField<String> = createdAt
 
+        /**
+         * Returns the raw JSON value of [inputs].
+         *
+         * Unlike [inputs], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("inputs") @ExcludeMissing fun _inputs(): JsonField<Inputs> = inputs
+
+        /**
+         * Returns the raw JSON value of [metadata].
+         *
+         * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
+        /**
+         * Returns the raw JSON value of [outputs].
+         *
+         * Unlike [outputs], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("outputs") @ExcludeMissing fun _outputs(): JsonField<Outputs> = outputs
+
         /**
          * Returns the raw JSON value of [sourceRunId].
          *
@@ -690,9 +792,9 @@ private constructor(
             private var datasetId: JsonField<String>? = null
             private var id: JsonField<String> = JsonMissing.of()
             private var createdAt: JsonField<String> = JsonMissing.of()
-            private var inputs: JsonValue = JsonMissing.of()
-            private var metadata: JsonValue = JsonMissing.of()
-            private var outputs: JsonValue = JsonMissing.of()
+            private var inputs: JsonField<Inputs> = JsonMissing.of()
+            private var metadata: JsonField<Metadata> = JsonMissing.of()
+            private var outputs: JsonField<Outputs> = JsonMissing.of()
             private var sourceRunId: JsonField<String> = JsonMissing.of()
             private var split: JsonField<Split> = JsonMissing.of()
             private var useLegacyMessageFormat: JsonField<Boolean> = JsonMissing.of()
@@ -752,11 +854,47 @@ private constructor(
              */
             fun createdAt(createdAt: JsonField<String>) = apply { this.createdAt = createdAt }
 
-            fun inputs(inputs: JsonValue) = apply { this.inputs = inputs }
+            fun inputs(inputs: Inputs?) = inputs(JsonField.ofNullable(inputs))
 
-            fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+            /** Alias for calling [Builder.inputs] with `inputs.orElse(null)`. */
+            fun inputs(inputs: Optional<Inputs>) = inputs(inputs.getOrNull())
 
-            fun outputs(outputs: JsonValue) = apply { this.outputs = outputs }
+            /**
+             * Sets [Builder.inputs] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.inputs] with a well-typed [Inputs] value instead.
+             * This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun inputs(inputs: JsonField<Inputs>) = apply { this.inputs = inputs }
+
+            fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+            /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+            fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+            /**
+             * Sets [Builder.metadata] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.metadata] with a well-typed [Metadata] value
+             * instead. This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
+
+            fun outputs(outputs: Outputs?) = outputs(JsonField.ofNullable(outputs))
+
+            /** Alias for calling [Builder.outputs] with `outputs.orElse(null)`. */
+            fun outputs(outputs: Optional<Outputs>) = outputs(outputs.getOrNull())
+
+            /**
+             * Sets [Builder.outputs] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.outputs] with a well-typed [Outputs] value instead.
+             * This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun outputs(outputs: JsonField<Outputs>) = apply { this.outputs = outputs }
 
             fun sourceRunId(sourceRunId: String?) = sourceRunId(JsonField.ofNullable(sourceRunId))
 
@@ -907,6 +1045,9 @@ private constructor(
             datasetId()
             id()
             createdAt()
+            inputs().ifPresent { it.validate() }
+            metadata().ifPresent { it.validate() }
+            outputs().ifPresent { it.validate() }
             sourceRunId()
             split().ifPresent { it.validate() }
             useLegacyMessageFormat()
@@ -934,6 +1075,9 @@ private constructor(
             (if (datasetId.asKnown().isPresent) 1 else 0) +
                 (if (id.asKnown().isPresent) 1 else 0) +
                 (if (createdAt.asKnown().isPresent) 1 else 0) +
+                (inputs.asKnown().getOrNull()?.validity() ?: 0) +
+                (metadata.asKnown().getOrNull()?.validity() ?: 0) +
+                (outputs.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (sourceRunId.asKnown().isPresent) 1 else 0) +
                 (split.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (useLegacyMessageFormat.asKnown().isPresent) 1 else 0) +
@@ -983,6 +1127,303 @@ private constructor(
             "Body{datasetId=$datasetId, id=$id, createdAt=$createdAt, inputs=$inputs, metadata=$metadata, outputs=$outputs, sourceRunId=$sourceRunId, split=$split, useLegacyMessageFormat=$useLegacyMessageFormat, useSourceRunAttachments=$useSourceRunAttachments, useSourceRunIo=$useSourceRunIo, additionalProperties=$additionalProperties}"
     }
 
+    class Inputs
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Inputs]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Inputs]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(inputs: Inputs) = apply {
+                additionalProperties = inputs.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Inputs].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Inputs = Inputs(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Inputs = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Inputs && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Inputs{additionalProperties=$additionalProperties}"
+    }
+
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
+
+    class Outputs
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Outputs]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Outputs]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(outputs: Outputs) = apply {
+                additionalProperties = outputs.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Outputs].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Outputs = Outputs(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Outputs = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Outputs && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Outputs{additionalProperties=$additionalProperties}"
+    }
+
     @JsonDeserialize(using = Split.Deserializer::class)
     @JsonSerialize(using = Split.Serializer::class)
     class Split

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/examples/ExampleUpdateParams.kt

@@ -54,11 +54,23 @@ private constructor(
      */
     fun datasetId(): Optional<String> = body.datasetId()
 
-    fun _inputs(): JsonValue = body._inputs()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun inputs(): Optional<Inputs> = body.inputs()
 
-    fun _metadata(): JsonValue = body._metadata()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = body.metadata()
 
-    fun _outputs(): JsonValue = body._outputs()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun outputs(): Optional<Outputs> = body.outputs()
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -87,6 +99,27 @@ private constructor(
      */
     fun _datasetId(): JsonField<String> = body._datasetId()
 
+    /**
+     * Returns the raw JSON value of [inputs].
+     *
+     * Unlike [inputs], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    fun _inputs(): JsonField<Inputs> = body._inputs()
+
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    fun _metadata(): JsonField<Metadata> = body._metadata()
+
+    /**
+     * Returns the raw JSON value of [outputs].
+     *
+     * Unlike [outputs], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    fun _outputs(): JsonField<Outputs> = body._outputs()
+
     /**
      * Returns the raw JSON value of [overwrite].
      *
@@ -190,11 +223,45 @@ private constructor(
          */
         fun datasetId(datasetId: JsonField<String>) = apply { body.datasetId(datasetId) }
 
-        fun inputs(inputs: JsonValue) = apply { body.inputs(inputs) }
+        fun inputs(inputs: Inputs?) = apply { body.inputs(inputs) }
 
-        fun metadata(metadata: JsonValue) = apply { body.metadata(metadata) }
+        /** Alias for calling [Builder.inputs] with `inputs.orElse(null)`. */
+        fun inputs(inputs: Optional<Inputs>) = inputs(inputs.getOrNull())
 
-        fun outputs(outputs: JsonValue) = apply { body.outputs(outputs) }
+        /**
+         * Sets [Builder.inputs] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.inputs] with a well-typed [Inputs] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun inputs(inputs: JsonField<Inputs>) = apply { body.inputs(inputs) }
+
+        fun metadata(metadata: Metadata?) = apply { body.metadata(metadata) }
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { body.metadata(metadata) }
+
+        fun outputs(outputs: Outputs?) = apply { body.outputs(outputs) }
+
+        /** Alias for calling [Builder.outputs] with `outputs.orElse(null)`. */
+        fun outputs(outputs: Optional<Outputs>) = outputs(outputs.getOrNull())
+
+        /**
+         * Sets [Builder.outputs] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.outputs] with a well-typed [Outputs] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun outputs(outputs: JsonField<Outputs>) = apply { body.outputs(outputs) }
 
         fun overwrite(overwrite: Boolean) = apply { body.overwrite(overwrite) }
 
@@ -375,9 +442,9 @@ private constructor(
     private constructor(
         private val attachmentsOperations: JsonField<AttachmentsOperations>,
         private val datasetId: JsonField<String>,
-        private val inputs: JsonValue,
-        private val metadata: JsonValue,
-        private val outputs: JsonValue,
+        private val inputs: JsonField<Inputs>,
+        private val metadata: JsonField<Metadata>,
+        private val outputs: JsonField<Outputs>,
         private val overwrite: JsonField<Boolean>,
         private val split: JsonField<Split>,
         private val additionalProperties: MutableMap<String, JsonValue>,
@@ -391,9 +458,11 @@ private constructor(
             @JsonProperty("dataset_id")
             @ExcludeMissing
             datasetId: JsonField<String> = JsonMissing.of(),
-            @JsonProperty("inputs") @ExcludeMissing inputs: JsonValue = JsonMissing.of(),
-            @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
-            @JsonProperty("outputs") @ExcludeMissing outputs: JsonValue = JsonMissing.of(),
+            @JsonProperty("inputs") @ExcludeMissing inputs: JsonField<Inputs> = JsonMissing.of(),
+            @JsonProperty("metadata")
+            @ExcludeMissing
+            metadata: JsonField<Metadata> = JsonMissing.of(),
+            @JsonProperty("outputs") @ExcludeMissing outputs: JsonField<Outputs> = JsonMissing.of(),
             @JsonProperty("overwrite")
             @ExcludeMissing
             overwrite: JsonField<Boolean> = JsonMissing.of(),
@@ -422,11 +491,23 @@ private constructor(
          */
         fun datasetId(): Optional<String> = datasetId.getOptional("dataset_id")
 
-        @JsonProperty("inputs") @ExcludeMissing fun _inputs(): JsonValue = inputs
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun inputs(): Optional<Inputs> = inputs.getOptional("inputs")
 
-        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
-        @JsonProperty("outputs") @ExcludeMissing fun _outputs(): JsonValue = outputs
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun outputs(): Optional<Outputs> = outputs.getOptional("outputs")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -457,6 +538,27 @@ private constructor(
          */
         @JsonProperty("dataset_id") @ExcludeMissing fun _datasetId(): JsonField<String> = datasetId
 
+        /**
+         * Returns the raw JSON value of [inputs].
+         *
+         * Unlike [inputs], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("inputs") @ExcludeMissing fun _inputs(): JsonField<Inputs> = inputs
+
+        /**
+         * Returns the raw JSON value of [metadata].
+         *
+         * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
+        /**
+         * Returns the raw JSON value of [outputs].
+         *
+         * Unlike [outputs], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("outputs") @ExcludeMissing fun _outputs(): JsonField<Outputs> = outputs
+
         /**
          * Returns the raw JSON value of [overwrite].
          *
@@ -494,9 +596,9 @@ private constructor(
 
             private var attachmentsOperations: JsonField<AttachmentsOperations> = JsonMissing.of()
             private var datasetId: JsonField<String> = JsonMissing.of()
-            private var inputs: JsonValue = JsonMissing.of()
-            private var metadata: JsonValue = JsonMissing.of()
-            private var outputs: JsonValue = JsonMissing.of()
+            private var inputs: JsonField<Inputs> = JsonMissing.of()
+            private var metadata: JsonField<Metadata> = JsonMissing.of()
+            private var outputs: JsonField<Outputs> = JsonMissing.of()
             private var overwrite: JsonField<Boolean> = JsonMissing.of()
             private var split: JsonField<Split> = JsonMissing.of()
             private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
@@ -549,11 +651,47 @@ private constructor(
              */
             fun datasetId(datasetId: JsonField<String>) = apply { this.datasetId = datasetId }
 
-            fun inputs(inputs: JsonValue) = apply { this.inputs = inputs }
+            fun inputs(inputs: Inputs?) = inputs(JsonField.ofNullable(inputs))
 
-            fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+            /** Alias for calling [Builder.inputs] with `inputs.orElse(null)`. */
+            fun inputs(inputs: Optional<Inputs>) = inputs(inputs.getOrNull())
 
-            fun outputs(outputs: JsonValue) = apply { this.outputs = outputs }
+            /**
+             * Sets [Builder.inputs] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.inputs] with a well-typed [Inputs] value instead.
+             * This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun inputs(inputs: JsonField<Inputs>) = apply { this.inputs = inputs }
+
+            fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+            /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+            fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+            /**
+             * Sets [Builder.metadata] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.metadata] with a well-typed [Metadata] value
+             * instead. This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
+
+            fun outputs(outputs: Outputs?) = outputs(JsonField.ofNullable(outputs))
+
+            /** Alias for calling [Builder.outputs] with `outputs.orElse(null)`. */
+            fun outputs(outputs: Optional<Outputs>) = outputs(outputs.getOrNull())
+
+            /**
+             * Sets [Builder.outputs] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.outputs] with a well-typed [Outputs] value instead.
+             * This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun outputs(outputs: JsonField<Outputs>) = apply { this.outputs = outputs }
 
             fun overwrite(overwrite: Boolean) = overwrite(JsonField.of(overwrite))
 
@@ -632,6 +770,9 @@ private constructor(
 
             attachmentsOperations().ifPresent { it.validate() }
             datasetId()
+            inputs().ifPresent { it.validate() }
+            metadata().ifPresent { it.validate() }
+            outputs().ifPresent { it.validate() }
             overwrite()
             split().ifPresent { it.validate() }
             validated = true
@@ -655,6 +796,9 @@ private constructor(
         internal fun validity(): Int =
             (attachmentsOperations.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (datasetId.asKnown().isPresent) 1 else 0) +
+                (inputs.asKnown().getOrNull()?.validity() ?: 0) +
+                (metadata.asKnown().getOrNull()?.validity() ?: 0) +
+                (outputs.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (overwrite.asKnown().isPresent) 1 else 0) +
                 (split.asKnown().getOrNull()?.validity() ?: 0)
 
@@ -693,6 +837,303 @@ private constructor(
             "Body{attachmentsOperations=$attachmentsOperations, datasetId=$datasetId, inputs=$inputs, metadata=$metadata, outputs=$outputs, overwrite=$overwrite, split=$split, additionalProperties=$additionalProperties}"
     }
 
+    class Inputs
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Inputs]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Inputs]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(inputs: Inputs) = apply {
+                additionalProperties = inputs.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Inputs].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Inputs = Inputs(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Inputs = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Inputs && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Inputs{additionalProperties=$additionalProperties}"
+    }
+
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
+
+    class Outputs
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Outputs]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Outputs]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(outputs: Outputs) = apply {
+                additionalProperties = outputs.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Outputs].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Outputs = Outputs(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Outputs = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Outputs && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Outputs{additionalProperties=$additionalProperties}"
+    }
+
     @JsonDeserialize(using = Split.Deserializer::class)
     @JsonSerialize(using = Split.Serializer::class)
     class Split

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/examples/bulk/BulkCreateParams.kt

@@ -222,9 +222,9 @@ private constructor(
         private val datasetId: JsonField<String>,
         private val id: JsonField<String>,
         private val createdAt: JsonField<String>,
-        private val inputs: JsonValue,
-        private val metadata: JsonValue,
-        private val outputs: JsonValue,
+        private val inputs: JsonField<Inputs>,
+        private val metadata: JsonField<Metadata>,
+        private val outputs: JsonField<Outputs>,
         private val sourceRunId: JsonField<String>,
         private val split: JsonField<Split>,
         private val useLegacyMessageFormat: JsonField<Boolean>,
@@ -242,9 +242,11 @@ private constructor(
             @JsonProperty("created_at")
             @ExcludeMissing
             createdAt: JsonField<String> = JsonMissing.of(),
-            @JsonProperty("inputs") @ExcludeMissing inputs: JsonValue = JsonMissing.of(),
-            @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
-            @JsonProperty("outputs") @ExcludeMissing outputs: JsonValue = JsonMissing.of(),
+            @JsonProperty("inputs") @ExcludeMissing inputs: JsonField<Inputs> = JsonMissing.of(),
+            @JsonProperty("metadata")
+            @ExcludeMissing
+            metadata: JsonField<Metadata> = JsonMissing.of(),
+            @JsonProperty("outputs") @ExcludeMissing outputs: JsonField<Outputs> = JsonMissing.of(),
             @JsonProperty("source_run_id")
             @ExcludeMissing
             sourceRunId: JsonField<String> = JsonMissing.of(),
@@ -291,11 +293,23 @@ private constructor(
          */
         fun createdAt(): Optional<String> = createdAt.getOptional("created_at")
 
-        @JsonProperty("inputs") @ExcludeMissing fun _inputs(): JsonValue = inputs
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun inputs(): Optional<Inputs> = inputs.getOptional("inputs")
 
-        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
-        @JsonProperty("outputs") @ExcludeMissing fun _outputs(): JsonValue = outputs
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun outputs(): Optional<Outputs> = outputs.getOptional("outputs")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -352,6 +366,27 @@ private constructor(
          */
         @JsonProperty("created_at") @ExcludeMissing fun _createdAt(): JsonField<String> = createdAt
 
+        /**
+         * Returns the raw JSON value of [inputs].
+         *
+         * Unlike [inputs], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("inputs") @ExcludeMissing fun _inputs(): JsonField<Inputs> = inputs
+
+        /**
+         * Returns the raw JSON value of [metadata].
+         *
+         * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
+        /**
+         * Returns the raw JSON value of [outputs].
+         *
+         * Unlike [outputs], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("outputs") @ExcludeMissing fun _outputs(): JsonField<Outputs> = outputs
+
         /**
          * Returns the raw JSON value of [sourceRunId].
          *
@@ -429,9 +464,9 @@ private constructor(
             private var datasetId: JsonField<String>? = null
             private var id: JsonField<String> = JsonMissing.of()
             private var createdAt: JsonField<String> = JsonMissing.of()
-            private var inputs: JsonValue = JsonMissing.of()
-            private var metadata: JsonValue = JsonMissing.of()
-            private var outputs: JsonValue = JsonMissing.of()
+            private var inputs: JsonField<Inputs> = JsonMissing.of()
+            private var metadata: JsonField<Metadata> = JsonMissing.of()
+            private var outputs: JsonField<Outputs> = JsonMissing.of()
             private var sourceRunId: JsonField<String> = JsonMissing.of()
             private var split: JsonField<Split> = JsonMissing.of()
             private var useLegacyMessageFormat: JsonField<Boolean> = JsonMissing.of()
@@ -494,11 +529,47 @@ private constructor(
              */
             fun createdAt(createdAt: JsonField<String>) = apply { this.createdAt = createdAt }
 
-            fun inputs(inputs: JsonValue) = apply { this.inputs = inputs }
+            fun inputs(inputs: Inputs?) = inputs(JsonField.ofNullable(inputs))
 
-            fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+            /** Alias for calling [Builder.inputs] with `inputs.orElse(null)`. */
+            fun inputs(inputs: Optional<Inputs>) = inputs(inputs.getOrNull())
 
-            fun outputs(outputs: JsonValue) = apply { this.outputs = outputs }
+            /**
+             * Sets [Builder.inputs] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.inputs] with a well-typed [Inputs] value instead.
+             * This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun inputs(inputs: JsonField<Inputs>) = apply { this.inputs = inputs }
+
+            fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+            /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+            fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+            /**
+             * Sets [Builder.metadata] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.metadata] with a well-typed [Metadata] value
+             * instead. This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
+
+            fun outputs(outputs: Outputs?) = outputs(JsonField.ofNullable(outputs))
+
+            /** Alias for calling [Builder.outputs] with `outputs.orElse(null)`. */
+            fun outputs(outputs: Optional<Outputs>) = outputs(outputs.getOrNull())
+
+            /**
+             * Sets [Builder.outputs] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.outputs] with a well-typed [Outputs] value instead.
+             * This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun outputs(outputs: JsonField<Outputs>) = apply { this.outputs = outputs }
 
             fun sourceRunId(sourceRunId: String?) = sourceRunId(JsonField.ofNullable(sourceRunId))
 
@@ -649,6 +720,9 @@ private constructor(
             datasetId()
             id()
             createdAt()
+            inputs().ifPresent { it.validate() }
+            metadata().ifPresent { it.validate() }
+            outputs().ifPresent { it.validate() }
             sourceRunId()
             split().ifPresent { it.validate() }
             useLegacyMessageFormat()
@@ -676,12 +750,321 @@ private constructor(
             (if (datasetId.asKnown().isPresent) 1 else 0) +
                 (if (id.asKnown().isPresent) 1 else 0) +
                 (if (createdAt.asKnown().isPresent) 1 else 0) +
+                (inputs.asKnown().getOrNull()?.validity() ?: 0) +
+                (metadata.asKnown().getOrNull()?.validity() ?: 0) +
+                (outputs.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (sourceRunId.asKnown().isPresent) 1 else 0) +
                 (split.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (useLegacyMessageFormat.asKnown().isPresent) 1 else 0) +
                 (useSourceRunAttachments.asKnown().getOrNull()?.size ?: 0) +
                 (if (useSourceRunIo.asKnown().isPresent) 1 else 0)
 
+        class Inputs
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [Inputs]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [Inputs]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(inputs: Inputs) = apply {
+                    additionalProperties = inputs.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [Inputs].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): Inputs = Inputs(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): Inputs = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is Inputs && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "Inputs{additionalProperties=$additionalProperties}"
+        }
+
+        class Metadata
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [Metadata]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [Metadata]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(metadata: Metadata) = apply {
+                    additionalProperties = metadata.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [Metadata].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): Metadata = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is Metadata && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+        }
+
+        class Outputs
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [Outputs]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [Outputs]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(outputs: Outputs) = apply {
+                    additionalProperties = outputs.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [Outputs].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): Outputs = Outputs(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): Outputs = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is Outputs && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "Outputs{additionalProperties=$additionalProperties}"
+        }
+
         @JsonDeserialize(using = Split.Deserializer::class)
         @JsonSerialize(using = Split.Serializer::class)
         class Split

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/examples/bulk/BulkPatchAllParams.kt

@@ -223,9 +223,9 @@ private constructor(
         private val id: JsonField<String>,
         private val attachmentsOperations: JsonField<AttachmentsOperations>,
         private val datasetId: JsonField<String>,
-        private val inputs: JsonValue,
-        private val metadata: JsonValue,
-        private val outputs: JsonValue,
+        private val inputs: JsonField<Inputs>,
+        private val metadata: JsonField<Metadata>,
+        private val outputs: JsonField<Outputs>,
         private val overwrite: JsonField<Boolean>,
         private val split: JsonField<Split>,
         private val additionalProperties: MutableMap<String, JsonValue>,
@@ -240,9 +240,11 @@ private constructor(
             @JsonProperty("dataset_id")
             @ExcludeMissing
             datasetId: JsonField<String> = JsonMissing.of(),
-            @JsonProperty("inputs") @ExcludeMissing inputs: JsonValue = JsonMissing.of(),
-            @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
-            @JsonProperty("outputs") @ExcludeMissing outputs: JsonValue = JsonMissing.of(),
+            @JsonProperty("inputs") @ExcludeMissing inputs: JsonField<Inputs> = JsonMissing.of(),
+            @JsonProperty("metadata")
+            @ExcludeMissing
+            metadata: JsonField<Metadata> = JsonMissing.of(),
+            @JsonProperty("outputs") @ExcludeMissing outputs: JsonField<Outputs> = JsonMissing.of(),
             @JsonProperty("overwrite")
             @ExcludeMissing
             overwrite: JsonField<Boolean> = JsonMissing.of(),
@@ -278,11 +280,23 @@ private constructor(
          */
         fun datasetId(): Optional<String> = datasetId.getOptional("dataset_id")
 
-        @JsonProperty("inputs") @ExcludeMissing fun _inputs(): JsonValue = inputs
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun inputs(): Optional<Inputs> = inputs.getOptional("inputs")
 
-        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
-        @JsonProperty("outputs") @ExcludeMissing fun _outputs(): JsonValue = outputs
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun outputs(): Optional<Outputs> = outputs.getOptional("outputs")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -320,6 +334,27 @@ private constructor(
          */
         @JsonProperty("dataset_id") @ExcludeMissing fun _datasetId(): JsonField<String> = datasetId
 
+        /**
+         * Returns the raw JSON value of [inputs].
+         *
+         * Unlike [inputs], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("inputs") @ExcludeMissing fun _inputs(): JsonField<Inputs> = inputs
+
+        /**
+         * Returns the raw JSON value of [metadata].
+         *
+         * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
+        /**
+         * Returns the raw JSON value of [outputs].
+         *
+         * Unlike [outputs], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("outputs") @ExcludeMissing fun _outputs(): JsonField<Outputs> = outputs
+
         /**
          * Returns the raw JSON value of [overwrite].
          *
@@ -365,9 +400,9 @@ private constructor(
             private var id: JsonField<String>? = null
             private var attachmentsOperations: JsonField<AttachmentsOperations> = JsonMissing.of()
             private var datasetId: JsonField<String> = JsonMissing.of()
-            private var inputs: JsonValue = JsonMissing.of()
-            private var metadata: JsonValue = JsonMissing.of()
-            private var outputs: JsonValue = JsonMissing.of()
+            private var inputs: JsonField<Inputs> = JsonMissing.of()
+            private var metadata: JsonField<Metadata> = JsonMissing.of()
+            private var outputs: JsonField<Outputs> = JsonMissing.of()
             private var overwrite: JsonField<Boolean> = JsonMissing.of()
             private var split: JsonField<Split> = JsonMissing.of()
             private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
@@ -432,11 +467,47 @@ private constructor(
              */
             fun datasetId(datasetId: JsonField<String>) = apply { this.datasetId = datasetId }
 
-            fun inputs(inputs: JsonValue) = apply { this.inputs = inputs }
+            fun inputs(inputs: Inputs?) = inputs(JsonField.ofNullable(inputs))
 
-            fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+            /** Alias for calling [Builder.inputs] with `inputs.orElse(null)`. */
+            fun inputs(inputs: Optional<Inputs>) = inputs(inputs.getOrNull())
 
-            fun outputs(outputs: JsonValue) = apply { this.outputs = outputs }
+            /**
+             * Sets [Builder.inputs] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.inputs] with a well-typed [Inputs] value instead.
+             * This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun inputs(inputs: JsonField<Inputs>) = apply { this.inputs = inputs }
+
+            fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+            /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+            fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+            /**
+             * Sets [Builder.metadata] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.metadata] with a well-typed [Metadata] value
+             * instead. This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
+
+            fun outputs(outputs: Outputs?) = outputs(JsonField.ofNullable(outputs))
+
+            /** Alias for calling [Builder.outputs] with `outputs.orElse(null)`. */
+            fun outputs(outputs: Optional<Outputs>) = outputs(outputs.getOrNull())
+
+            /**
+             * Sets [Builder.outputs] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.outputs] with a well-typed [Outputs] value instead.
+             * This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun outputs(outputs: JsonField<Outputs>) = apply { this.outputs = outputs }
 
             fun overwrite(overwrite: Boolean) = overwrite(JsonField.of(overwrite))
 
@@ -524,6 +595,9 @@ private constructor(
             id()
             attachmentsOperations().ifPresent { it.validate() }
             datasetId()
+            inputs().ifPresent { it.validate() }
+            metadata().ifPresent { it.validate() }
+            outputs().ifPresent { it.validate() }
             overwrite()
             split().ifPresent { it.validate() }
             validated = true
@@ -548,9 +622,318 @@ private constructor(
             (if (id.asKnown().isPresent) 1 else 0) +
                 (attachmentsOperations.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (datasetId.asKnown().isPresent) 1 else 0) +
+                (inputs.asKnown().getOrNull()?.validity() ?: 0) +
+                (metadata.asKnown().getOrNull()?.validity() ?: 0) +
+                (outputs.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (overwrite.asKnown().isPresent) 1 else 0) +
                 (split.asKnown().getOrNull()?.validity() ?: 0)
 
+        class Inputs
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [Inputs]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [Inputs]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(inputs: Inputs) = apply {
+                    additionalProperties = inputs.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [Inputs].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): Inputs = Inputs(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): Inputs = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is Inputs && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "Inputs{additionalProperties=$additionalProperties}"
+        }
+
+        class Metadata
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [Metadata]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [Metadata]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(metadata: Metadata) = apply {
+                    additionalProperties = metadata.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [Metadata].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): Metadata = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is Metadata && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+        }
+
+        class Outputs
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [Outputs]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [Outputs]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(outputs: Outputs) = apply {
+                    additionalProperties = outputs.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [Outputs].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): Outputs = Outputs(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): Outputs = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is Outputs && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "Outputs{additionalProperties=$additionalProperties}"
+        }
+
         @JsonDeserialize(using = Split.Deserializer::class)
         @JsonSerialize(using = Split.Serializer::class)
         class Split

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/examples/validate/ExampleValidationResult.kt

@@ -36,9 +36,9 @@ private constructor(
     private val id: JsonField<String>,
     private val createdAt: JsonField<OffsetDateTime>,
     private val datasetId: JsonField<String>,
-    private val inputs: JsonValue,
-    private val metadata: JsonValue,
-    private val outputs: JsonValue,
+    private val inputs: JsonField<Inputs>,
+    private val metadata: JsonField<Metadata>,
+    private val outputs: JsonField<Outputs>,
     private val overwrite: JsonField<Boolean>,
     private val sourceRunId: JsonField<String>,
     private val split: JsonField<Split>,
@@ -53,9 +53,9 @@ private constructor(
         @ExcludeMissing
         createdAt: JsonField<OffsetDateTime> = JsonMissing.of(),
         @JsonProperty("dataset_id") @ExcludeMissing datasetId: JsonField<String> = JsonMissing.of(),
-        @JsonProperty("inputs") @ExcludeMissing inputs: JsonValue = JsonMissing.of(),
-        @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
-        @JsonProperty("outputs") @ExcludeMissing outputs: JsonValue = JsonMissing.of(),
+        @JsonProperty("inputs") @ExcludeMissing inputs: JsonField<Inputs> = JsonMissing.of(),
+        @JsonProperty("metadata") @ExcludeMissing metadata: JsonField<Metadata> = JsonMissing.of(),
+        @JsonProperty("outputs") @ExcludeMissing outputs: JsonField<Outputs> = JsonMissing.of(),
         @JsonProperty("overwrite") @ExcludeMissing overwrite: JsonField<Boolean> = JsonMissing.of(),
         @JsonProperty("source_run_id")
         @ExcludeMissing
@@ -96,11 +96,23 @@ private constructor(
      */
     fun datasetId(): Optional<String> = datasetId.getOptional("dataset_id")
 
-    @JsonProperty("inputs") @ExcludeMissing fun _inputs(): JsonValue = inputs
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun inputs(): Optional<Inputs> = inputs.getOptional("inputs")
 
-    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
-    @JsonProperty("outputs") @ExcludeMissing fun _outputs(): JsonValue = outputs
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun outputs(): Optional<Outputs> = outputs.getOptional("outputs")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -149,6 +161,27 @@ private constructor(
      */
     @JsonProperty("dataset_id") @ExcludeMissing fun _datasetId(): JsonField<String> = datasetId
 
+    /**
+     * Returns the raw JSON value of [inputs].
+     *
+     * Unlike [inputs], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("inputs") @ExcludeMissing fun _inputs(): JsonField<Inputs> = inputs
+
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
+    /**
+     * Returns the raw JSON value of [outputs].
+     *
+     * Unlike [outputs], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("outputs") @ExcludeMissing fun _outputs(): JsonField<Outputs> = outputs
+
     /**
      * Returns the raw JSON value of [overwrite].
      *
@@ -205,9 +238,9 @@ private constructor(
         private var id: JsonField<String> = JsonMissing.of()
         private var createdAt: JsonField<OffsetDateTime> = JsonMissing.of()
         private var datasetId: JsonField<String> = JsonMissing.of()
-        private var inputs: JsonValue = JsonMissing.of()
-        private var metadata: JsonValue = JsonMissing.of()
-        private var outputs: JsonValue = JsonMissing.of()
+        private var inputs: JsonField<Inputs> = JsonMissing.of()
+        private var metadata: JsonField<Metadata> = JsonMissing.of()
+        private var outputs: JsonField<Outputs> = JsonMissing.of()
         private var overwrite: JsonField<Boolean> = JsonMissing.of()
         private var sourceRunId: JsonField<String> = JsonMissing.of()
         private var split: JsonField<Split> = JsonMissing.of()
@@ -270,11 +303,45 @@ private constructor(
          */
         fun datasetId(datasetId: JsonField<String>) = apply { this.datasetId = datasetId }
 
-        fun inputs(inputs: JsonValue) = apply { this.inputs = inputs }
+        fun inputs(inputs: Inputs?) = inputs(JsonField.ofNullable(inputs))
 
-        fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+        /** Alias for calling [Builder.inputs] with `inputs.orElse(null)`. */
+        fun inputs(inputs: Optional<Inputs>) = inputs(inputs.getOrNull())
 
-        fun outputs(outputs: JsonValue) = apply { this.outputs = outputs }
+        /**
+         * Sets [Builder.inputs] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.inputs] with a well-typed [Inputs] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun inputs(inputs: JsonField<Inputs>) = apply { this.inputs = inputs }
+
+        fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
+
+        fun outputs(outputs: Outputs?) = outputs(JsonField.ofNullable(outputs))
+
+        /** Alias for calling [Builder.outputs] with `outputs.orElse(null)`. */
+        fun outputs(outputs: Optional<Outputs>) = outputs(outputs.getOrNull())
+
+        /**
+         * Sets [Builder.outputs] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.outputs] with a well-typed [Outputs] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun outputs(outputs: JsonField<Outputs>) = apply { this.outputs = outputs }
 
         fun overwrite(overwrite: Boolean) = overwrite(JsonField.of(overwrite))
 
@@ -383,6 +450,9 @@ private constructor(
         id()
         createdAt()
         datasetId()
+        inputs().ifPresent { it.validate() }
+        metadata().ifPresent { it.validate() }
+        outputs().ifPresent { it.validate() }
         overwrite()
         sourceRunId()
         split().ifPresent { it.validate() }
@@ -408,11 +478,311 @@ private constructor(
         (if (id.asKnown().isPresent) 1 else 0) +
             (if (createdAt.asKnown().isPresent) 1 else 0) +
             (if (datasetId.asKnown().isPresent) 1 else 0) +
+            (inputs.asKnown().getOrNull()?.validity() ?: 0) +
+            (metadata.asKnown().getOrNull()?.validity() ?: 0) +
+            (outputs.asKnown().getOrNull()?.validity() ?: 0) +
             (if (overwrite.asKnown().isPresent) 1 else 0) +
             (if (sourceRunId.asKnown().isPresent) 1 else 0) +
             (split.asKnown().getOrNull()?.validity() ?: 0) +
             (if (useSourceRunIo.asKnown().isPresent) 1 else 0)
 
+    class Inputs
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Inputs]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Inputs]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(inputs: Inputs) = apply {
+                additionalProperties = inputs.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Inputs].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Inputs = Inputs(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Inputs = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Inputs && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Inputs{additionalProperties=$additionalProperties}"
+    }
+
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
+
+    class Outputs
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Outputs]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Outputs]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(outputs: Outputs) = apply {
+                additionalProperties = outputs.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Outputs].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Outputs = Outputs(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Outputs = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Outputs && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Outputs{additionalProperties=$additionalProperties}"
+    }
+
     @JsonDeserialize(using = Split.Deserializer::class)
     @JsonSerialize(using = Split.Serializer::class)
     class Split

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/feedback/ApiFeedbackSource.kt

@@ -11,6 +11,7 @@ import com.langchain.smith.core.ExcludeMissing
 import com.langchain.smith.core.JsonField
 import com.langchain.smith.core.JsonMissing
 import com.langchain.smith.core.JsonValue
+import com.langchain.smith.core.toImmutable
 import com.langchain.smith.errors.LangChainInvalidDataException
 import java.util.Collections
 import java.util.Objects
@@ -21,18 +22,22 @@ import kotlin.jvm.optionals.getOrNull
 class ApiFeedbackSource
 @JsonCreator(mode = JsonCreator.Mode.DISABLED)
 private constructor(
-    private val metadata: JsonValue,
+    private val metadata: JsonField<Metadata>,
     private val type: JsonField<Type>,
     private val additionalProperties: MutableMap<String, JsonValue>,
 ) {
 
     @JsonCreator
     private constructor(
-        @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+        @JsonProperty("metadata") @ExcludeMissing metadata: JsonField<Metadata> = JsonMissing.of(),
         @JsonProperty("type") @ExcludeMissing type: JsonField<Type> = JsonMissing.of(),
     ) : this(metadata, type, mutableMapOf())
 
-    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -40,6 +45,13 @@ private constructor(
      */
     fun type(): Optional<Type> = type.getOptional("type")
 
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
     /**
      * Returns the raw JSON value of [type].
      *
@@ -68,7 +80,7 @@ private constructor(
     /** A builder for [ApiFeedbackSource]. */
     class Builder internal constructor() {
 
-        private var metadata: JsonValue = JsonMissing.of()
+        private var metadata: JsonField<Metadata> = JsonMissing.of()
         private var type: JsonField<Type> = JsonMissing.of()
         private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
@@ -79,7 +91,19 @@ private constructor(
             additionalProperties = apiFeedbackSource.additionalProperties.toMutableMap()
         }
 
-        fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+        fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
         fun type(type: Type) = type(JsonField.of(type))
 
@@ -126,6 +150,7 @@ private constructor(
             return@apply
         }
 
+        metadata().ifPresent { it.validate() }
         type().ifPresent { it.validate() }
         validated = true
     }
@@ -143,7 +168,109 @@ private constructor(
      *
      * Used for best match union deserialization.
      */
-    @JvmSynthetic internal fun validity(): Int = (type.asKnown().getOrNull()?.validity() ?: 0)
+    @JvmSynthetic
+    internal fun validity(): Int =
+        (metadata.asKnown().getOrNull()?.validity() ?: 0) +
+            (type.asKnown().getOrNull()?.validity() ?: 0)
+
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
 
     class Type @JsonCreator private constructor(private val value: JsonField<String>) : Enum {
 

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/feedback/AppFeedbackSource.kt

@@ -11,6 +11,7 @@ import com.langchain.smith.core.ExcludeMissing
 import com.langchain.smith.core.JsonField
 import com.langchain.smith.core.JsonMissing
 import com.langchain.smith.core.JsonValue
+import com.langchain.smith.core.toImmutable
 import com.langchain.smith.errors.LangChainInvalidDataException
 import java.util.Collections
 import java.util.Objects
@@ -21,18 +22,22 @@ import kotlin.jvm.optionals.getOrNull
 class AppFeedbackSource
 @JsonCreator(mode = JsonCreator.Mode.DISABLED)
 private constructor(
-    private val metadata: JsonValue,
+    private val metadata: JsonField<Metadata>,
     private val type: JsonField<Type>,
     private val additionalProperties: MutableMap<String, JsonValue>,
 ) {
 
     @JsonCreator
     private constructor(
-        @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+        @JsonProperty("metadata") @ExcludeMissing metadata: JsonField<Metadata> = JsonMissing.of(),
         @JsonProperty("type") @ExcludeMissing type: JsonField<Type> = JsonMissing.of(),
     ) : this(metadata, type, mutableMapOf())
 
-    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -40,6 +45,13 @@ private constructor(
      */
     fun type(): Optional<Type> = type.getOptional("type")
 
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
     /**
      * Returns the raw JSON value of [type].
      *
@@ -68,7 +80,7 @@ private constructor(
     /** A builder for [AppFeedbackSource]. */
     class Builder internal constructor() {
 
-        private var metadata: JsonValue = JsonMissing.of()
+        private var metadata: JsonField<Metadata> = JsonMissing.of()
         private var type: JsonField<Type> = JsonMissing.of()
         private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
@@ -79,7 +91,19 @@ private constructor(
             additionalProperties = appFeedbackSource.additionalProperties.toMutableMap()
         }
 
-        fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+        fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
         fun type(type: Type) = type(JsonField.of(type))
 
@@ -126,6 +150,7 @@ private constructor(
             return@apply
         }
 
+        metadata().ifPresent { it.validate() }
         type().ifPresent { it.validate() }
         validated = true
     }
@@ -143,7 +168,109 @@ private constructor(
      *
      * Used for best match union deserialization.
      */
-    @JvmSynthetic internal fun validity(): Int = (type.asKnown().getOrNull()?.validity() ?: 0)
+    @JvmSynthetic
+    internal fun validity(): Int =
+        (metadata.asKnown().getOrNull()?.validity() ?: 0) +
+            (type.asKnown().getOrNull()?.validity() ?: 0)
+
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
 
     class Type @JsonCreator private constructor(private val value: JsonField<String>) : Enum {
 

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/feedback/AutoEvalFeedbackSource.kt

@@ -11,6 +11,7 @@ import com.langchain.smith.core.ExcludeMissing
 import com.langchain.smith.core.JsonField
 import com.langchain.smith.core.JsonMissing
 import com.langchain.smith.core.JsonValue
+import com.langchain.smith.core.toImmutable
 import com.langchain.smith.errors.LangChainInvalidDataException
 import java.util.Collections
 import java.util.Objects
@@ -21,18 +22,22 @@ import kotlin.jvm.optionals.getOrNull
 class AutoEvalFeedbackSource
 @JsonCreator(mode = JsonCreator.Mode.DISABLED)
 private constructor(
-    private val metadata: JsonValue,
+    private val metadata: JsonField<Metadata>,
     private val type: JsonField<Type>,
     private val additionalProperties: MutableMap<String, JsonValue>,
 ) {
 
     @JsonCreator
     private constructor(
-        @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+        @JsonProperty("metadata") @ExcludeMissing metadata: JsonField<Metadata> = JsonMissing.of(),
         @JsonProperty("type") @ExcludeMissing type: JsonField<Type> = JsonMissing.of(),
     ) : this(metadata, type, mutableMapOf())
 
-    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -40,6 +45,13 @@ private constructor(
      */
     fun type(): Optional<Type> = type.getOptional("type")
 
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
     /**
      * Returns the raw JSON value of [type].
      *
@@ -68,7 +80,7 @@ private constructor(
     /** A builder for [AutoEvalFeedbackSource]. */
     class Builder internal constructor() {
 
-        private var metadata: JsonValue = JsonMissing.of()
+        private var metadata: JsonField<Metadata> = JsonMissing.of()
         private var type: JsonField<Type> = JsonMissing.of()
         private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
@@ -79,7 +91,19 @@ private constructor(
             additionalProperties = autoEvalFeedbackSource.additionalProperties.toMutableMap()
         }
 
-        fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+        fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
         fun type(type: Type) = type(JsonField.of(type))
 
@@ -126,6 +150,7 @@ private constructor(
             return@apply
         }
 
+        metadata().ifPresent { it.validate() }
         type().ifPresent { it.validate() }
         validated = true
     }
@@ -143,7 +168,109 @@ private constructor(
      *
      * Used for best match union deserialization.
      */
-    @JvmSynthetic internal fun validity(): Int = (type.asKnown().getOrNull()?.validity() ?: 0)
+    @JvmSynthetic
+    internal fun validity(): Int =
+        (metadata.asKnown().getOrNull()?.validity() ?: 0) +
+            (type.asKnown().getOrNull()?.validity() ?: 0)
+
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
 
     class Type @JsonCreator private constructor(private val value: JsonField<String>) : Enum {
 

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/feedback/FeedbackCreateSchema.kt

@@ -468,8 +468,9 @@ private constructor(
          */
         fun correction(correction: JsonField<Correction>) = apply { this.correction = correction }
 
-        /** Alias for calling [correction] with `Correction.ofJsonValue(jsonValue)`. */
-        fun correction(jsonValue: JsonValue) = correction(Correction.ofJsonValue(jsonValue))
+        /** Alias for calling [correction] with `Correction.ofUnionMember0(unionMember0)`. */
+        fun correction(unionMember0: Correction.UnionMember0) =
+            correction(Correction.ofUnionMember0(unionMember0))
 
         /** Alias for calling [correction] with `Correction.ofString(string)`. */
         fun correction(string: String) = correction(Correction.ofString(string))
@@ -668,8 +669,8 @@ private constructor(
         /** Alias for calling [value] with `Value.ofString(string)`. */
         fun value(string: String) = value(Value.ofString(string))
 
-        /** Alias for calling [value] with `Value.ofJson(json)`. */
-        fun value(json: JsonValue) = value(Value.ofJson(json))
+        /** Alias for calling [value] with `Value.ofUnionMember3(unionMember3)`. */
+        fun value(unionMember3: Value.UnionMember3) = value(Value.ofUnionMember3(unionMember3))
 
         fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
             this.additionalProperties.clear()
@@ -786,20 +787,20 @@ private constructor(
     @JsonSerialize(using = Correction.Serializer::class)
     class Correction
     private constructor(
-        private val jsonValue: JsonValue? = null,
+        private val unionMember0: UnionMember0? = null,
         private val string: String? = null,
         private val _json: JsonValue? = null,
     ) {
 
-        fun jsonValue(): Optional<JsonValue> = Optional.ofNullable(jsonValue)
+        fun unionMember0(): Optional<UnionMember0> = Optional.ofNullable(unionMember0)
 
         fun string(): Optional<String> = Optional.ofNullable(string)
 
-        fun isJsonValue(): Boolean = jsonValue != null
+        fun isUnionMember0(): Boolean = unionMember0 != null
 
         fun isString(): Boolean = string != null
 
-        fun asJsonValue(): JsonValue = jsonValue.getOrThrow("jsonValue")
+        fun asUnionMember0(): UnionMember0 = unionMember0.getOrThrow("unionMember0")
 
         fun asString(): String = string.getOrThrow("string")
 
@@ -807,7 +808,7 @@ private constructor(
 
         fun <T> accept(visitor: Visitor<T>): T =
             when {
-                jsonValue != null -> visitor.visitJsonValue(jsonValue)
+                unionMember0 != null -> visitor.visitUnionMember0(unionMember0)
                 string != null -> visitor.visitString(string)
                 else -> visitor.unknown(_json)
             }
@@ -821,7 +822,9 @@ private constructor(
 
             accept(
                 object : Visitor<Unit> {
-                    override fun visitJsonValue(jsonValue: JsonValue) {}
+                    override fun visitUnionMember0(unionMember0: UnionMember0) {
+                        unionMember0.validate()
+                    }
 
                     override fun visitString(string: String) {}
                 }
@@ -847,7 +850,8 @@ private constructor(
         internal fun validity(): Int =
             accept(
                 object : Visitor<Int> {
-                    override fun visitJsonValue(jsonValue: JsonValue) = 1
+                    override fun visitUnionMember0(unionMember0: UnionMember0) =
+                        unionMember0.validity()
 
                     override fun visitString(string: String) = 1
 
@@ -860,14 +864,16 @@ private constructor(
                 return true
             }
 
-            return other is Correction && jsonValue == other.jsonValue && string == other.string
+            return other is Correction &&
+                unionMember0 == other.unionMember0 &&
+                string == other.string
         }
 
-        override fun hashCode(): Int = Objects.hash(jsonValue, string)
+        override fun hashCode(): Int = Objects.hash(unionMember0, string)
 
         override fun toString(): String =
             when {
-                jsonValue != null -> "Correction{jsonValue=$jsonValue}"
+                unionMember0 != null -> "Correction{unionMember0=$unionMember0}"
                 string != null -> "Correction{string=$string}"
                 _json != null -> "Correction{_unknown=$_json}"
                 else -> throw IllegalStateException("Invalid Correction")
@@ -875,7 +881,8 @@ private constructor(
 
         companion object {
 
-            @JvmStatic fun ofJsonValue(jsonValue: JsonValue) = Correction(jsonValue = jsonValue)
+            @JvmStatic
+            fun ofUnionMember0(unionMember0: UnionMember0) = Correction(unionMember0 = unionMember0)
 
             @JvmStatic fun ofString(string: String) = Correction(string = string)
         }
@@ -885,7 +892,7 @@ private constructor(
          */
         interface Visitor<out T> {
 
-            fun visitJsonValue(jsonValue: JsonValue): T
+            fun visitUnionMember0(unionMember0: UnionMember0): T
 
             fun visitString(string: String): T
 
@@ -911,19 +918,19 @@ private constructor(
 
                 val bestMatches =
                     sequenceOf(
+                            tryDeserialize(node, jacksonTypeRef<UnionMember0>())?.let {
+                                Correction(unionMember0 = it, _json = json)
+                            },
                             tryDeserialize(node, jacksonTypeRef<String>())?.let {
                                 Correction(string = it, _json = json)
                             },
-                            tryDeserialize(node, jacksonTypeRef<JsonValue>())?.let {
-                                Correction(jsonValue = it, _json = json)
-                            },
                         )
                         .filterNotNull()
                         .allMaxBy { it.validity() }
                         .toList()
                 return when (bestMatches.size) {
                     // This can happen if what we're deserializing is completely incompatible with
-                    // all the possible variants.
+                    // all the possible variants (e.g. deserializing from array).
                     0 -> Correction(_json = json)
                     1 -> bestMatches.single()
                     // If there's more than one match with the highest validity, then use the first
@@ -942,13 +949,115 @@ private constructor(
                 provider: SerializerProvider,
             ) {
                 when {
-                    value.jsonValue != null -> generator.writeObject(value.jsonValue)
+                    value.unionMember0 != null -> generator.writeObject(value.unionMember0)
                     value.string != null -> generator.writeObject(value.string)
                     value._json != null -> generator.writeObject(value._json)
                     else -> throw IllegalStateException("Invalid Correction")
                 }
             }
         }
+
+        class UnionMember0
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [UnionMember0]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [UnionMember0]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(unionMember0: UnionMember0) = apply {
+                    additionalProperties = unionMember0.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [UnionMember0].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): UnionMember0 = UnionMember0(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): UnionMember0 = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is UnionMember0 && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "UnionMember0{additionalProperties=$additionalProperties}"
+        }
     }
 
     class FeedbackConfig
@@ -1999,7 +2108,7 @@ private constructor(
         private val number: Double? = null,
         private val bool: Boolean? = null,
         private val string: String? = null,
-        private val json: JsonValue? = null,
+        private val unionMember3: UnionMember3? = null,
         private val _json: JsonValue? = null,
     ) {
 
@@ -2009,7 +2118,7 @@ private constructor(
 
         fun string(): Optional<String> = Optional.ofNullable(string)
 
-        fun json(): Optional<JsonValue> = Optional.ofNullable(json)
+        fun unionMember3(): Optional<UnionMember3> = Optional.ofNullable(unionMember3)
 
         fun isNumber(): Boolean = number != null
 
@@ -2017,7 +2126,7 @@ private constructor(
 
         fun isString(): Boolean = string != null
 
-        fun isJson(): Boolean = json != null
+        fun isUnionMember3(): Boolean = unionMember3 != null
 
         fun asNumber(): Double = number.getOrThrow("number")
 
@@ -2025,7 +2134,7 @@ private constructor(
 
         fun asString(): String = string.getOrThrow("string")
 
-        fun asJson(): JsonValue = json.getOrThrow("json")
+        fun asUnionMember3(): UnionMember3 = unionMember3.getOrThrow("unionMember3")
 
         fun _json(): Optional<JsonValue> = Optional.ofNullable(_json)
 
@@ -2034,7 +2143,7 @@ private constructor(
                 number != null -> visitor.visitNumber(number)
                 bool != null -> visitor.visitBool(bool)
                 string != null -> visitor.visitString(string)
-                json != null -> visitor.visitJson(json)
+                unionMember3 != null -> visitor.visitUnionMember3(unionMember3)
                 else -> visitor.unknown(_json)
             }
 
@@ -2053,7 +2162,9 @@ private constructor(
 
                     override fun visitString(string: String) {}
 
-                    override fun visitJson(json: JsonValue) {}
+                    override fun visitUnionMember3(unionMember3: UnionMember3) {
+                        unionMember3.validate()
+                    }
                 }
             )
             validated = true
@@ -2083,7 +2194,8 @@ private constructor(
 
                     override fun visitString(string: String) = 1
 
-                    override fun visitJson(json: JsonValue) = 1
+                    override fun visitUnionMember3(unionMember3: UnionMember3) =
+                        unionMember3.validity()
 
                     override fun unknown(json: JsonValue?) = 0
                 }
@@ -2098,17 +2210,17 @@ private constructor(
                 number == other.number &&
                 bool == other.bool &&
                 string == other.string &&
-                json == other.json
+                unionMember3 == other.unionMember3
         }
 
-        override fun hashCode(): Int = Objects.hash(number, bool, string, json)
+        override fun hashCode(): Int = Objects.hash(number, bool, string, unionMember3)
 
         override fun toString(): String =
             when {
                 number != null -> "Value{number=$number}"
                 bool != null -> "Value{bool=$bool}"
                 string != null -> "Value{string=$string}"
-                json != null -> "Value{json=$json}"
+                unionMember3 != null -> "Value{unionMember3=$unionMember3}"
                 _json != null -> "Value{_unknown=$_json}"
                 else -> throw IllegalStateException("Invalid Value")
             }
@@ -2121,7 +2233,8 @@ private constructor(
 
             @JvmStatic fun ofString(string: String) = Value(string = string)
 
-            @JvmStatic fun ofJson(json: JsonValue) = Value(json = json)
+            @JvmStatic
+            fun ofUnionMember3(unionMember3: UnionMember3) = Value(unionMember3 = unionMember3)
         }
 
         /** An interface that defines how to map each variant of [Value] to a value of type [T]. */
@@ -2133,7 +2246,7 @@ private constructor(
 
             fun visitString(string: String): T
 
-            fun visitJson(json: JsonValue): T
+            fun visitUnionMember3(unionMember3: UnionMember3): T
 
             /**
              * Maps an unknown variant of [Value] to a value of type [T].
@@ -2157,6 +2270,9 @@ private constructor(
 
                 val bestMatches =
                     sequenceOf(
+                            tryDeserialize(node, jacksonTypeRef<UnionMember3>())?.let {
+                                Value(unionMember3 = it, _json = json)
+                            },
                             tryDeserialize(node, jacksonTypeRef<Double>())?.let {
                                 Value(number = it, _json = json)
                             },
@@ -2166,16 +2282,13 @@ private constructor(
                             tryDeserialize(node, jacksonTypeRef<String>())?.let {
                                 Value(string = it, _json = json)
                             },
-                            tryDeserialize(node, jacksonTypeRef<JsonValue>())?.let {
-                                Value(json = it, _json = json)
-                            },
                         )
                         .filterNotNull()
                         .allMaxBy { it.validity() }
                         .toList()
                 return when (bestMatches.size) {
                     // This can happen if what we're deserializing is completely incompatible with
-                    // all the possible variants.
+                    // all the possible variants (e.g. deserializing from array).
                     0 -> Value(_json = json)
                     1 -> bestMatches.single()
                     // If there's more than one match with the highest validity, then use the first
@@ -2197,12 +2310,114 @@ private constructor(
                     value.number != null -> generator.writeObject(value.number)
                     value.bool != null -> generator.writeObject(value.bool)
                     value.string != null -> generator.writeObject(value.string)
-                    value.json != null -> generator.writeObject(value.json)
+                    value.unionMember3 != null -> generator.writeObject(value.unionMember3)
                     value._json != null -> generator.writeObject(value._json)
                     else -> throw IllegalStateException("Invalid Value")
                 }
             }
         }
+
+        class UnionMember3
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [UnionMember3]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [UnionMember3]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(unionMember3: UnionMember3) = apply {
+                    additionalProperties = unionMember3.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [UnionMember3].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): UnionMember3 = UnionMember3(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): UnionMember3 = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is UnionMember3 && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "UnionMember3{additionalProperties=$additionalProperties}"
+        }
     }
 
     override fun equals(other: Any?): Boolean {

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/feedback/FeedbackSchema.kt

@@ -22,6 +22,7 @@ import com.langchain.smith.core.JsonValue
 import com.langchain.smith.core.allMaxBy
 import com.langchain.smith.core.checkRequired
 import com.langchain.smith.core.getOrThrow
+import com.langchain.smith.core.toImmutable
 import com.langchain.smith.errors.LangChainInvalidDataException
 import java.time.OffsetDateTime
 import java.util.Collections
@@ -39,7 +40,7 @@ private constructor(
     private val comparativeExperimentId: JsonField<String>,
     private val correction: JsonField<Correction>,
     private val createdAt: JsonField<OffsetDateTime>,
-    private val extra: JsonValue,
+    private val extra: JsonField<Extra>,
     private val feedbackGroupId: JsonField<String>,
     private val feedbackSource: JsonField<FeedbackSource>,
     private val feedbackThreadId: JsonField<String>,
@@ -67,7 +68,7 @@ private constructor(
         @JsonProperty("created_at")
         @ExcludeMissing
         createdAt: JsonField<OffsetDateTime> = JsonMissing.of(),
-        @JsonProperty("extra") @ExcludeMissing extra: JsonValue = JsonMissing.of(),
+        @JsonProperty("extra") @ExcludeMissing extra: JsonField<Extra> = JsonMissing.of(),
         @JsonProperty("feedback_group_id")
         @ExcludeMissing
         feedbackGroupId: JsonField<String> = JsonMissing.of(),
@@ -146,7 +147,11 @@ private constructor(
      */
     fun createdAt(): Optional<OffsetDateTime> = createdAt.getOptional("created_at")
 
-    @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonValue = extra
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun extra(): Optional<Extra> = extra.getOptional("extra")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -259,6 +264,13 @@ private constructor(
     @ExcludeMissing
     fun _createdAt(): JsonField<OffsetDateTime> = createdAt
 
+    /**
+     * Returns the raw JSON value of [extra].
+     *
+     * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonField<Extra> = extra
+
     /**
      * Returns the raw JSON value of [feedbackGroupId].
      *
@@ -375,7 +387,7 @@ private constructor(
         private var comparativeExperimentId: JsonField<String> = JsonMissing.of()
         private var correction: JsonField<Correction> = JsonMissing.of()
         private var createdAt: JsonField<OffsetDateTime> = JsonMissing.of()
-        private var extra: JsonValue = JsonMissing.of()
+        private var extra: JsonField<Extra> = JsonMissing.of()
         private var feedbackGroupId: JsonField<String> = JsonMissing.of()
         private var feedbackSource: JsonField<FeedbackSource> = JsonMissing.of()
         private var feedbackThreadId: JsonField<String> = JsonMissing.of()
@@ -478,8 +490,9 @@ private constructor(
          */
         fun correction(correction: JsonField<Correction>) = apply { this.correction = correction }
 
-        /** Alias for calling [correction] with `Correction.ofJsonValue(jsonValue)`. */
-        fun correction(jsonValue: JsonValue) = correction(Correction.ofJsonValue(jsonValue))
+        /** Alias for calling [correction] with `Correction.ofUnionMember0(unionMember0)`. */
+        fun correction(unionMember0: Correction.UnionMember0) =
+            correction(Correction.ofUnionMember0(unionMember0))
 
         /** Alias for calling [correction] with `Correction.ofString(string)`. */
         fun correction(string: String) = correction(Correction.ofString(string))
@@ -495,7 +508,18 @@ private constructor(
          */
         fun createdAt(createdAt: JsonField<OffsetDateTime>) = apply { this.createdAt = createdAt }
 
-        fun extra(extra: JsonValue) = apply { this.extra = extra }
+        fun extra(extra: Extra?) = extra(JsonField.ofNullable(extra))
+
+        /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+        fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
+
+        /**
+         * Sets [Builder.extra] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.extra] with a well-typed [Extra] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun extra(extra: JsonField<Extra>) = apply { this.extra = extra }
 
         fun feedbackGroupId(feedbackGroupId: String?) =
             feedbackGroupId(JsonField.ofNullable(feedbackGroupId))
@@ -660,8 +684,8 @@ private constructor(
         /** Alias for calling [value] with `Value.ofString(string)`. */
         fun value(string: String) = value(Value.ofString(string))
 
-        /** Alias for calling [value] with `Value.ofJson(json)`. */
-        fun value(json: JsonValue) = value(Value.ofJson(json))
+        /** Alias for calling [value] with `Value.ofUnionMember3(unionMember3)`. */
+        fun value(unionMember3: Value.UnionMember3) = value(Value.ofUnionMember3(unionMember3))
 
         fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
             this.additionalProperties.clear()
@@ -731,6 +755,7 @@ private constructor(
         comparativeExperimentId()
         correction().ifPresent { it.validate() }
         createdAt()
+        extra().ifPresent { it.validate() }
         feedbackGroupId()
         feedbackSource().ifPresent { it.validate() }
         feedbackThreadId()
@@ -765,6 +790,7 @@ private constructor(
             (if (comparativeExperimentId.asKnown().isPresent) 1 else 0) +
             (correction.asKnown().getOrNull()?.validity() ?: 0) +
             (if (createdAt.asKnown().isPresent) 1 else 0) +
+            (extra.asKnown().getOrNull()?.validity() ?: 0) +
             (if (feedbackGroupId.asKnown().isPresent) 1 else 0) +
             (feedbackSource.asKnown().getOrNull()?.validity() ?: 0) +
             (if (feedbackThreadId.asKnown().isPresent) 1 else 0) +
@@ -780,20 +806,20 @@ private constructor(
     @JsonSerialize(using = Correction.Serializer::class)
     class Correction
     private constructor(
-        private val jsonValue: JsonValue? = null,
+        private val unionMember0: UnionMember0? = null,
         private val string: String? = null,
         private val _json: JsonValue? = null,
     ) {
 
-        fun jsonValue(): Optional<JsonValue> = Optional.ofNullable(jsonValue)
+        fun unionMember0(): Optional<UnionMember0> = Optional.ofNullable(unionMember0)
 
         fun string(): Optional<String> = Optional.ofNullable(string)
 
-        fun isJsonValue(): Boolean = jsonValue != null
+        fun isUnionMember0(): Boolean = unionMember0 != null
 
         fun isString(): Boolean = string != null
 
-        fun asJsonValue(): JsonValue = jsonValue.getOrThrow("jsonValue")
+        fun asUnionMember0(): UnionMember0 = unionMember0.getOrThrow("unionMember0")
 
         fun asString(): String = string.getOrThrow("string")
 
@@ -801,7 +827,7 @@ private constructor(
 
         fun <T> accept(visitor: Visitor<T>): T =
             when {
-                jsonValue != null -> visitor.visitJsonValue(jsonValue)
+                unionMember0 != null -> visitor.visitUnionMember0(unionMember0)
                 string != null -> visitor.visitString(string)
                 else -> visitor.unknown(_json)
             }
@@ -815,7 +841,9 @@ private constructor(
 
             accept(
                 object : Visitor<Unit> {
-                    override fun visitJsonValue(jsonValue: JsonValue) {}
+                    override fun visitUnionMember0(unionMember0: UnionMember0) {
+                        unionMember0.validate()
+                    }
 
                     override fun visitString(string: String) {}
                 }
@@ -841,7 +869,8 @@ private constructor(
         internal fun validity(): Int =
             accept(
                 object : Visitor<Int> {
-                    override fun visitJsonValue(jsonValue: JsonValue) = 1
+                    override fun visitUnionMember0(unionMember0: UnionMember0) =
+                        unionMember0.validity()
 
                     override fun visitString(string: String) = 1
 
@@ -854,14 +883,16 @@ private constructor(
                 return true
             }
 
-            return other is Correction && jsonValue == other.jsonValue && string == other.string
+            return other is Correction &&
+                unionMember0 == other.unionMember0 &&
+                string == other.string
         }
 
-        override fun hashCode(): Int = Objects.hash(jsonValue, string)
+        override fun hashCode(): Int = Objects.hash(unionMember0, string)
 
         override fun toString(): String =
             when {
-                jsonValue != null -> "Correction{jsonValue=$jsonValue}"
+                unionMember0 != null -> "Correction{unionMember0=$unionMember0}"
                 string != null -> "Correction{string=$string}"
                 _json != null -> "Correction{_unknown=$_json}"
                 else -> throw IllegalStateException("Invalid Correction")
@@ -869,7 +900,8 @@ private constructor(
 
         companion object {
 
-            @JvmStatic fun ofJsonValue(jsonValue: JsonValue) = Correction(jsonValue = jsonValue)
+            @JvmStatic
+            fun ofUnionMember0(unionMember0: UnionMember0) = Correction(unionMember0 = unionMember0)
 
             @JvmStatic fun ofString(string: String) = Correction(string = string)
         }
@@ -879,7 +911,7 @@ private constructor(
          */
         interface Visitor<out T> {
 
-            fun visitJsonValue(jsonValue: JsonValue): T
+            fun visitUnionMember0(unionMember0: UnionMember0): T
 
             fun visitString(string: String): T
 
@@ -905,19 +937,19 @@ private constructor(
 
                 val bestMatches =
                     sequenceOf(
+                            tryDeserialize(node, jacksonTypeRef<UnionMember0>())?.let {
+                                Correction(unionMember0 = it, _json = json)
+                            },
                             tryDeserialize(node, jacksonTypeRef<String>())?.let {
                                 Correction(string = it, _json = json)
                             },
-                            tryDeserialize(node, jacksonTypeRef<JsonValue>())?.let {
-                                Correction(jsonValue = it, _json = json)
-                            },
                         )
                         .filterNotNull()
                         .allMaxBy { it.validity() }
                         .toList()
                 return when (bestMatches.size) {
                     // This can happen if what we're deserializing is completely incompatible with
-                    // all the possible variants.
+                    // all the possible variants (e.g. deserializing from array).
                     0 -> Correction(_json = json)
                     1 -> bestMatches.single()
                     // If there's more than one match with the highest validity, then use the first
@@ -936,13 +968,214 @@ private constructor(
                 provider: SerializerProvider,
             ) {
                 when {
-                    value.jsonValue != null -> generator.writeObject(value.jsonValue)
+                    value.unionMember0 != null -> generator.writeObject(value.unionMember0)
                     value.string != null -> generator.writeObject(value.string)
                     value._json != null -> generator.writeObject(value._json)
                     else -> throw IllegalStateException("Invalid Correction")
                 }
             }
         }
+
+        class UnionMember0
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [UnionMember0]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [UnionMember0]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(unionMember0: UnionMember0) = apply {
+                    additionalProperties = unionMember0.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [UnionMember0].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): UnionMember0 = UnionMember0(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): UnionMember0 = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is UnionMember0 && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "UnionMember0{additionalProperties=$additionalProperties}"
+        }
+    }
+
+    class Extra
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Extra]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Extra]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(extra: Extra) = apply {
+                additionalProperties = extra.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Extra].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Extra = Extra(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Extra = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Extra && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Extra{additionalProperties=$additionalProperties}"
     }
 
     /** The feedback source loaded from the database. */
@@ -950,7 +1183,7 @@ private constructor(
     @JsonCreator(mode = JsonCreator.Mode.DISABLED)
     private constructor(
         private val lsUserId: JsonField<String>,
-        private val metadata: JsonValue,
+        private val metadata: JsonField<Metadata>,
         private val type: JsonField<String>,
         private val userId: JsonField<String>,
         private val userName: JsonField<String>,
@@ -962,7 +1195,9 @@ private constructor(
             @JsonProperty("ls_user_id")
             @ExcludeMissing
             lsUserId: JsonField<String> = JsonMissing.of(),
-            @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+            @JsonProperty("metadata")
+            @ExcludeMissing
+            metadata: JsonField<Metadata> = JsonMissing.of(),
             @JsonProperty("type") @ExcludeMissing type: JsonField<String> = JsonMissing.of(),
             @JsonProperty("user_id") @ExcludeMissing userId: JsonField<String> = JsonMissing.of(),
             @JsonProperty("user_name")
@@ -976,7 +1211,11 @@ private constructor(
          */
         fun lsUserId(): Optional<String> = lsUserId.getOptional("ls_user_id")
 
-        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -1003,6 +1242,13 @@ private constructor(
          */
         @JsonProperty("ls_user_id") @ExcludeMissing fun _lsUserId(): JsonField<String> = lsUserId
 
+        /**
+         * Returns the raw JSON value of [metadata].
+         *
+         * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
         /**
          * Returns the raw JSON value of [type].
          *
@@ -1046,7 +1292,7 @@ private constructor(
         class Builder internal constructor() {
 
             private var lsUserId: JsonField<String> = JsonMissing.of()
-            private var metadata: JsonValue = JsonMissing.of()
+            private var metadata: JsonField<Metadata> = JsonMissing.of()
             private var type: JsonField<String> = JsonMissing.of()
             private var userId: JsonField<String> = JsonMissing.of()
             private var userName: JsonField<String> = JsonMissing.of()
@@ -1076,7 +1322,19 @@ private constructor(
              */
             fun lsUserId(lsUserId: JsonField<String>) = apply { this.lsUserId = lsUserId }
 
-            fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+            fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+            /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+            fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+            /**
+             * Sets [Builder.metadata] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.metadata] with a well-typed [Metadata] value
+             * instead. This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
             fun type(type: String?) = type(JsonField.ofNullable(type))
 
@@ -1163,6 +1421,7 @@ private constructor(
             }
 
             lsUserId()
+            metadata().ifPresent { it.validate() }
             type()
             userId()
             userName()
@@ -1186,10 +1445,113 @@ private constructor(
         @JvmSynthetic
         internal fun validity(): Int =
             (if (lsUserId.asKnown().isPresent) 1 else 0) +
+                (metadata.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (type.asKnown().isPresent) 1 else 0) +
                 (if (userId.asKnown().isPresent) 1 else 0) +
                 (if (userName.asKnown().isPresent) 1 else 0)
 
+        class Metadata
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [Metadata]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [Metadata]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(metadata: Metadata) = apply {
+                    additionalProperties = metadata.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [Metadata].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): Metadata = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is Metadata && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+        }
+
         override fun equals(other: Any?): Boolean {
             if (this === other) {
                 return true
@@ -1388,7 +1750,7 @@ private constructor(
         private val number: Double? = null,
         private val bool: Boolean? = null,
         private val string: String? = null,
-        private val json: JsonValue? = null,
+        private val unionMember3: UnionMember3? = null,
         private val _json: JsonValue? = null,
     ) {
 
@@ -1398,7 +1760,7 @@ private constructor(
 
         fun string(): Optional<String> = Optional.ofNullable(string)
 
-        fun json(): Optional<JsonValue> = Optional.ofNullable(json)
+        fun unionMember3(): Optional<UnionMember3> = Optional.ofNullable(unionMember3)
 
         fun isNumber(): Boolean = number != null
 
@@ -1406,7 +1768,7 @@ private constructor(
 
         fun isString(): Boolean = string != null
 
-        fun isJson(): Boolean = json != null
+        fun isUnionMember3(): Boolean = unionMember3 != null
 
         fun asNumber(): Double = number.getOrThrow("number")
 
@@ -1414,7 +1776,7 @@ private constructor(
 
         fun asString(): String = string.getOrThrow("string")
 
-        fun asJson(): JsonValue = json.getOrThrow("json")
+        fun asUnionMember3(): UnionMember3 = unionMember3.getOrThrow("unionMember3")
 
         fun _json(): Optional<JsonValue> = Optional.ofNullable(_json)
 
@@ -1423,7 +1785,7 @@ private constructor(
                 number != null -> visitor.visitNumber(number)
                 bool != null -> visitor.visitBool(bool)
                 string != null -> visitor.visitString(string)
-                json != null -> visitor.visitJson(json)
+                unionMember3 != null -> visitor.visitUnionMember3(unionMember3)
                 else -> visitor.unknown(_json)
             }
 
@@ -1442,7 +1804,9 @@ private constructor(
 
                     override fun visitString(string: String) {}
 
-                    override fun visitJson(json: JsonValue) {}
+                    override fun visitUnionMember3(unionMember3: UnionMember3) {
+                        unionMember3.validate()
+                    }
                 }
             )
             validated = true
@@ -1472,7 +1836,8 @@ private constructor(
 
                     override fun visitString(string: String) = 1
 
-                    override fun visitJson(json: JsonValue) = 1
+                    override fun visitUnionMember3(unionMember3: UnionMember3) =
+                        unionMember3.validity()
 
                     override fun unknown(json: JsonValue?) = 0
                 }
@@ -1487,17 +1852,17 @@ private constructor(
                 number == other.number &&
                 bool == other.bool &&
                 string == other.string &&
-                json == other.json
+                unionMember3 == other.unionMember3
         }
 
-        override fun hashCode(): Int = Objects.hash(number, bool, string, json)
+        override fun hashCode(): Int = Objects.hash(number, bool, string, unionMember3)
 
         override fun toString(): String =
             when {
                 number != null -> "Value{number=$number}"
                 bool != null -> "Value{bool=$bool}"
                 string != null -> "Value{string=$string}"
-                json != null -> "Value{json=$json}"
+                unionMember3 != null -> "Value{unionMember3=$unionMember3}"
                 _json != null -> "Value{_unknown=$_json}"
                 else -> throw IllegalStateException("Invalid Value")
             }
@@ -1510,7 +1875,8 @@ private constructor(
 
             @JvmStatic fun ofString(string: String) = Value(string = string)
 
-            @JvmStatic fun ofJson(json: JsonValue) = Value(json = json)
+            @JvmStatic
+            fun ofUnionMember3(unionMember3: UnionMember3) = Value(unionMember3 = unionMember3)
         }
 
         /** An interface that defines how to map each variant of [Value] to a value of type [T]. */
@@ -1522,7 +1888,7 @@ private constructor(
 
             fun visitString(string: String): T
 
-            fun visitJson(json: JsonValue): T
+            fun visitUnionMember3(unionMember3: UnionMember3): T
 
             /**
              * Maps an unknown variant of [Value] to a value of type [T].
@@ -1546,6 +1912,9 @@ private constructor(
 
                 val bestMatches =
                     sequenceOf(
+                            tryDeserialize(node, jacksonTypeRef<UnionMember3>())?.let {
+                                Value(unionMember3 = it, _json = json)
+                            },
                             tryDeserialize(node, jacksonTypeRef<Double>())?.let {
                                 Value(number = it, _json = json)
                             },
@@ -1555,16 +1924,13 @@ private constructor(
                             tryDeserialize(node, jacksonTypeRef<String>())?.let {
                                 Value(string = it, _json = json)
                             },
-                            tryDeserialize(node, jacksonTypeRef<JsonValue>())?.let {
-                                Value(json = it, _json = json)
-                            },
                         )
                         .filterNotNull()
                         .allMaxBy { it.validity() }
                         .toList()
                 return when (bestMatches.size) {
                     // This can happen if what we're deserializing is completely incompatible with
-                    // all the possible variants.
+                    // all the possible variants (e.g. deserializing from array).
                     0 -> Value(_json = json)
                     1 -> bestMatches.single()
                     // If there's more than one match with the highest validity, then use the first
@@ -1586,12 +1952,114 @@ private constructor(
                     value.number != null -> generator.writeObject(value.number)
                     value.bool != null -> generator.writeObject(value.bool)
                     value.string != null -> generator.writeObject(value.string)
-                    value.json != null -> generator.writeObject(value.json)
+                    value.unionMember3 != null -> generator.writeObject(value.unionMember3)
                     value._json != null -> generator.writeObject(value._json)
                     else -> throw IllegalStateException("Invalid Value")
                 }
             }
         }
+
+        class UnionMember3
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [UnionMember3]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [UnionMember3]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(unionMember3: UnionMember3) = apply {
+                    additionalProperties = unionMember3.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [UnionMember3].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): UnionMember3 = UnionMember3(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): UnionMember3 = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is UnionMember3 && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "UnionMember3{additionalProperties=$additionalProperties}"
+        }
     }
 
     override fun equals(other: Any?): Boolean {

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/feedback/FeedbackUpdateParams.kt

@@ -190,8 +190,10 @@ private constructor(
          */
         fun correction(correction: JsonField<Correction>) = apply { body.correction(correction) }
 
-        /** Alias for calling [correction] with `Correction.ofJsonValue(jsonValue)`. */
-        fun correction(jsonValue: JsonValue) = apply { body.correction(jsonValue) }
+        /** Alias for calling [correction] with `Correction.ofUnionMember0(unionMember0)`. */
+        fun correction(unionMember0: Correction.UnionMember0) = apply {
+            body.correction(unionMember0)
+        }
 
         /** Alias for calling [correction] with `Correction.ofString(string)`. */
         fun correction(string: String) = apply { body.correction(string) }
@@ -256,8 +258,8 @@ private constructor(
         /** Alias for calling [value] with `Value.ofString(string)`. */
         fun value(string: String) = apply { body.value(string) }
 
-        /** Alias for calling [value] with `Value.ofJson(json)`. */
-        fun value(json: JsonValue) = apply { body.value(json) }
+        /** Alias for calling [value] with `Value.ofUnionMember3(unionMember3)`. */
+        fun value(unionMember3: Value.UnionMember3) = apply { body.value(unionMember3) }
 
         fun additionalBodyProperties(additionalBodyProperties: Map<String, JsonValue>) = apply {
             body.additionalProperties(additionalBodyProperties)
@@ -566,8 +568,9 @@ private constructor(
                 this.correction = correction
             }
 
-            /** Alias for calling [correction] with `Correction.ofJsonValue(jsonValue)`. */
-            fun correction(jsonValue: JsonValue) = correction(Correction.ofJsonValue(jsonValue))
+            /** Alias for calling [correction] with `Correction.ofUnionMember0(unionMember0)`. */
+            fun correction(unionMember0: Correction.UnionMember0) =
+                correction(Correction.ofUnionMember0(unionMember0))
 
             /** Alias for calling [correction] with `Correction.ofString(string)`. */
             fun correction(string: String) = correction(Correction.ofString(string))
@@ -633,8 +636,8 @@ private constructor(
             /** Alias for calling [value] with `Value.ofString(string)`. */
             fun value(string: String) = value(Value.ofString(string))
 
-            /** Alias for calling [value] with `Value.ofJson(json)`. */
-            fun value(json: JsonValue) = value(Value.ofJson(json))
+            /** Alias for calling [value] with `Value.ofUnionMember3(unionMember3)`. */
+            fun value(unionMember3: Value.UnionMember3) = value(Value.ofUnionMember3(unionMember3))
 
             fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
                 this.additionalProperties.clear()
@@ -736,20 +739,20 @@ private constructor(
     @JsonSerialize(using = Correction.Serializer::class)
     class Correction
     private constructor(
-        private val jsonValue: JsonValue? = null,
+        private val unionMember0: UnionMember0? = null,
         private val string: String? = null,
         private val _json: JsonValue? = null,
     ) {
 
-        fun jsonValue(): Optional<JsonValue> = Optional.ofNullable(jsonValue)
+        fun unionMember0(): Optional<UnionMember0> = Optional.ofNullable(unionMember0)
 
         fun string(): Optional<String> = Optional.ofNullable(string)
 
-        fun isJsonValue(): Boolean = jsonValue != null
+        fun isUnionMember0(): Boolean = unionMember0 != null
 
         fun isString(): Boolean = string != null
 
-        fun asJsonValue(): JsonValue = jsonValue.getOrThrow("jsonValue")
+        fun asUnionMember0(): UnionMember0 = unionMember0.getOrThrow("unionMember0")
 
         fun asString(): String = string.getOrThrow("string")
 
@@ -757,7 +760,7 @@ private constructor(
 
         fun <T> accept(visitor: Visitor<T>): T =
             when {
-                jsonValue != null -> visitor.visitJsonValue(jsonValue)
+                unionMember0 != null -> visitor.visitUnionMember0(unionMember0)
                 string != null -> visitor.visitString(string)
                 else -> visitor.unknown(_json)
             }
@@ -771,7 +774,9 @@ private constructor(
 
             accept(
                 object : Visitor<Unit> {
-                    override fun visitJsonValue(jsonValue: JsonValue) {}
+                    override fun visitUnionMember0(unionMember0: UnionMember0) {
+                        unionMember0.validate()
+                    }
 
                     override fun visitString(string: String) {}
                 }
@@ -797,7 +802,8 @@ private constructor(
         internal fun validity(): Int =
             accept(
                 object : Visitor<Int> {
-                    override fun visitJsonValue(jsonValue: JsonValue) = 1
+                    override fun visitUnionMember0(unionMember0: UnionMember0) =
+                        unionMember0.validity()
 
                     override fun visitString(string: String) = 1
 
@@ -810,14 +816,16 @@ private constructor(
                 return true
             }
 
-            return other is Correction && jsonValue == other.jsonValue && string == other.string
+            return other is Correction &&
+                unionMember0 == other.unionMember0 &&
+                string == other.string
         }
 
-        override fun hashCode(): Int = Objects.hash(jsonValue, string)
+        override fun hashCode(): Int = Objects.hash(unionMember0, string)
 
         override fun toString(): String =
             when {
-                jsonValue != null -> "Correction{jsonValue=$jsonValue}"
+                unionMember0 != null -> "Correction{unionMember0=$unionMember0}"
                 string != null -> "Correction{string=$string}"
                 _json != null -> "Correction{_unknown=$_json}"
                 else -> throw IllegalStateException("Invalid Correction")
@@ -825,7 +833,8 @@ private constructor(
 
         companion object {
 
-            @JvmStatic fun ofJsonValue(jsonValue: JsonValue) = Correction(jsonValue = jsonValue)
+            @JvmStatic
+            fun ofUnionMember0(unionMember0: UnionMember0) = Correction(unionMember0 = unionMember0)
 
             @JvmStatic fun ofString(string: String) = Correction(string = string)
         }
@@ -835,7 +844,7 @@ private constructor(
          */
         interface Visitor<out T> {
 
-            fun visitJsonValue(jsonValue: JsonValue): T
+            fun visitUnionMember0(unionMember0: UnionMember0): T
 
             fun visitString(string: String): T
 
@@ -861,19 +870,19 @@ private constructor(
 
                 val bestMatches =
                     sequenceOf(
+                            tryDeserialize(node, jacksonTypeRef<UnionMember0>())?.let {
+                                Correction(unionMember0 = it, _json = json)
+                            },
                             tryDeserialize(node, jacksonTypeRef<String>())?.let {
                                 Correction(string = it, _json = json)
                             },
-                            tryDeserialize(node, jacksonTypeRef<JsonValue>())?.let {
-                                Correction(jsonValue = it, _json = json)
-                            },
                         )
                         .filterNotNull()
                         .allMaxBy { it.validity() }
                         .toList()
                 return when (bestMatches.size) {
                     // This can happen if what we're deserializing is completely incompatible with
-                    // all the possible variants.
+                    // all the possible variants (e.g. deserializing from array).
                     0 -> Correction(_json = json)
                     1 -> bestMatches.single()
                     // If there's more than one match with the highest validity, then use the first
@@ -892,13 +901,115 @@ private constructor(
                 provider: SerializerProvider,
             ) {
                 when {
-                    value.jsonValue != null -> generator.writeObject(value.jsonValue)
+                    value.unionMember0 != null -> generator.writeObject(value.unionMember0)
                     value.string != null -> generator.writeObject(value.string)
                     value._json != null -> generator.writeObject(value._json)
                     else -> throw IllegalStateException("Invalid Correction")
                 }
             }
         }
+
+        class UnionMember0
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [UnionMember0]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [UnionMember0]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(unionMember0: UnionMember0) = apply {
+                    additionalProperties = unionMember0.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [UnionMember0].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): UnionMember0 = UnionMember0(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): UnionMember0 = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is UnionMember0 && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "UnionMember0{additionalProperties=$additionalProperties}"
+        }
     }
 
     class FeedbackConfig
@@ -1709,7 +1820,7 @@ private constructor(
         private val number: Double? = null,
         private val bool: Boolean? = null,
         private val string: String? = null,
-        private val json: JsonValue? = null,
+        private val unionMember3: UnionMember3? = null,
         private val _json: JsonValue? = null,
     ) {
 
@@ -1719,7 +1830,7 @@ private constructor(
 
         fun string(): Optional<String> = Optional.ofNullable(string)
 
-        fun json(): Optional<JsonValue> = Optional.ofNullable(json)
+        fun unionMember3(): Optional<UnionMember3> = Optional.ofNullable(unionMember3)
 
         fun isNumber(): Boolean = number != null
 
@@ -1727,7 +1838,7 @@ private constructor(
 
         fun isString(): Boolean = string != null
 
-        fun isJson(): Boolean = json != null
+        fun isUnionMember3(): Boolean = unionMember3 != null
 
         fun asNumber(): Double = number.getOrThrow("number")
 
@@ -1735,7 +1846,7 @@ private constructor(
 
         fun asString(): String = string.getOrThrow("string")
 
-        fun asJson(): JsonValue = json.getOrThrow("json")
+        fun asUnionMember3(): UnionMember3 = unionMember3.getOrThrow("unionMember3")
 
         fun _json(): Optional<JsonValue> = Optional.ofNullable(_json)
 
@@ -1744,7 +1855,7 @@ private constructor(
                 number != null -> visitor.visitNumber(number)
                 bool != null -> visitor.visitBool(bool)
                 string != null -> visitor.visitString(string)
-                json != null -> visitor.visitJson(json)
+                unionMember3 != null -> visitor.visitUnionMember3(unionMember3)
                 else -> visitor.unknown(_json)
             }
 
@@ -1763,7 +1874,9 @@ private constructor(
 
                     override fun visitString(string: String) {}
 
-                    override fun visitJson(json: JsonValue) {}
+                    override fun visitUnionMember3(unionMember3: UnionMember3) {
+                        unionMember3.validate()
+                    }
                 }
             )
             validated = true
@@ -1793,7 +1906,8 @@ private constructor(
 
                     override fun visitString(string: String) = 1
 
-                    override fun visitJson(json: JsonValue) = 1
+                    override fun visitUnionMember3(unionMember3: UnionMember3) =
+                        unionMember3.validity()
 
                     override fun unknown(json: JsonValue?) = 0
                 }
@@ -1808,17 +1922,17 @@ private constructor(
                 number == other.number &&
                 bool == other.bool &&
                 string == other.string &&
-                json == other.json
+                unionMember3 == other.unionMember3
         }
 
-        override fun hashCode(): Int = Objects.hash(number, bool, string, json)
+        override fun hashCode(): Int = Objects.hash(number, bool, string, unionMember3)
 
         override fun toString(): String =
             when {
                 number != null -> "Value{number=$number}"
                 bool != null -> "Value{bool=$bool}"
                 string != null -> "Value{string=$string}"
-                json != null -> "Value{json=$json}"
+                unionMember3 != null -> "Value{unionMember3=$unionMember3}"
                 _json != null -> "Value{_unknown=$_json}"
                 else -> throw IllegalStateException("Invalid Value")
             }
@@ -1831,7 +1945,8 @@ private constructor(
 
             @JvmStatic fun ofString(string: String) = Value(string = string)
 
-            @JvmStatic fun ofJson(json: JsonValue) = Value(json = json)
+            @JvmStatic
+            fun ofUnionMember3(unionMember3: UnionMember3) = Value(unionMember3 = unionMember3)
         }
 
         /** An interface that defines how to map each variant of [Value] to a value of type [T]. */
@@ -1843,7 +1958,7 @@ private constructor(
 
             fun visitString(string: String): T
 
-            fun visitJson(json: JsonValue): T
+            fun visitUnionMember3(unionMember3: UnionMember3): T
 
             /**
              * Maps an unknown variant of [Value] to a value of type [T].
@@ -1867,6 +1982,9 @@ private constructor(
 
                 val bestMatches =
                     sequenceOf(
+                            tryDeserialize(node, jacksonTypeRef<UnionMember3>())?.let {
+                                Value(unionMember3 = it, _json = json)
+                            },
                             tryDeserialize(node, jacksonTypeRef<Double>())?.let {
                                 Value(number = it, _json = json)
                             },
@@ -1876,16 +1994,13 @@ private constructor(
                             tryDeserialize(node, jacksonTypeRef<String>())?.let {
                                 Value(string = it, _json = json)
                             },
-                            tryDeserialize(node, jacksonTypeRef<JsonValue>())?.let {
-                                Value(json = it, _json = json)
-                            },
                         )
                         .filterNotNull()
                         .allMaxBy { it.validity() }
                         .toList()
                 return when (bestMatches.size) {
                     // This can happen if what we're deserializing is completely incompatible with
-                    // all the possible variants.
+                    // all the possible variants (e.g. deserializing from array).
                     0 -> Value(_json = json)
                     1 -> bestMatches.single()
                     // If there's more than one match with the highest validity, then use the first
@@ -1907,12 +2022,114 @@ private constructor(
                     value.number != null -> generator.writeObject(value.number)
                     value.bool != null -> generator.writeObject(value.bool)
                     value.string != null -> generator.writeObject(value.string)
-                    value.json != null -> generator.writeObject(value.json)
+                    value.unionMember3 != null -> generator.writeObject(value.unionMember3)
                     value._json != null -> generator.writeObject(value._json)
                     else -> throw IllegalStateException("Invalid Value")
                 }
             }
         }
+
+        class UnionMember3
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [UnionMember3]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [UnionMember3]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(unionMember3: UnionMember3) = apply {
+                    additionalProperties = unionMember3.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [UnionMember3].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): UnionMember3 = UnionMember3(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): UnionMember3 = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is UnionMember3 && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "UnionMember3{additionalProperties=$additionalProperties}"
+        }
     }
 
     override fun equals(other: Any?): Boolean {

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/feedback/ModelFeedbackSource.kt

@@ -11,6 +11,7 @@ import com.langchain.smith.core.ExcludeMissing
 import com.langchain.smith.core.JsonField
 import com.langchain.smith.core.JsonMissing
 import com.langchain.smith.core.JsonValue
+import com.langchain.smith.core.toImmutable
 import com.langchain.smith.errors.LangChainInvalidDataException
 import java.util.Collections
 import java.util.Objects
@@ -21,18 +22,22 @@ import kotlin.jvm.optionals.getOrNull
 class ModelFeedbackSource
 @JsonCreator(mode = JsonCreator.Mode.DISABLED)
 private constructor(
-    private val metadata: JsonValue,
+    private val metadata: JsonField<Metadata>,
     private val type: JsonField<Type>,
     private val additionalProperties: MutableMap<String, JsonValue>,
 ) {
 
     @JsonCreator
     private constructor(
-        @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+        @JsonProperty("metadata") @ExcludeMissing metadata: JsonField<Metadata> = JsonMissing.of(),
         @JsonProperty("type") @ExcludeMissing type: JsonField<Type> = JsonMissing.of(),
     ) : this(metadata, type, mutableMapOf())
 
-    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -40,6 +45,13 @@ private constructor(
      */
     fun type(): Optional<Type> = type.getOptional("type")
 
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
     /**
      * Returns the raw JSON value of [type].
      *
@@ -68,7 +80,7 @@ private constructor(
     /** A builder for [ModelFeedbackSource]. */
     class Builder internal constructor() {
 
-        private var metadata: JsonValue = JsonMissing.of()
+        private var metadata: JsonField<Metadata> = JsonMissing.of()
         private var type: JsonField<Type> = JsonMissing.of()
         private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
@@ -79,7 +91,19 @@ private constructor(
             additionalProperties = modelFeedbackSource.additionalProperties.toMutableMap()
         }
 
-        fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+        fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
         fun type(type: Type) = type(JsonField.of(type))
 
@@ -126,6 +150,7 @@ private constructor(
             return@apply
         }
 
+        metadata().ifPresent { it.validate() }
         type().ifPresent { it.validate() }
         validated = true
     }
@@ -143,7 +168,109 @@ private constructor(
      *
      * Used for best match union deserialization.
      */
-    @JvmSynthetic internal fun validity(): Int = (type.asKnown().getOrNull()?.validity() ?: 0)
+    @JvmSynthetic
+    internal fun validity(): Int =
+        (metadata.asKnown().getOrNull()?.validity() ?: 0) +
+            (type.asKnown().getOrNull()?.validity() ?: 0)
+
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
 
     class Type @JsonCreator private constructor(private val value: JsonField<String>) : Enum {
 

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/feedback/tokens/TokenUpdateParams.kt

@@ -24,6 +24,7 @@ import com.langchain.smith.core.allMaxBy
 import com.langchain.smith.core.getOrThrow
 import com.langchain.smith.core.http.Headers
 import com.langchain.smith.core.http.QueryParams
+import com.langchain.smith.core.toImmutable
 import com.langchain.smith.errors.LangChainInvalidDataException
 import java.util.Collections
 import java.util.Objects
@@ -53,7 +54,11 @@ private constructor(
      */
     fun correction(): Optional<Correction> = body.correction()
 
-    fun _metadata(): JsonValue = body._metadata()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = body.metadata()
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -81,6 +86,13 @@ private constructor(
      */
     fun _correction(): JsonField<Correction> = body._correction()
 
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    fun _metadata(): JsonField<Metadata> = body._metadata()
+
     /**
      * Returns the raw JSON value of [score].
      *
@@ -175,13 +187,27 @@ private constructor(
          */
         fun correction(correction: JsonField<Correction>) = apply { body.correction(correction) }
 
-        /** Alias for calling [correction] with `Correction.ofJsonValue(jsonValue)`. */
-        fun correction(jsonValue: JsonValue) = apply { body.correction(jsonValue) }
+        /** Alias for calling [correction] with `Correction.ofUnionMember0(unionMember0)`. */
+        fun correction(unionMember0: Correction.UnionMember0) = apply {
+            body.correction(unionMember0)
+        }
 
         /** Alias for calling [correction] with `Correction.ofString(string)`. */
         fun correction(string: String) = apply { body.correction(string) }
 
-        fun metadata(metadata: JsonValue) = apply { body.metadata(metadata) }
+        fun metadata(metadata: Metadata?) = apply { body.metadata(metadata) }
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { body.metadata(metadata) }
 
         fun score(score: Score?) = apply { body.score(score) }
 
@@ -373,7 +399,7 @@ private constructor(
     private constructor(
         private val comment: JsonField<String>,
         private val correction: JsonField<Correction>,
-        private val metadata: JsonValue,
+        private val metadata: JsonField<Metadata>,
         private val score: JsonField<Score>,
         private val value: JsonField<Value>,
         private val additionalProperties: MutableMap<String, JsonValue>,
@@ -385,7 +411,9 @@ private constructor(
             @JsonProperty("correction")
             @ExcludeMissing
             correction: JsonField<Correction> = JsonMissing.of(),
-            @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+            @JsonProperty("metadata")
+            @ExcludeMissing
+            metadata: JsonField<Metadata> = JsonMissing.of(),
             @JsonProperty("score") @ExcludeMissing score: JsonField<Score> = JsonMissing.of(),
             @JsonProperty("value") @ExcludeMissing value: JsonField<Value> = JsonMissing.of(),
         ) : this(comment, correction, metadata, score, value, mutableMapOf())
@@ -402,7 +430,11 @@ private constructor(
          */
         fun correction(): Optional<Correction> = correction.getOptional("correction")
 
-        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -432,6 +464,13 @@ private constructor(
         @ExcludeMissing
         fun _correction(): JsonField<Correction> = correction
 
+        /**
+         * Returns the raw JSON value of [metadata].
+         *
+         * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
         /**
          * Returns the raw JSON value of [score].
          *
@@ -469,7 +508,7 @@ private constructor(
 
             private var comment: JsonField<String> = JsonMissing.of()
             private var correction: JsonField<Correction> = JsonMissing.of()
-            private var metadata: JsonValue = JsonMissing.of()
+            private var metadata: JsonField<Metadata> = JsonMissing.of()
             private var score: JsonField<Score> = JsonMissing.of()
             private var value: JsonField<Value> = JsonMissing.of()
             private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
@@ -514,13 +553,26 @@ private constructor(
                 this.correction = correction
             }
 
-            /** Alias for calling [correction] with `Correction.ofJsonValue(jsonValue)`. */
-            fun correction(jsonValue: JsonValue) = correction(Correction.ofJsonValue(jsonValue))
+            /** Alias for calling [correction] with `Correction.ofUnionMember0(unionMember0)`. */
+            fun correction(unionMember0: Correction.UnionMember0) =
+                correction(Correction.ofUnionMember0(unionMember0))
 
             /** Alias for calling [correction] with `Correction.ofString(string)`. */
             fun correction(string: String) = correction(Correction.ofString(string))
 
-            fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+            fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+            /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+            fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+            /**
+             * Sets [Builder.metadata] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.metadata] with a well-typed [Metadata] value
+             * instead. This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
             fun score(score: Score?) = score(JsonField.ofNullable(score))
 
@@ -609,6 +661,7 @@ private constructor(
 
             comment()
             correction().ifPresent { it.validate() }
+            metadata().ifPresent { it.validate() }
             score().ifPresent { it.validate() }
             value().ifPresent { it.validate() }
             validated = true
@@ -632,6 +685,7 @@ private constructor(
         internal fun validity(): Int =
             (if (comment.asKnown().isPresent) 1 else 0) +
                 (correction.asKnown().getOrNull()?.validity() ?: 0) +
+                (metadata.asKnown().getOrNull()?.validity() ?: 0) +
                 (score.asKnown().getOrNull()?.validity() ?: 0) +
                 (value.asKnown().getOrNull()?.validity() ?: 0)
 
@@ -663,20 +717,20 @@ private constructor(
     @JsonSerialize(using = Correction.Serializer::class)
     class Correction
     private constructor(
-        private val jsonValue: JsonValue? = null,
+        private val unionMember0: UnionMember0? = null,
         private val string: String? = null,
         private val _json: JsonValue? = null,
     ) {
 
-        fun jsonValue(): Optional<JsonValue> = Optional.ofNullable(jsonValue)
+        fun unionMember0(): Optional<UnionMember0> = Optional.ofNullable(unionMember0)
 
         fun string(): Optional<String> = Optional.ofNullable(string)
 
-        fun isJsonValue(): Boolean = jsonValue != null
+        fun isUnionMember0(): Boolean = unionMember0 != null
 
         fun isString(): Boolean = string != null
 
-        fun asJsonValue(): JsonValue = jsonValue.getOrThrow("jsonValue")
+        fun asUnionMember0(): UnionMember0 = unionMember0.getOrThrow("unionMember0")
 
         fun asString(): String = string.getOrThrow("string")
 
@@ -684,7 +738,7 @@ private constructor(
 
         fun <T> accept(visitor: Visitor<T>): T =
             when {
-                jsonValue != null -> visitor.visitJsonValue(jsonValue)
+                unionMember0 != null -> visitor.visitUnionMember0(unionMember0)
                 string != null -> visitor.visitString(string)
                 else -> visitor.unknown(_json)
             }
@@ -698,7 +752,9 @@ private constructor(
 
             accept(
                 object : Visitor<Unit> {
-                    override fun visitJsonValue(jsonValue: JsonValue) {}
+                    override fun visitUnionMember0(unionMember0: UnionMember0) {
+                        unionMember0.validate()
+                    }
 
                     override fun visitString(string: String) {}
                 }
@@ -724,7 +780,8 @@ private constructor(
         internal fun validity(): Int =
             accept(
                 object : Visitor<Int> {
-                    override fun visitJsonValue(jsonValue: JsonValue) = 1
+                    override fun visitUnionMember0(unionMember0: UnionMember0) =
+                        unionMember0.validity()
 
                     override fun visitString(string: String) = 1
 
@@ -737,14 +794,16 @@ private constructor(
                 return true
             }
 
-            return other is Correction && jsonValue == other.jsonValue && string == other.string
+            return other is Correction &&
+                unionMember0 == other.unionMember0 &&
+                string == other.string
         }
 
-        override fun hashCode(): Int = Objects.hash(jsonValue, string)
+        override fun hashCode(): Int = Objects.hash(unionMember0, string)
 
         override fun toString(): String =
             when {
-                jsonValue != null -> "Correction{jsonValue=$jsonValue}"
+                unionMember0 != null -> "Correction{unionMember0=$unionMember0}"
                 string != null -> "Correction{string=$string}"
                 _json != null -> "Correction{_unknown=$_json}"
                 else -> throw IllegalStateException("Invalid Correction")
@@ -752,7 +811,8 @@ private constructor(
 
         companion object {
 
-            @JvmStatic fun ofJsonValue(jsonValue: JsonValue) = Correction(jsonValue = jsonValue)
+            @JvmStatic
+            fun ofUnionMember0(unionMember0: UnionMember0) = Correction(unionMember0 = unionMember0)
 
             @JvmStatic fun ofString(string: String) = Correction(string = string)
         }
@@ -762,7 +822,7 @@ private constructor(
          */
         interface Visitor<out T> {
 
-            fun visitJsonValue(jsonValue: JsonValue): T
+            fun visitUnionMember0(unionMember0: UnionMember0): T
 
             fun visitString(string: String): T
 
@@ -788,19 +848,19 @@ private constructor(
 
                 val bestMatches =
                     sequenceOf(
+                            tryDeserialize(node, jacksonTypeRef<UnionMember0>())?.let {
+                                Correction(unionMember0 = it, _json = json)
+                            },
                             tryDeserialize(node, jacksonTypeRef<String>())?.let {
                                 Correction(string = it, _json = json)
                             },
-                            tryDeserialize(node, jacksonTypeRef<JsonValue>())?.let {
-                                Correction(jsonValue = it, _json = json)
-                            },
                         )
                         .filterNotNull()
                         .allMaxBy { it.validity() }
                         .toList()
                 return when (bestMatches.size) {
                     // This can happen if what we're deserializing is completely incompatible with
-                    // all the possible variants.
+                    // all the possible variants (e.g. deserializing from array).
                     0 -> Correction(_json = json)
                     1 -> bestMatches.single()
                     // If there's more than one match with the highest validity, then use the first
@@ -819,13 +879,214 @@ private constructor(
                 provider: SerializerProvider,
             ) {
                 when {
-                    value.jsonValue != null -> generator.writeObject(value.jsonValue)
+                    value.unionMember0 != null -> generator.writeObject(value.unionMember0)
                     value.string != null -> generator.writeObject(value.string)
                     value._json != null -> generator.writeObject(value._json)
                     else -> throw IllegalStateException("Invalid Correction")
                 }
             }
         }
+
+        class UnionMember0
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [UnionMember0]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [UnionMember0]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(unionMember0: UnionMember0) = apply {
+                    additionalProperties = unionMember0.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [UnionMember0].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): UnionMember0 = UnionMember0(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): UnionMember0 = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is UnionMember0 && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "UnionMember0{additionalProperties=$additionalProperties}"
+        }
+    }
+
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
     }
 
     @JsonDeserialize(using = Score.Deserializer::class)

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/public_/datasets/DatasetListComparativeResponse.kt

@@ -30,8 +30,8 @@ private constructor(
     private val experimentsInfo: JsonField<List<SimpleExperimentInfo>>,
     private val modifiedAt: JsonField<OffsetDateTime>,
     private val description: JsonField<String>,
-    private val extra: JsonValue,
-    private val feedbackStats: JsonValue,
+    private val extra: JsonField<Extra>,
+    private val feedbackStats: JsonField<FeedbackStats>,
     private val name: JsonField<String>,
     private val additionalProperties: MutableMap<String, JsonValue>,
 ) {
@@ -51,8 +51,10 @@ private constructor(
         @JsonProperty("description")
         @ExcludeMissing
         description: JsonField<String> = JsonMissing.of(),
-        @JsonProperty("extra") @ExcludeMissing extra: JsonValue = JsonMissing.of(),
-        @JsonProperty("feedback_stats") @ExcludeMissing feedbackStats: JsonValue = JsonMissing.of(),
+        @JsonProperty("extra") @ExcludeMissing extra: JsonField<Extra> = JsonMissing.of(),
+        @JsonProperty("feedback_stats")
+        @ExcludeMissing
+        feedbackStats: JsonField<FeedbackStats> = JsonMissing.of(),
         @JsonProperty("name") @ExcludeMissing name: JsonField<String> = JsonMissing.of(),
     ) : this(
         id,
@@ -97,9 +99,17 @@ private constructor(
      */
     fun description(): Optional<String> = description.getOptional("description")
 
-    @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonValue = extra
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun extra(): Optional<Extra> = extra.getOptional("extra")
 
-    @JsonProperty("feedback_stats") @ExcludeMissing fun _feedbackStats(): JsonValue = feedbackStats
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun feedbackStats(): Optional<FeedbackStats> = feedbackStats.getOptional("feedback_stats")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -148,6 +158,22 @@ private constructor(
      */
     @JsonProperty("description") @ExcludeMissing fun _description(): JsonField<String> = description
 
+    /**
+     * Returns the raw JSON value of [extra].
+     *
+     * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonField<Extra> = extra
+
+    /**
+     * Returns the raw JSON value of [feedbackStats].
+     *
+     * Unlike [feedbackStats], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("feedback_stats")
+    @ExcludeMissing
+    fun _feedbackStats(): JsonField<FeedbackStats> = feedbackStats
+
     /**
      * Returns the raw JSON value of [name].
      *
@@ -192,8 +218,8 @@ private constructor(
         private var experimentsInfo: JsonField<MutableList<SimpleExperimentInfo>>? = null
         private var modifiedAt: JsonField<OffsetDateTime>? = null
         private var description: JsonField<String> = JsonMissing.of()
-        private var extra: JsonValue = JsonMissing.of()
-        private var feedbackStats: JsonValue = JsonMissing.of()
+        private var extra: JsonField<Extra> = JsonMissing.of()
+        private var feedbackStats: JsonField<FeedbackStats> = JsonMissing.of()
         private var name: JsonField<String> = JsonMissing.of()
         private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
@@ -286,9 +312,36 @@ private constructor(
          */
         fun description(description: JsonField<String>) = apply { this.description = description }
 
-        fun extra(extra: JsonValue) = apply { this.extra = extra }
+        fun extra(extra: Extra?) = extra(JsonField.ofNullable(extra))
 
-        fun feedbackStats(feedbackStats: JsonValue) = apply { this.feedbackStats = feedbackStats }
+        /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+        fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
+
+        /**
+         * Sets [Builder.extra] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.extra] with a well-typed [Extra] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun extra(extra: JsonField<Extra>) = apply { this.extra = extra }
+
+        fun feedbackStats(feedbackStats: FeedbackStats?) =
+            feedbackStats(JsonField.ofNullable(feedbackStats))
+
+        /** Alias for calling [Builder.feedbackStats] with `feedbackStats.orElse(null)`. */
+        fun feedbackStats(feedbackStats: Optional<FeedbackStats>) =
+            feedbackStats(feedbackStats.getOrNull())
+
+        /**
+         * Sets [Builder.feedbackStats] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.feedbackStats] with a well-typed [FeedbackStats] value
+         * instead. This method is primarily for setting the field to an undocumented or not yet
+         * supported value.
+         */
+        fun feedbackStats(feedbackStats: JsonField<FeedbackStats>) = apply {
+            this.feedbackStats = feedbackStats
+        }
 
         fun name(name: String?) = name(JsonField.ofNullable(name))
 
@@ -363,6 +416,8 @@ private constructor(
         experimentsInfo().forEach { it.validate() }
         modifiedAt()
         description()
+        extra().ifPresent { it.validate() }
+        feedbackStats().ifPresent { it.validate() }
         name()
         validated = true
     }
@@ -387,8 +442,208 @@ private constructor(
             (experimentsInfo.asKnown().getOrNull()?.sumOf { it.validity().toInt() } ?: 0) +
             (if (modifiedAt.asKnown().isPresent) 1 else 0) +
             (if (description.asKnown().isPresent) 1 else 0) +
+            (extra.asKnown().getOrNull()?.validity() ?: 0) +
+            (feedbackStats.asKnown().getOrNull()?.validity() ?: 0) +
             (if (name.asKnown().isPresent) 1 else 0)
 
+    class Extra
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Extra]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Extra]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(extra: Extra) = apply {
+                additionalProperties = extra.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Extra].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Extra = Extra(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Extra = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Extra && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Extra{additionalProperties=$additionalProperties}"
+    }
+
+    class FeedbackStats
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [FeedbackStats]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [FeedbackStats]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(feedbackStats: FeedbackStats) = apply {
+                additionalProperties = feedbackStats.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [FeedbackStats].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): FeedbackStats = FeedbackStats(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): FeedbackStats = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is FeedbackStats && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "FeedbackStats{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/public_/datasets/DatasetListResponse.kt

@@ -38,8 +38,8 @@ private constructor(
     private val dataType: JsonField<DataType>,
     private val description: JsonField<String>,
     private val externallyManaged: JsonField<Boolean>,
-    private val inputsSchemaDefinition: JsonValue,
-    private val outputsSchemaDefinition: JsonValue,
+    private val inputsSchemaDefinition: JsonField<InputsSchemaDefinition>,
+    private val outputsSchemaDefinition: JsonField<OutputsSchemaDefinition>,
     private val transformations: JsonField<List<DatasetTransformation>>,
     private val additionalProperties: MutableMap<String, JsonValue>,
 ) {
@@ -63,10 +63,10 @@ private constructor(
         externallyManaged: JsonField<Boolean> = JsonMissing.of(),
         @JsonProperty("inputs_schema_definition")
         @ExcludeMissing
-        inputsSchemaDefinition: JsonValue = JsonMissing.of(),
+        inputsSchemaDefinition: JsonField<InputsSchemaDefinition> = JsonMissing.of(),
         @JsonProperty("outputs_schema_definition")
         @ExcludeMissing
-        outputsSchemaDefinition: JsonValue = JsonMissing.of(),
+        outputsSchemaDefinition: JsonField<OutputsSchemaDefinition> = JsonMissing.of(),
         @JsonProperty("transformations")
         @ExcludeMissing
         transformations: JsonField<List<DatasetTransformation>> = JsonMissing.of(),
@@ -128,13 +128,19 @@ private constructor(
      */
     fun externallyManaged(): Optional<Boolean> = externallyManaged.getOptional("externally_managed")
 
-    @JsonProperty("inputs_schema_definition")
-    @ExcludeMissing
-    fun _inputsSchemaDefinition(): JsonValue = inputsSchemaDefinition
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun inputsSchemaDefinition(): Optional<InputsSchemaDefinition> =
+        inputsSchemaDefinition.getOptional("inputs_schema_definition")
 
-    @JsonProperty("outputs_schema_definition")
-    @ExcludeMissing
-    fun _outputsSchemaDefinition(): JsonValue = outputsSchemaDefinition
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun outputsSchemaDefinition(): Optional<OutputsSchemaDefinition> =
+        outputsSchemaDefinition.getOptional("outputs_schema_definition")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -199,6 +205,26 @@ private constructor(
     @ExcludeMissing
     fun _externallyManaged(): JsonField<Boolean> = externallyManaged
 
+    /**
+     * Returns the raw JSON value of [inputsSchemaDefinition].
+     *
+     * Unlike [inputsSchemaDefinition], this method doesn't throw if the JSON field has an
+     * unexpected type.
+     */
+    @JsonProperty("inputs_schema_definition")
+    @ExcludeMissing
+    fun _inputsSchemaDefinition(): JsonField<InputsSchemaDefinition> = inputsSchemaDefinition
+
+    /**
+     * Returns the raw JSON value of [outputsSchemaDefinition].
+     *
+     * Unlike [outputsSchemaDefinition], this method doesn't throw if the JSON field has an
+     * unexpected type.
+     */
+    @JsonProperty("outputs_schema_definition")
+    @ExcludeMissing
+    fun _outputsSchemaDefinition(): JsonField<OutputsSchemaDefinition> = outputsSchemaDefinition
+
     /**
      * Returns the raw JSON value of [transformations].
      *
@@ -245,8 +271,8 @@ private constructor(
         private var dataType: JsonField<DataType> = JsonMissing.of()
         private var description: JsonField<String> = JsonMissing.of()
         private var externallyManaged: JsonField<Boolean> = JsonMissing.of()
-        private var inputsSchemaDefinition: JsonValue = JsonMissing.of()
-        private var outputsSchemaDefinition: JsonValue = JsonMissing.of()
+        private var inputsSchemaDefinition: JsonField<InputsSchemaDefinition> = JsonMissing.of()
+        private var outputsSchemaDefinition: JsonField<OutputsSchemaDefinition> = JsonMissing.of()
         private var transformations: JsonField<MutableList<DatasetTransformation>>? = null
         private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
@@ -362,13 +388,49 @@ private constructor(
             this.externallyManaged = externallyManaged
         }
 
-        fun inputsSchemaDefinition(inputsSchemaDefinition: JsonValue) = apply {
-            this.inputsSchemaDefinition = inputsSchemaDefinition
-        }
+        fun inputsSchemaDefinition(inputsSchemaDefinition: InputsSchemaDefinition?) =
+            inputsSchemaDefinition(JsonField.ofNullable(inputsSchemaDefinition))
 
-        fun outputsSchemaDefinition(outputsSchemaDefinition: JsonValue) = apply {
-            this.outputsSchemaDefinition = outputsSchemaDefinition
-        }
+        /**
+         * Alias for calling [Builder.inputsSchemaDefinition] with
+         * `inputsSchemaDefinition.orElse(null)`.
+         */
+        fun inputsSchemaDefinition(inputsSchemaDefinition: Optional<InputsSchemaDefinition>) =
+            inputsSchemaDefinition(inputsSchemaDefinition.getOrNull())
+
+        /**
+         * Sets [Builder.inputsSchemaDefinition] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.inputsSchemaDefinition] with a well-typed
+         * [InputsSchemaDefinition] value instead. This method is primarily for setting the field to
+         * an undocumented or not yet supported value.
+         */
+        fun inputsSchemaDefinition(inputsSchemaDefinition: JsonField<InputsSchemaDefinition>) =
+            apply {
+                this.inputsSchemaDefinition = inputsSchemaDefinition
+            }
+
+        fun outputsSchemaDefinition(outputsSchemaDefinition: OutputsSchemaDefinition?) =
+            outputsSchemaDefinition(JsonField.ofNullable(outputsSchemaDefinition))
+
+        /**
+         * Alias for calling [Builder.outputsSchemaDefinition] with
+         * `outputsSchemaDefinition.orElse(null)`.
+         */
+        fun outputsSchemaDefinition(outputsSchemaDefinition: Optional<OutputsSchemaDefinition>) =
+            outputsSchemaDefinition(outputsSchemaDefinition.getOrNull())
+
+        /**
+         * Sets [Builder.outputsSchemaDefinition] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.outputsSchemaDefinition] with a well-typed
+         * [OutputsSchemaDefinition] value instead. This method is primarily for setting the field
+         * to an undocumented or not yet supported value.
+         */
+        fun outputsSchemaDefinition(outputsSchemaDefinition: JsonField<OutputsSchemaDefinition>) =
+            apply {
+                this.outputsSchemaDefinition = outputsSchemaDefinition
+            }
 
         fun transformations(transformations: List<DatasetTransformation>?) =
             transformations(JsonField.ofNullable(transformations))
@@ -463,6 +525,8 @@ private constructor(
         dataType().ifPresent { it.validate() }
         description()
         externallyManaged()
+        inputsSchemaDefinition().ifPresent { it.validate() }
+        outputsSchemaDefinition().ifPresent { it.validate() }
         transformations().ifPresent { it.forEach { it.validate() } }
         validated = true
     }
@@ -489,8 +553,218 @@ private constructor(
             (dataType.asKnown().getOrNull()?.validity() ?: 0) +
             (if (description.asKnown().isPresent) 1 else 0) +
             (if (externallyManaged.asKnown().isPresent) 1 else 0) +
+            (inputsSchemaDefinition.asKnown().getOrNull()?.validity() ?: 0) +
+            (outputsSchemaDefinition.asKnown().getOrNull()?.validity() ?: 0) +
             (transformations.asKnown().getOrNull()?.sumOf { it.validity().toInt() } ?: 0)
 
+    class InputsSchemaDefinition
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /**
+             * Returns a mutable builder for constructing an instance of [InputsSchemaDefinition].
+             */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [InputsSchemaDefinition]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(inputsSchemaDefinition: InputsSchemaDefinition) = apply {
+                additionalProperties = inputsSchemaDefinition.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [InputsSchemaDefinition].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): InputsSchemaDefinition =
+                InputsSchemaDefinition(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): InputsSchemaDefinition = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is InputsSchemaDefinition &&
+                additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() =
+            "InputsSchemaDefinition{additionalProperties=$additionalProperties}"
+    }
+
+    class OutputsSchemaDefinition
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /**
+             * Returns a mutable builder for constructing an instance of [OutputsSchemaDefinition].
+             */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [OutputsSchemaDefinition]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(outputsSchemaDefinition: OutputsSchemaDefinition) = apply {
+                additionalProperties = outputsSchemaDefinition.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [OutputsSchemaDefinition].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): OutputsSchemaDefinition =
+                OutputsSchemaDefinition(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): OutputsSchemaDefinition = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is OutputsSchemaDefinition &&
+                additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() =
+            "OutputsSchemaDefinition{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/repos/DemoConfig.kt

@@ -22,9 +22,9 @@ import kotlin.jvm.optionals.getOrNull
 class DemoConfig
 @JsonCreator(mode = JsonCreator.Mode.DISABLED)
 private constructor(
-    private val examples: JsonField<List<JsonValue>>,
+    private val examples: JsonField<List<Example>>,
     private val messageIndex: JsonField<Long>,
-    private val metaprompt: JsonValue,
+    private val metaprompt: JsonField<Metaprompt>,
     private val overallFeedback: JsonField<String>,
     private val additionalProperties: MutableMap<String, JsonValue>,
 ) {
@@ -33,11 +33,13 @@ private constructor(
     private constructor(
         @JsonProperty("examples")
         @ExcludeMissing
-        examples: JsonField<List<JsonValue>> = JsonMissing.of(),
+        examples: JsonField<List<Example>> = JsonMissing.of(),
         @JsonProperty("message_index")
         @ExcludeMissing
         messageIndex: JsonField<Long> = JsonMissing.of(),
-        @JsonProperty("metaprompt") @ExcludeMissing metaprompt: JsonValue = JsonMissing.of(),
+        @JsonProperty("metaprompt")
+        @ExcludeMissing
+        metaprompt: JsonField<Metaprompt> = JsonMissing.of(),
         @JsonProperty("overall_feedback")
         @ExcludeMissing
         overallFeedback: JsonField<String> = JsonMissing.of(),
@@ -47,7 +49,7 @@ private constructor(
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type or is
      *   unexpectedly missing or null (e.g. if the server responded with an unexpected value).
      */
-    fun examples(): List<JsonValue> = examples.getRequired("examples")
+    fun examples(): List<Example> = examples.getRequired("examples")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type or is
@@ -55,7 +57,11 @@ private constructor(
      */
     fun messageIndex(): Long = messageIndex.getRequired("message_index")
 
-    @JsonProperty("metaprompt") @ExcludeMissing fun _metaprompt(): JsonValue = metaprompt
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type or is
+     *   unexpectedly missing or null (e.g. if the server responded with an unexpected value).
+     */
+    fun metaprompt(): Metaprompt = metaprompt.getRequired("metaprompt")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -68,7 +74,7 @@ private constructor(
      *
      * Unlike [examples], this method doesn't throw if the JSON field has an unexpected type.
      */
-    @JsonProperty("examples") @ExcludeMissing fun _examples(): JsonField<List<JsonValue>> = examples
+    @JsonProperty("examples") @ExcludeMissing fun _examples(): JsonField<List<Example>> = examples
 
     /**
      * Returns the raw JSON value of [messageIndex].
@@ -79,6 +85,15 @@ private constructor(
     @ExcludeMissing
     fun _messageIndex(): JsonField<Long> = messageIndex
 
+    /**
+     * Returns the raw JSON value of [metaprompt].
+     *
+     * Unlike [metaprompt], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("metaprompt")
+    @ExcludeMissing
+    fun _metaprompt(): JsonField<Metaprompt> = metaprompt
+
     /**
      * Returns the raw JSON value of [overallFeedback].
      *
@@ -119,9 +134,9 @@ private constructor(
     /** A builder for [DemoConfig]. */
     class Builder internal constructor() {
 
-        private var examples: JsonField<MutableList<JsonValue>>? = null
+        private var examples: JsonField<MutableList<Example>>? = null
         private var messageIndex: JsonField<Long>? = null
-        private var metaprompt: JsonValue? = null
+        private var metaprompt: JsonField<Metaprompt>? = null
         private var overallFeedback: JsonField<String>? = null
         private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
@@ -134,25 +149,25 @@ private constructor(
             additionalProperties = demoConfig.additionalProperties.toMutableMap()
         }
 
-        fun examples(examples: List<JsonValue>) = examples(JsonField.of(examples))
+        fun examples(examples: List<Example>) = examples(JsonField.of(examples))
 
         /**
          * Sets [Builder.examples] to an arbitrary JSON value.
          *
-         * You should usually call [Builder.examples] with a well-typed `List<JsonValue>` value
+         * You should usually call [Builder.examples] with a well-typed `List<Example>` value
          * instead. This method is primarily for setting the field to an undocumented or not yet
          * supported value.
          */
-        fun examples(examples: JsonField<List<JsonValue>>) = apply {
+        fun examples(examples: JsonField<List<Example>>) = apply {
             this.examples = examples.map { it.toMutableList() }
         }
 
         /**
-         * Adds a single [JsonValue] to [examples].
+         * Adds a single [Example] to [examples].
          *
          * @throws IllegalStateException if the field was previously set to a non-list.
          */
-        fun addExample(example: JsonValue) = apply {
+        fun addExample(example: Example) = apply {
             examples =
                 (examples ?: JsonField.of(mutableListOf())).also {
                     checkKnown("examples", it).add(example)
@@ -170,7 +185,16 @@ private constructor(
          */
         fun messageIndex(messageIndex: JsonField<Long>) = apply { this.messageIndex = messageIndex }
 
-        fun metaprompt(metaprompt: JsonValue) = apply { this.metaprompt = metaprompt }
+        fun metaprompt(metaprompt: Metaprompt) = metaprompt(JsonField.of(metaprompt))
+
+        /**
+         * Sets [Builder.metaprompt] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metaprompt] with a well-typed [Metaprompt] value
+         * instead. This method is primarily for setting the field to an undocumented or not yet
+         * supported value.
+         */
+        fun metaprompt(metaprompt: JsonField<Metaprompt>) = apply { this.metaprompt = metaprompt }
 
         fun overallFeedback(overallFeedback: String?) =
             overallFeedback(JsonField.ofNullable(overallFeedback))
@@ -241,8 +265,9 @@ private constructor(
             return@apply
         }
 
-        examples()
+        examples().forEach { it.validate() }
         messageIndex()
+        metaprompt().validate()
         overallFeedback()
         validated = true
     }
@@ -262,10 +287,209 @@ private constructor(
      */
     @JvmSynthetic
     internal fun validity(): Int =
-        (examples.asKnown().getOrNull()?.size ?: 0) +
+        (examples.asKnown().getOrNull()?.sumOf { it.validity().toInt() } ?: 0) +
             (if (messageIndex.asKnown().isPresent) 1 else 0) +
+            (metaprompt.asKnown().getOrNull()?.validity() ?: 0) +
             (if (overallFeedback.asKnown().isPresent) 1 else 0)
 
+    class Example
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Example]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Example]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(example: Example) = apply {
+                additionalProperties = example.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Example].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Example = Example(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Example = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Example && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Example{additionalProperties=$additionalProperties}"
+    }
+
+    class Metaprompt
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metaprompt]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metaprompt]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metaprompt: Metaprompt) = apply {
+                additionalProperties = metaprompt.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metaprompt].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metaprompt = Metaprompt(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metaprompt = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metaprompt && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metaprompt{additionalProperties=$additionalProperties}"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) {
             return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/sessions/CustomChartsSection.kt

@@ -424,7 +424,7 @@ private constructor(
         private val title: JsonField<String>,
         private val commonFilters: JsonField<CommonFilters>,
         private val description: JsonField<String>,
-        private val metadata: JsonValue,
+        private val metadata: JsonField<Metadata>,
         private val additionalProperties: MutableMap<String, JsonValue>,
     ) {
 
@@ -446,7 +446,9 @@ private constructor(
             @JsonProperty("description")
             @ExcludeMissing
             description: JsonField<String> = JsonMissing.of(),
-            @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+            @JsonProperty("metadata")
+            @ExcludeMissing
+            metadata: JsonField<Metadata> = JsonMissing.of(),
         ) : this(
             id,
             chartType,
@@ -510,7 +512,11 @@ private constructor(
          */
         fun description(): Optional<String> = description.getOptional("description")
 
-        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
         /**
          * Returns the raw JSON value of [id].
@@ -575,6 +581,13 @@ private constructor(
         @ExcludeMissing
         fun _description(): JsonField<String> = description
 
+        /**
+         * Returns the raw JSON value of [metadata].
+         *
+         * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
         @JsonAnySetter
         private fun putAdditionalProperty(key: String, value: JsonValue) {
             additionalProperties.put(key, value)
@@ -616,7 +629,7 @@ private constructor(
             private var title: JsonField<String>? = null
             private var commonFilters: JsonField<CommonFilters> = JsonMissing.of()
             private var description: JsonField<String> = JsonMissing.of()
-            private var metadata: JsonValue = JsonMissing.of()
+            private var metadata: JsonField<Metadata> = JsonMissing.of()
             private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
             @JvmSynthetic
@@ -762,7 +775,19 @@ private constructor(
                 this.description = description
             }
 
-            fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+            fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+            /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+            fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+            /**
+             * Sets [Builder.metadata] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.metadata] with a well-typed [Metadata] value
+             * instead. This method is primarily for setting the field to an undocumented or not yet
+             * supported value.
+             */
+            fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
             fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
                 this.additionalProperties.clear()
@@ -830,6 +855,7 @@ private constructor(
             title()
             commonFilters().ifPresent { it.validate() }
             description()
+            metadata().ifPresent { it.validate() }
             validated = true
         }
 
@@ -856,7 +882,8 @@ private constructor(
                 (series.asKnown().getOrNull()?.sumOf { it.validity().toInt() } ?: 0) +
                 (if (title.asKnown().isPresent) 1 else 0) +
                 (commonFilters.asKnown().getOrNull()?.validity() ?: 0) +
-                (if (description.asKnown().isPresent) 1 else 0)
+                (if (description.asKnown().isPresent) 1 else 0) +
+                (metadata.asKnown().getOrNull()?.validity() ?: 0)
 
         /** Enum for custom chart types. */
         class ChartType @JsonCreator private constructor(private val value: JsonField<String>) :
@@ -1156,8 +1183,9 @@ private constructor(
                 /** Alias for calling [value] with `Value.ofNumber(number)`. */
                 fun value(number: Double) = value(Value.ofNumber(number))
 
-                /** Alias for calling [value] with `Value.ofJson(json)`. */
-                fun value(json: JsonValue) = value(Value.ofJson(json))
+                /** Alias for calling [value] with `Value.ofUnionMember1(unionMember1)`. */
+                fun value(unionMember1: Value.UnionMember1) =
+                    value(Value.ofUnionMember1(unionMember1))
 
                 fun group(group: String?) = group(JsonField.ofNullable(group))
 
@@ -1259,28 +1287,28 @@ private constructor(
             class Value
             private constructor(
                 private val number: Double? = null,
-                private val json: JsonValue? = null,
+                private val unionMember1: UnionMember1? = null,
                 private val _json: JsonValue? = null,
             ) {
 
                 fun number(): Optional<Double> = Optional.ofNullable(number)
 
-                fun json(): Optional<JsonValue> = Optional.ofNullable(json)
+                fun unionMember1(): Optional<UnionMember1> = Optional.ofNullable(unionMember1)
 
                 fun isNumber(): Boolean = number != null
 
-                fun isJson(): Boolean = json != null
+                fun isUnionMember1(): Boolean = unionMember1 != null
 
                 fun asNumber(): Double = number.getOrThrow("number")
 
-                fun asJson(): JsonValue = json.getOrThrow("json")
+                fun asUnionMember1(): UnionMember1 = unionMember1.getOrThrow("unionMember1")
 
                 fun _json(): Optional<JsonValue> = Optional.ofNullable(_json)
 
                 fun <T> accept(visitor: Visitor<T>): T =
                     when {
                         number != null -> visitor.visitNumber(number)
-                        json != null -> visitor.visitJson(json)
+                        unionMember1 != null -> visitor.visitUnionMember1(unionMember1)
                         else -> visitor.unknown(_json)
                     }
 
@@ -1295,7 +1323,9 @@ private constructor(
                         object : Visitor<Unit> {
                             override fun visitNumber(number: Double) {}
 
-                            override fun visitJson(json: JsonValue) {}
+                            override fun visitUnionMember1(unionMember1: UnionMember1) {
+                                unionMember1.validate()
+                            }
                         }
                     )
                     validated = true
@@ -1321,7 +1351,8 @@ private constructor(
                         object : Visitor<Int> {
                             override fun visitNumber(number: Double) = 1
 
-                            override fun visitJson(json: JsonValue) = 1
+                            override fun visitUnionMember1(unionMember1: UnionMember1) =
+                                unionMember1.validity()
 
                             override fun unknown(json: JsonValue?) = 0
                         }
@@ -1332,15 +1363,17 @@ private constructor(
                         return true
                     }
 
-                    return other is Value && number == other.number && json == other.json
+                    return other is Value &&
+                        number == other.number &&
+                        unionMember1 == other.unionMember1
                 }
 
-                override fun hashCode(): Int = Objects.hash(number, json)
+                override fun hashCode(): Int = Objects.hash(number, unionMember1)
 
                 override fun toString(): String =
                     when {
                         number != null -> "Value{number=$number}"
-                        json != null -> "Value{json=$json}"
+                        unionMember1 != null -> "Value{unionMember1=$unionMember1}"
                         _json != null -> "Value{_unknown=$_json}"
                         else -> throw IllegalStateException("Invalid Value")
                     }
@@ -1349,7 +1382,9 @@ private constructor(
 
                     @JvmStatic fun ofNumber(number: Double) = Value(number = number)
 
-                    @JvmStatic fun ofJson(json: JsonValue) = Value(json = json)
+                    @JvmStatic
+                    fun ofUnionMember1(unionMember1: UnionMember1) =
+                        Value(unionMember1 = unionMember1)
                 }
 
                 /**
@@ -1360,7 +1395,7 @@ private constructor(
 
                     fun visitNumber(number: Double): T
 
-                    fun visitJson(json: JsonValue): T
+                    fun visitUnionMember1(unionMember1: UnionMember1): T
 
                     /**
                      * Maps an unknown variant of [Value] to a value of type [T].
@@ -1384,19 +1419,20 @@ private constructor(
 
                         val bestMatches =
                             sequenceOf(
+                                    tryDeserialize(node, jacksonTypeRef<UnionMember1>())?.let {
+                                        Value(unionMember1 = it, _json = json)
+                                    },
                                     tryDeserialize(node, jacksonTypeRef<Double>())?.let {
                                         Value(number = it, _json = json)
                                     },
-                                    tryDeserialize(node, jacksonTypeRef<JsonValue>())?.let {
-                                        Value(json = it, _json = json)
-                                    },
                                 )
                                 .filterNotNull()
                                 .allMaxBy { it.validity() }
                                 .toList()
                         return when (bestMatches.size) {
                             // This can happen if what we're deserializing is completely
-                            // incompatible with all the possible variants.
+                            // incompatible with all the possible variants (e.g. deserializing from
+                            // boolean).
                             0 -> Value(_json = json)
                             1 -> bestMatches.single()
                             // If there's more than one match with the highest validity, then use
@@ -1416,12 +1452,121 @@ private constructor(
                     ) {
                         when {
                             value.number != null -> generator.writeObject(value.number)
-                            value.json != null -> generator.writeObject(value.json)
+                            value.unionMember1 != null -> generator.writeObject(value.unionMember1)
                             value._json != null -> generator.writeObject(value._json)
                             else -> throw IllegalStateException("Invalid Value")
                         }
                     }
                 }
+
+                class UnionMember1
+                @JsonCreator
+                private constructor(
+                    @com.fasterxml.jackson.annotation.JsonValue
+                    private val additionalProperties: Map<String, JsonValue>
+                ) {
+
+                    @JsonAnyGetter
+                    @ExcludeMissing
+                    fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+                    fun toBuilder() = Builder().from(this)
+
+                    companion object {
+
+                        /**
+                         * Returns a mutable builder for constructing an instance of [UnionMember1].
+                         */
+                        @JvmStatic fun builder() = Builder()
+                    }
+
+                    /** A builder for [UnionMember1]. */
+                    class Builder internal constructor() {
+
+                        private var additionalProperties: MutableMap<String, JsonValue> =
+                            mutableMapOf()
+
+                        @JvmSynthetic
+                        internal fun from(unionMember1: UnionMember1) = apply {
+                            additionalProperties = unionMember1.additionalProperties.toMutableMap()
+                        }
+
+                        fun additionalProperties(additionalProperties: Map<String, JsonValue>) =
+                            apply {
+                                this.additionalProperties.clear()
+                                putAllAdditionalProperties(additionalProperties)
+                            }
+
+                        fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                            additionalProperties.put(key, value)
+                        }
+
+                        fun putAllAdditionalProperties(
+                            additionalProperties: Map<String, JsonValue>
+                        ) = apply { this.additionalProperties.putAll(additionalProperties) }
+
+                        fun removeAdditionalProperty(key: String) = apply {
+                            additionalProperties.remove(key)
+                        }
+
+                        fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                            keys.forEach(::removeAdditionalProperty)
+                        }
+
+                        /**
+                         * Returns an immutable instance of [UnionMember1].
+                         *
+                         * Further updates to this [Builder] will not mutate the returned instance.
+                         */
+                        fun build(): UnionMember1 = UnionMember1(additionalProperties.toImmutable())
+                    }
+
+                    private var validated: Boolean = false
+
+                    fun validate(): UnionMember1 = apply {
+                        if (validated) {
+                            return@apply
+                        }
+
+                        validated = true
+                    }
+
+                    fun isValid(): Boolean =
+                        try {
+                            validate()
+                            true
+                        } catch (e: LangChainInvalidDataException) {
+                            false
+                        }
+
+                    /**
+                     * Returns a score indicating how many valid values are contained in this object
+                     * recursively.
+                     *
+                     * Used for best match union deserialization.
+                     */
+                    @JvmSynthetic
+                    internal fun validity(): Int =
+                        additionalProperties.count { (_, value) ->
+                            !value.isNull() && !value.isMissing()
+                        }
+
+                    override fun equals(other: Any?): Boolean {
+                        if (this === other) {
+                            return true
+                        }
+
+                        return other is UnionMember1 &&
+                            additionalProperties == other.additionalProperties
+                    }
+
+                    private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+                    override fun hashCode(): Int = hashCode
+
+                    override fun toString() =
+                        "UnionMember1{additionalProperties=$additionalProperties}"
+                }
             }
 
             override fun equals(other: Any?): Boolean {
@@ -3533,6 +3678,108 @@ private constructor(
                 "CommonFilters{filter=$filter, session=$session, traceFilter=$traceFilter, treeFilter=$treeFilter, additionalProperties=$additionalProperties}"
         }
 
+        class Metadata
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [Metadata]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [Metadata]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(metadata: Metadata) = apply {
+                    additionalProperties = metadata.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [Metadata].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): Metadata = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is Metadata && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+        }
+
         override fun equals(other: Any?): Boolean {
             if (this === other) {
                 return true
@@ -3878,7 +4125,7 @@ private constructor(
             private val title: JsonField<String>,
             private val commonFilters: JsonField<CommonFilters>,
             private val description: JsonField<String>,
-            private val metadata: JsonValue,
+            private val metadata: JsonField<Metadata>,
             private val additionalProperties: MutableMap<String, JsonValue>,
         ) {
 
@@ -3902,7 +4149,9 @@ private constructor(
                 @JsonProperty("description")
                 @ExcludeMissing
                 description: JsonField<String> = JsonMissing.of(),
-                @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+                @JsonProperty("metadata")
+                @ExcludeMissing
+                metadata: JsonField<Metadata> = JsonMissing.of(),
             ) : this(
                 id,
                 chartType,
@@ -3973,7 +4222,11 @@ private constructor(
              */
             fun description(): Optional<String> = description.getOptional("description")
 
-            @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+            /**
+             * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g.
+             *   if the server responded with an unexpected value).
+             */
+            fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
             /**
              * Returns the raw JSON value of [id].
@@ -4040,6 +4293,16 @@ private constructor(
             @ExcludeMissing
             fun _description(): JsonField<String> = description
 
+            /**
+             * Returns the raw JSON value of [metadata].
+             *
+             * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected
+             * type.
+             */
+            @JsonProperty("metadata")
+            @ExcludeMissing
+            fun _metadata(): JsonField<Metadata> = metadata
+
             @JsonAnySetter
             private fun putAdditionalProperty(key: String, value: JsonValue) {
                 additionalProperties.put(key, value)
@@ -4081,7 +4344,7 @@ private constructor(
                 private var title: JsonField<String>? = null
                 private var commonFilters: JsonField<CommonFilters> = JsonMissing.of()
                 private var description: JsonField<String> = JsonMissing.of()
-                private var metadata: JsonValue = JsonMissing.of()
+                private var metadata: JsonField<Metadata> = JsonMissing.of()
                 private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
                 @JvmSynthetic
@@ -4231,7 +4494,19 @@ private constructor(
                     this.description = description
                 }
 
-                fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+                fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+                /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+                fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+                /**
+                 * Sets [Builder.metadata] to an arbitrary JSON value.
+                 *
+                 * You should usually call [Builder.metadata] with a well-typed [Metadata] value
+                 * instead. This method is primarily for setting the field to an undocumented or not
+                 * yet supported value.
+                 */
+                fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
                 fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
                     this.additionalProperties.clear()
@@ -4302,6 +4577,7 @@ private constructor(
                 title()
                 commonFilters().ifPresent { it.validate() }
                 description()
+                metadata().ifPresent { it.validate() }
                 validated = true
             }
 
@@ -4328,7 +4604,8 @@ private constructor(
                     (series.asKnown().getOrNull()?.sumOf { it.validity().toInt() } ?: 0) +
                     (if (title.asKnown().isPresent) 1 else 0) +
                     (commonFilters.asKnown().getOrNull()?.validity() ?: 0) +
-                    (if (description.asKnown().isPresent) 1 else 0)
+                    (if (description.asKnown().isPresent) 1 else 0) +
+                    (metadata.asKnown().getOrNull()?.validity() ?: 0)
 
             /** Enum for custom chart types. */
             class ChartType @JsonCreator private constructor(private val value: JsonField<String>) :
@@ -4636,8 +4913,9 @@ private constructor(
                     /** Alias for calling [value] with `Value.ofNumber(number)`. */
                     fun value(number: Double) = value(Value.ofNumber(number))
 
-                    /** Alias for calling [value] with `Value.ofJson(json)`. */
-                    fun value(json: JsonValue) = value(Value.ofJson(json))
+                    /** Alias for calling [value] with `Value.ofUnionMember1(unionMember1)`. */
+                    fun value(unionMember1: Value.UnionMember1) =
+                        value(Value.ofUnionMember1(unionMember1))
 
                     fun group(group: String?) = group(JsonField.ofNullable(group))
 
@@ -4739,28 +5017,28 @@ private constructor(
                 class Value
                 private constructor(
                     private val number: Double? = null,
-                    private val json: JsonValue? = null,
+                    private val unionMember1: UnionMember1? = null,
                     private val _json: JsonValue? = null,
                 ) {
 
                     fun number(): Optional<Double> = Optional.ofNullable(number)
 
-                    fun json(): Optional<JsonValue> = Optional.ofNullable(json)
+                    fun unionMember1(): Optional<UnionMember1> = Optional.ofNullable(unionMember1)
 
                     fun isNumber(): Boolean = number != null
 
-                    fun isJson(): Boolean = json != null
+                    fun isUnionMember1(): Boolean = unionMember1 != null
 
                     fun asNumber(): Double = number.getOrThrow("number")
 
-                    fun asJson(): JsonValue = json.getOrThrow("json")
+                    fun asUnionMember1(): UnionMember1 = unionMember1.getOrThrow("unionMember1")
 
                     fun _json(): Optional<JsonValue> = Optional.ofNullable(_json)
 
                     fun <T> accept(visitor: Visitor<T>): T =
                         when {
                             number != null -> visitor.visitNumber(number)
-                            json != null -> visitor.visitJson(json)
+                            unionMember1 != null -> visitor.visitUnionMember1(unionMember1)
                             else -> visitor.unknown(_json)
                         }
 
@@ -4775,7 +5053,9 @@ private constructor(
                             object : Visitor<Unit> {
                                 override fun visitNumber(number: Double) {}
 
-                                override fun visitJson(json: JsonValue) {}
+                                override fun visitUnionMember1(unionMember1: UnionMember1) {
+                                    unionMember1.validate()
+                                }
                             }
                         )
                         validated = true
@@ -4801,7 +5081,8 @@ private constructor(
                             object : Visitor<Int> {
                                 override fun visitNumber(number: Double) = 1
 
-                                override fun visitJson(json: JsonValue) = 1
+                                override fun visitUnionMember1(unionMember1: UnionMember1) =
+                                    unionMember1.validity()
 
                                 override fun unknown(json: JsonValue?) = 0
                             }
@@ -4812,15 +5093,17 @@ private constructor(
                             return true
                         }
 
-                        return other is Value && number == other.number && json == other.json
+                        return other is Value &&
+                            number == other.number &&
+                            unionMember1 == other.unionMember1
                     }
 
-                    override fun hashCode(): Int = Objects.hash(number, json)
+                    override fun hashCode(): Int = Objects.hash(number, unionMember1)
 
                     override fun toString(): String =
                         when {
                             number != null -> "Value{number=$number}"
-                            json != null -> "Value{json=$json}"
+                            unionMember1 != null -> "Value{unionMember1=$unionMember1}"
                             _json != null -> "Value{_unknown=$_json}"
                             else -> throw IllegalStateException("Invalid Value")
                         }
@@ -4829,7 +5112,9 @@ private constructor(
 
                         @JvmStatic fun ofNumber(number: Double) = Value(number = number)
 
-                        @JvmStatic fun ofJson(json: JsonValue) = Value(json = json)
+                        @JvmStatic
+                        fun ofUnionMember1(unionMember1: UnionMember1) =
+                            Value(unionMember1 = unionMember1)
                     }
 
                     /**
@@ -4840,7 +5125,7 @@ private constructor(
 
                         fun visitNumber(number: Double): T
 
-                        fun visitJson(json: JsonValue): T
+                        fun visitUnionMember1(unionMember1: UnionMember1): T
 
                         /**
                          * Maps an unknown variant of [Value] to a value of type [T].
@@ -4864,19 +5149,20 @@ private constructor(
 
                             val bestMatches =
                                 sequenceOf(
+                                        tryDeserialize(node, jacksonTypeRef<UnionMember1>())?.let {
+                                            Value(unionMember1 = it, _json = json)
+                                        },
                                         tryDeserialize(node, jacksonTypeRef<Double>())?.let {
                                             Value(number = it, _json = json)
                                         },
-                                        tryDeserialize(node, jacksonTypeRef<JsonValue>())?.let {
-                                            Value(json = it, _json = json)
-                                        },
                                     )
                                     .filterNotNull()
                                     .allMaxBy { it.validity() }
                                     .toList()
                             return when (bestMatches.size) {
                                 // This can happen if what we're deserializing is completely
-                                // incompatible with all the possible variants.
+                                // incompatible with all the possible variants (e.g. deserializing
+                                // from boolean).
                                 0 -> Value(_json = json)
                                 1 -> bestMatches.single()
                                 // If there's more than one match with the highest validity, then
@@ -4897,12 +5183,126 @@ private constructor(
                         ) {
                             when {
                                 value.number != null -> generator.writeObject(value.number)
-                                value.json != null -> generator.writeObject(value.json)
+                                value.unionMember1 != null ->
+                                    generator.writeObject(value.unionMember1)
                                 value._json != null -> generator.writeObject(value._json)
                                 else -> throw IllegalStateException("Invalid Value")
                             }
                         }
                     }
+
+                    class UnionMember1
+                    @JsonCreator
+                    private constructor(
+                        @com.fasterxml.jackson.annotation.JsonValue
+                        private val additionalProperties: Map<String, JsonValue>
+                    ) {
+
+                        @JsonAnyGetter
+                        @ExcludeMissing
+                        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+                        fun toBuilder() = Builder().from(this)
+
+                        companion object {
+
+                            /**
+                             * Returns a mutable builder for constructing an instance of
+                             * [UnionMember1].
+                             */
+                            @JvmStatic fun builder() = Builder()
+                        }
+
+                        /** A builder for [UnionMember1]. */
+                        class Builder internal constructor() {
+
+                            private var additionalProperties: MutableMap<String, JsonValue> =
+                                mutableMapOf()
+
+                            @JvmSynthetic
+                            internal fun from(unionMember1: UnionMember1) = apply {
+                                additionalProperties =
+                                    unionMember1.additionalProperties.toMutableMap()
+                            }
+
+                            fun additionalProperties(additionalProperties: Map<String, JsonValue>) =
+                                apply {
+                                    this.additionalProperties.clear()
+                                    putAllAdditionalProperties(additionalProperties)
+                                }
+
+                            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                                additionalProperties.put(key, value)
+                            }
+
+                            fun putAllAdditionalProperties(
+                                additionalProperties: Map<String, JsonValue>
+                            ) = apply { this.additionalProperties.putAll(additionalProperties) }
+
+                            fun removeAdditionalProperty(key: String) = apply {
+                                additionalProperties.remove(key)
+                            }
+
+                            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                                keys.forEach(::removeAdditionalProperty)
+                            }
+
+                            /**
+                             * Returns an immutable instance of [UnionMember1].
+                             *
+                             * Further updates to this [Builder] will not mutate the returned
+                             * instance.
+                             */
+                            fun build(): UnionMember1 =
+                                UnionMember1(additionalProperties.toImmutable())
+                        }
+
+                        private var validated: Boolean = false
+
+                        fun validate(): UnionMember1 = apply {
+                            if (validated) {
+                                return@apply
+                            }
+
+                            validated = true
+                        }
+
+                        fun isValid(): Boolean =
+                            try {
+                                validate()
+                                true
+                            } catch (e: LangChainInvalidDataException) {
+                                false
+                            }
+
+                        /**
+                         * Returns a score indicating how many valid values are contained in this
+                         * object recursively.
+                         *
+                         * Used for best match union deserialization.
+                         */
+                        @JvmSynthetic
+                        internal fun validity(): Int =
+                            additionalProperties.count { (_, value) ->
+                                !value.isNull() && !value.isMissing()
+                            }
+
+                        override fun equals(other: Any?): Boolean {
+                            if (this === other) {
+                                return true
+                            }
+
+                            return other is UnionMember1 &&
+                                additionalProperties == other.additionalProperties
+                        }
+
+                        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+                        override fun hashCode(): Int = hashCode
+
+                        override fun toString() =
+                            "UnionMember1{additionalProperties=$additionalProperties}"
+                    }
                 }
 
                 override fun equals(other: Any?): Boolean {
@@ -7054,6 +7454,110 @@ private constructor(
                     "CommonFilters{filter=$filter, session=$session, traceFilter=$traceFilter, treeFilter=$treeFilter, additionalProperties=$additionalProperties}"
             }
 
+            class Metadata
+            @JsonCreator
+            private constructor(
+                @com.fasterxml.jackson.annotation.JsonValue
+                private val additionalProperties: Map<String, JsonValue>
+            ) {
+
+                @JsonAnyGetter
+                @ExcludeMissing
+                fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+                fun toBuilder() = Builder().from(this)
+
+                companion object {
+
+                    /** Returns a mutable builder for constructing an instance of [Metadata]. */
+                    @JvmStatic fun builder() = Builder()
+                }
+
+                /** A builder for [Metadata]. */
+                class Builder internal constructor() {
+
+                    private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                    @JvmSynthetic
+                    internal fun from(metadata: Metadata) = apply {
+                        additionalProperties = metadata.additionalProperties.toMutableMap()
+                    }
+
+                    fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                        this.additionalProperties.clear()
+                        putAllAdditionalProperties(additionalProperties)
+                    }
+
+                    fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                        additionalProperties.put(key, value)
+                    }
+
+                    fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                        apply {
+                            this.additionalProperties.putAll(additionalProperties)
+                        }
+
+                    fun removeAdditionalProperty(key: String) = apply {
+                        additionalProperties.remove(key)
+                    }
+
+                    fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                        keys.forEach(::removeAdditionalProperty)
+                    }
+
+                    /**
+                     * Returns an immutable instance of [Metadata].
+                     *
+                     * Further updates to this [Builder] will not mutate the returned instance.
+                     */
+                    fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+                }
+
+                private var validated: Boolean = false
+
+                fun validate(): Metadata = apply {
+                    if (validated) {
+                        return@apply
+                    }
+
+                    validated = true
+                }
+
+                fun isValid(): Boolean =
+                    try {
+                        validate()
+                        true
+                    } catch (e: LangChainInvalidDataException) {
+                        false
+                    }
+
+                /**
+                 * Returns a score indicating how many valid values are contained in this object
+                 * recursively.
+                 *
+                 * Used for best match union deserialization.
+                 */
+                @JvmSynthetic
+                internal fun validity(): Int =
+                    additionalProperties.count { (_, value) ->
+                        !value.isNull() && !value.isMissing()
+                    }
+
+                override fun equals(other: Any?): Boolean {
+                    if (this === other) {
+                        return true
+                    }
+
+                    return other is Metadata && additionalProperties == other.additionalProperties
+                }
+
+                private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+                override fun hashCode(): Int = hashCode
+
+                override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+            }
+
             override fun equals(other: Any?): Boolean {
                 if (this === other) {
                     return true

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/sessions/SessionCreateParams.kt

@@ -14,6 +14,7 @@ import com.langchain.smith.core.JsonValue
 import com.langchain.smith.core.Params
 import com.langchain.smith.core.http.Headers
 import com.langchain.smith.core.http.QueryParams
+import com.langchain.smith.core.toImmutable
 import com.langchain.smith.errors.LangChainInvalidDataException
 import java.time.OffsetDateTime
 import java.util.Collections
@@ -56,7 +57,11 @@ private constructor(
      */
     fun endTime(): Optional<OffsetDateTime> = body.endTime()
 
-    fun _extra(): JsonValue = body._extra()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun extra(): Optional<Extra> = body.extra()
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -111,6 +116,13 @@ private constructor(
      */
     fun _endTime(): JsonField<OffsetDateTime> = body._endTime()
 
+    /**
+     * Returns the raw JSON value of [extra].
+     *
+     * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    fun _extra(): JsonField<Extra> = body._extra()
+
     /**
      * Returns the raw JSON value of [name].
      *
@@ -260,7 +272,18 @@ private constructor(
          */
         fun endTime(endTime: JsonField<OffsetDateTime>) = apply { body.endTime(endTime) }
 
-        fun extra(extra: JsonValue) = apply { body.extra(extra) }
+        fun extra(extra: Extra?) = apply { body.extra(extra) }
+
+        /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+        fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
+
+        /**
+         * Sets [Builder.extra] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.extra] with a well-typed [Extra] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun extra(extra: JsonField<Extra>) = apply { body.extra(extra) }
 
         fun name(name: String) = apply { body.name(name) }
 
@@ -469,7 +492,7 @@ private constructor(
         private val defaultDatasetId: JsonField<String>,
         private val description: JsonField<String>,
         private val endTime: JsonField<OffsetDateTime>,
-        private val extra: JsonValue,
+        private val extra: JsonField<Extra>,
         private val name: JsonField<String>,
         private val referenceDatasetId: JsonField<String>,
         private val startTime: JsonField<OffsetDateTime>,
@@ -489,7 +512,7 @@ private constructor(
             @JsonProperty("end_time")
             @ExcludeMissing
             endTime: JsonField<OffsetDateTime> = JsonMissing.of(),
-            @JsonProperty("extra") @ExcludeMissing extra: JsonValue = JsonMissing.of(),
+            @JsonProperty("extra") @ExcludeMissing extra: JsonField<Extra> = JsonMissing.of(),
             @JsonProperty("name") @ExcludeMissing name: JsonField<String> = JsonMissing.of(),
             @JsonProperty("reference_dataset_id")
             @ExcludeMissing
@@ -538,7 +561,11 @@ private constructor(
          */
         fun endTime(): Optional<OffsetDateTime> = endTime.getOptional("end_time")
 
-        @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonValue = extra
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun extra(): Optional<Extra> = extra.getOptional("extra")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -600,6 +627,13 @@ private constructor(
         @ExcludeMissing
         fun _endTime(): JsonField<OffsetDateTime> = endTime
 
+        /**
+         * Returns the raw JSON value of [extra].
+         *
+         * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonField<Extra> = extra
+
         /**
          * Returns the raw JSON value of [name].
          *
@@ -660,7 +694,7 @@ private constructor(
             private var defaultDatasetId: JsonField<String> = JsonMissing.of()
             private var description: JsonField<String> = JsonMissing.of()
             private var endTime: JsonField<OffsetDateTime> = JsonMissing.of()
-            private var extra: JsonValue = JsonMissing.of()
+            private var extra: JsonField<Extra> = JsonMissing.of()
             private var name: JsonField<String> = JsonMissing.of()
             private var referenceDatasetId: JsonField<String> = JsonMissing.of()
             private var startTime: JsonField<OffsetDateTime> = JsonMissing.of()
@@ -745,7 +779,19 @@ private constructor(
              */
             fun endTime(endTime: JsonField<OffsetDateTime>) = apply { this.endTime = endTime }
 
-            fun extra(extra: JsonValue) = apply { this.extra = extra }
+            fun extra(extra: Extra?) = extra(JsonField.ofNullable(extra))
+
+            /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+            fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
+
+            /**
+             * Sets [Builder.extra] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.extra] with a well-typed [Extra] value instead. This
+             * method is primarily for setting the field to an undocumented or not yet supported
+             * value.
+             */
+            fun extra(extra: JsonField<Extra>) = apply { this.extra = extra }
 
             fun name(name: String) = name(JsonField.of(name))
 
@@ -856,6 +902,7 @@ private constructor(
             defaultDatasetId()
             description()
             endTime()
+            extra().ifPresent { it.validate() }
             name()
             referenceDatasetId()
             startTime()
@@ -883,6 +930,7 @@ private constructor(
                 (if (defaultDatasetId.asKnown().isPresent) 1 else 0) +
                 (if (description.asKnown().isPresent) 1 else 0) +
                 (if (endTime.asKnown().isPresent) 1 else 0) +
+                (extra.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (name.asKnown().isPresent) 1 else 0) +
                 (if (referenceDatasetId.asKnown().isPresent) 1 else 0) +
                 (if (startTime.asKnown().isPresent) 1 else 0) +
@@ -927,6 +975,105 @@ private constructor(
             "Body{id=$id, defaultDatasetId=$defaultDatasetId, description=$description, endTime=$endTime, extra=$extra, name=$name, referenceDatasetId=$referenceDatasetId, startTime=$startTime, traceTier=$traceTier, additionalProperties=$additionalProperties}"
     }
 
+    class Extra
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Extra]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Extra]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(extra: Extra) = apply {
+                additionalProperties = extra.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Extra].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Extra = Extra(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Extra = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Extra && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Extra{additionalProperties=$additionalProperties}"
+    }
+
     class TraceTier @JsonCreator private constructor(private val value: JsonField<String>) : Enum {
 
         /**

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/sessions/SessionUpdateParams.kt

@@ -14,6 +14,7 @@ import com.langchain.smith.core.JsonValue
 import com.langchain.smith.core.Params
 import com.langchain.smith.core.http.Headers
 import com.langchain.smith.core.http.QueryParams
+import com.langchain.smith.core.toImmutable
 import com.langchain.smith.errors.LangChainInvalidDataException
 import java.time.OffsetDateTime
 import java.util.Collections
@@ -50,7 +51,11 @@ private constructor(
      */
     fun endTime(): Optional<OffsetDateTime> = body.endTime()
 
-    fun _extra(): JsonValue = body._extra()
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun extra(): Optional<Extra> = body.extra()
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -86,6 +91,13 @@ private constructor(
      */
     fun _endTime(): JsonField<OffsetDateTime> = body._endTime()
 
+    /**
+     * Returns the raw JSON value of [extra].
+     *
+     * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    fun _extra(): JsonField<Extra> = body._extra()
+
     /**
      * Returns the raw JSON value of [name].
      *
@@ -200,7 +212,18 @@ private constructor(
          */
         fun endTime(endTime: JsonField<OffsetDateTime>) = apply { body.endTime(endTime) }
 
-        fun extra(extra: JsonValue) = apply { body.extra(extra) }
+        fun extra(extra: Extra?) = apply { body.extra(extra) }
+
+        /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+        fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
+
+        /**
+         * Sets [Builder.extra] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.extra] with a well-typed [Extra] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun extra(extra: JsonField<Extra>) = apply { body.extra(extra) }
 
         fun name(name: String?) = apply { body.name(name) }
 
@@ -379,7 +402,7 @@ private constructor(
         private val defaultDatasetId: JsonField<String>,
         private val description: JsonField<String>,
         private val endTime: JsonField<OffsetDateTime>,
-        private val extra: JsonValue,
+        private val extra: JsonField<Extra>,
         private val name: JsonField<String>,
         private val traceTier: JsonField<TraceTier>,
         private val additionalProperties: MutableMap<String, JsonValue>,
@@ -396,7 +419,7 @@ private constructor(
             @JsonProperty("end_time")
             @ExcludeMissing
             endTime: JsonField<OffsetDateTime> = JsonMissing.of(),
-            @JsonProperty("extra") @ExcludeMissing extra: JsonValue = JsonMissing.of(),
+            @JsonProperty("extra") @ExcludeMissing extra: JsonField<Extra> = JsonMissing.of(),
             @JsonProperty("name") @ExcludeMissing name: JsonField<String> = JsonMissing.of(),
             @JsonProperty("trace_tier")
             @ExcludeMissing
@@ -422,7 +445,11 @@ private constructor(
          */
         fun endTime(): Optional<OffsetDateTime> = endTime.getOptional("end_time")
 
-        @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonValue = extra
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun extra(): Optional<Extra> = extra.getOptional("extra")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -464,6 +491,13 @@ private constructor(
         @ExcludeMissing
         fun _endTime(): JsonField<OffsetDateTime> = endTime
 
+        /**
+         * Returns the raw JSON value of [extra].
+         *
+         * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonField<Extra> = extra
+
         /**
          * Returns the raw JSON value of [name].
          *
@@ -504,7 +538,7 @@ private constructor(
             private var defaultDatasetId: JsonField<String> = JsonMissing.of()
             private var description: JsonField<String> = JsonMissing.of()
             private var endTime: JsonField<OffsetDateTime> = JsonMissing.of()
-            private var extra: JsonValue = JsonMissing.of()
+            private var extra: JsonField<Extra> = JsonMissing.of()
             private var name: JsonField<String> = JsonMissing.of()
             private var traceTier: JsonField<TraceTier> = JsonMissing.of()
             private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
@@ -570,7 +604,19 @@ private constructor(
              */
             fun endTime(endTime: JsonField<OffsetDateTime>) = apply { this.endTime = endTime }
 
-            fun extra(extra: JsonValue) = apply { this.extra = extra }
+            fun extra(extra: Extra?) = extra(JsonField.ofNullable(extra))
+
+            /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+            fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
+
+            /**
+             * Sets [Builder.extra] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.extra] with a well-typed [Extra] value instead. This
+             * method is primarily for setting the field to an undocumented or not yet supported
+             * value.
+             */
+            fun extra(extra: JsonField<Extra>) = apply { this.extra = extra }
 
             fun name(name: String?) = name(JsonField.ofNullable(name))
 
@@ -646,6 +692,7 @@ private constructor(
             defaultDatasetId()
             description()
             endTime()
+            extra().ifPresent { it.validate() }
             name()
             traceTier().ifPresent { it.validate() }
             validated = true
@@ -670,6 +717,7 @@ private constructor(
             (if (defaultDatasetId.asKnown().isPresent) 1 else 0) +
                 (if (description.asKnown().isPresent) 1 else 0) +
                 (if (endTime.asKnown().isPresent) 1 else 0) +
+                (extra.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (name.asKnown().isPresent) 1 else 0) +
                 (traceTier.asKnown().getOrNull()?.validity() ?: 0)
 
@@ -706,6 +754,105 @@ private constructor(
             "Body{defaultDatasetId=$defaultDatasetId, description=$description, endTime=$endTime, extra=$extra, name=$name, traceTier=$traceTier, additionalProperties=$additionalProperties}"
     }
 
+    class Extra
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Extra]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Extra]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(extra: Extra) = apply {
+                additionalProperties = extra.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Extra].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Extra = Extra(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Extra = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Extra && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Extra{additionalProperties=$additionalProperties}"
+    }
+
     class TraceTier @JsonCreator private constructor(private val value: JsonField<String>) : Enum {
 
         /**

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/sessions/TracerSession.kt

@@ -33,8 +33,8 @@ private constructor(
     private val description: JsonField<String>,
     private val endTime: JsonField<OffsetDateTime>,
     private val errorRate: JsonField<Double>,
-    private val extra: JsonValue,
-    private val feedbackStats: JsonValue,
+    private val extra: JsonField<Extra>,
+    private val feedbackStats: JsonField<FeedbackStats>,
     private val firstTokenP50: JsonField<Double>,
     private val firstTokenP99: JsonField<Double>,
     private val lastRunStartTime: JsonField<OffsetDateTime>,
@@ -46,8 +46,8 @@ private constructor(
     private val promptTokens: JsonField<Long>,
     private val referenceDatasetId: JsonField<String>,
     private val runCount: JsonField<Long>,
-    private val runFacets: JsonField<List<JsonValue>>,
-    private val sessionFeedbackStats: JsonValue,
+    private val runFacets: JsonField<List<RunFacet>>,
+    private val sessionFeedbackStats: JsonField<SessionFeedbackStats>,
     private val startTime: JsonField<OffsetDateTime>,
     private val streamingRate: JsonField<Double>,
     private val testRunNumber: JsonField<Long>,
@@ -77,8 +77,10 @@ private constructor(
         @ExcludeMissing
         endTime: JsonField<OffsetDateTime> = JsonMissing.of(),
         @JsonProperty("error_rate") @ExcludeMissing errorRate: JsonField<Double> = JsonMissing.of(),
-        @JsonProperty("extra") @ExcludeMissing extra: JsonValue = JsonMissing.of(),
-        @JsonProperty("feedback_stats") @ExcludeMissing feedbackStats: JsonValue = JsonMissing.of(),
+        @JsonProperty("extra") @ExcludeMissing extra: JsonField<Extra> = JsonMissing.of(),
+        @JsonProperty("feedback_stats")
+        @ExcludeMissing
+        feedbackStats: JsonField<FeedbackStats> = JsonMissing.of(),
         @JsonProperty("first_token_p50")
         @ExcludeMissing
         firstTokenP50: JsonField<Double> = JsonMissing.of(),
@@ -110,10 +112,10 @@ private constructor(
         @JsonProperty("run_count") @ExcludeMissing runCount: JsonField<Long> = JsonMissing.of(),
         @JsonProperty("run_facets")
         @ExcludeMissing
-        runFacets: JsonField<List<JsonValue>> = JsonMissing.of(),
+        runFacets: JsonField<List<RunFacet>> = JsonMissing.of(),
         @JsonProperty("session_feedback_stats")
         @ExcludeMissing
-        sessionFeedbackStats: JsonValue = JsonMissing.of(),
+        sessionFeedbackStats: JsonField<SessionFeedbackStats> = JsonMissing.of(),
         @JsonProperty("start_time")
         @ExcludeMissing
         startTime: JsonField<OffsetDateTime> = JsonMissing.of(),
@@ -211,9 +213,17 @@ private constructor(
      */
     fun errorRate(): Optional<Double> = errorRate.getOptional("error_rate")
 
-    @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonValue = extra
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun extra(): Optional<Extra> = extra.getOptional("extra")
 
-    @JsonProperty("feedback_stats") @ExcludeMissing fun _feedbackStats(): JsonValue = feedbackStats
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun feedbackStats(): Optional<FeedbackStats> = feedbackStats.getOptional("feedback_stats")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -288,11 +298,14 @@ private constructor(
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
      *   server responded with an unexpected value).
      */
-    fun runFacets(): Optional<List<JsonValue>> = runFacets.getOptional("run_facets")
+    fun runFacets(): Optional<List<RunFacet>> = runFacets.getOptional("run_facets")
 
-    @JsonProperty("session_feedback_stats")
-    @ExcludeMissing
-    fun _sessionFeedbackStats(): JsonValue = sessionFeedbackStats
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun sessionFeedbackStats(): Optional<SessionFeedbackStats> =
+        sessionFeedbackStats.getOptional("session_feedback_stats")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -394,6 +407,22 @@ private constructor(
      */
     @JsonProperty("error_rate") @ExcludeMissing fun _errorRate(): JsonField<Double> = errorRate
 
+    /**
+     * Returns the raw JSON value of [extra].
+     *
+     * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonField<Extra> = extra
+
+    /**
+     * Returns the raw JSON value of [feedbackStats].
+     *
+     * Unlike [feedbackStats], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("feedback_stats")
+    @ExcludeMissing
+    fun _feedbackStats(): JsonField<FeedbackStats> = feedbackStats
+
     /**
      * Returns the raw JSON value of [firstTokenP50].
      *
@@ -493,7 +522,17 @@ private constructor(
      */
     @JsonProperty("run_facets")
     @ExcludeMissing
-    fun _runFacets(): JsonField<List<JsonValue>> = runFacets
+    fun _runFacets(): JsonField<List<RunFacet>> = runFacets
+
+    /**
+     * Returns the raw JSON value of [sessionFeedbackStats].
+     *
+     * Unlike [sessionFeedbackStats], this method doesn't throw if the JSON field has an unexpected
+     * type.
+     */
+    @JsonProperty("session_feedback_stats")
+    @ExcludeMissing
+    fun _sessionFeedbackStats(): JsonField<SessionFeedbackStats> = sessionFeedbackStats
 
     /**
      * Returns the raw JSON value of [startTime].
@@ -580,8 +619,8 @@ private constructor(
         private var description: JsonField<String> = JsonMissing.of()
         private var endTime: JsonField<OffsetDateTime> = JsonMissing.of()
         private var errorRate: JsonField<Double> = JsonMissing.of()
-        private var extra: JsonValue = JsonMissing.of()
-        private var feedbackStats: JsonValue = JsonMissing.of()
+        private var extra: JsonField<Extra> = JsonMissing.of()
+        private var feedbackStats: JsonField<FeedbackStats> = JsonMissing.of()
         private var firstTokenP50: JsonField<Double> = JsonMissing.of()
         private var firstTokenP99: JsonField<Double> = JsonMissing.of()
         private var lastRunStartTime: JsonField<OffsetDateTime> = JsonMissing.of()
@@ -593,8 +632,8 @@ private constructor(
         private var promptTokens: JsonField<Long> = JsonMissing.of()
         private var referenceDatasetId: JsonField<String> = JsonMissing.of()
         private var runCount: JsonField<Long> = JsonMissing.of()
-        private var runFacets: JsonField<MutableList<JsonValue>>? = null
-        private var sessionFeedbackStats: JsonValue = JsonMissing.of()
+        private var runFacets: JsonField<MutableList<RunFacet>>? = null
+        private var sessionFeedbackStats: JsonField<SessionFeedbackStats> = JsonMissing.of()
         private var startTime: JsonField<OffsetDateTime> = JsonMissing.of()
         private var streamingRate: JsonField<Double> = JsonMissing.of()
         private var testRunNumber: JsonField<Long> = JsonMissing.of()
@@ -767,9 +806,36 @@ private constructor(
          */
         fun errorRate(errorRate: JsonField<Double>) = apply { this.errorRate = errorRate }
 
-        fun extra(extra: JsonValue) = apply { this.extra = extra }
+        fun extra(extra: Extra?) = extra(JsonField.ofNullable(extra))
 
-        fun feedbackStats(feedbackStats: JsonValue) = apply { this.feedbackStats = feedbackStats }
+        /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+        fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
+
+        /**
+         * Sets [Builder.extra] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.extra] with a well-typed [Extra] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun extra(extra: JsonField<Extra>) = apply { this.extra = extra }
+
+        fun feedbackStats(feedbackStats: FeedbackStats?) =
+            feedbackStats(JsonField.ofNullable(feedbackStats))
+
+        /** Alias for calling [Builder.feedbackStats] with `feedbackStats.orElse(null)`. */
+        fun feedbackStats(feedbackStats: Optional<FeedbackStats>) =
+            feedbackStats(feedbackStats.getOrNull())
+
+        /**
+         * Sets [Builder.feedbackStats] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.feedbackStats] with a well-typed [FeedbackStats] value
+         * instead. This method is primarily for setting the field to an undocumented or not yet
+         * supported value.
+         */
+        fun feedbackStats(feedbackStats: JsonField<FeedbackStats>) = apply {
+            this.feedbackStats = feedbackStats
+        }
 
         fun firstTokenP50(firstTokenP50: Double?) =
             firstTokenP50(JsonField.ofNullable(firstTokenP50))
@@ -987,35 +1053,52 @@ private constructor(
          */
         fun runCount(runCount: JsonField<Long>) = apply { this.runCount = runCount }
 
-        fun runFacets(runFacets: List<JsonValue>?) = runFacets(JsonField.ofNullable(runFacets))
+        fun runFacets(runFacets: List<RunFacet>?) = runFacets(JsonField.ofNullable(runFacets))
 
         /** Alias for calling [Builder.runFacets] with `runFacets.orElse(null)`. */
-        fun runFacets(runFacets: Optional<List<JsonValue>>) = runFacets(runFacets.getOrNull())
+        fun runFacets(runFacets: Optional<List<RunFacet>>) = runFacets(runFacets.getOrNull())
 
         /**
          * Sets [Builder.runFacets] to an arbitrary JSON value.
          *
-         * You should usually call [Builder.runFacets] with a well-typed `List<JsonValue>` value
+         * You should usually call [Builder.runFacets] with a well-typed `List<RunFacet>` value
          * instead. This method is primarily for setting the field to an undocumented or not yet
          * supported value.
          */
-        fun runFacets(runFacets: JsonField<List<JsonValue>>) = apply {
+        fun runFacets(runFacets: JsonField<List<RunFacet>>) = apply {
             this.runFacets = runFacets.map { it.toMutableList() }
         }
 
         /**
-         * Adds a single [JsonValue] to [runFacets].
+         * Adds a single [RunFacet] to [runFacets].
          *
          * @throws IllegalStateException if the field was previously set to a non-list.
          */
-        fun addRunFacet(runFacet: JsonValue) = apply {
+        fun addRunFacet(runFacet: RunFacet) = apply {
             runFacets =
                 (runFacets ?: JsonField.of(mutableListOf())).also {
                     checkKnown("runFacets", it).add(runFacet)
                 }
         }
 
-        fun sessionFeedbackStats(sessionFeedbackStats: JsonValue) = apply {
+        fun sessionFeedbackStats(sessionFeedbackStats: SessionFeedbackStats?) =
+            sessionFeedbackStats(JsonField.ofNullable(sessionFeedbackStats))
+
+        /**
+         * Alias for calling [Builder.sessionFeedbackStats] with
+         * `sessionFeedbackStats.orElse(null)`.
+         */
+        fun sessionFeedbackStats(sessionFeedbackStats: Optional<SessionFeedbackStats>) =
+            sessionFeedbackStats(sessionFeedbackStats.getOrNull())
+
+        /**
+         * Sets [Builder.sessionFeedbackStats] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.sessionFeedbackStats] with a well-typed
+         * [SessionFeedbackStats] value instead. This method is primarily for setting the field to
+         * an undocumented or not yet supported value.
+         */
+        fun sessionFeedbackStats(sessionFeedbackStats: JsonField<SessionFeedbackStats>) = apply {
             this.sessionFeedbackStats = sessionFeedbackStats
         }
 
@@ -1209,6 +1292,8 @@ private constructor(
         description()
         endTime()
         errorRate()
+        extra().ifPresent { it.validate() }
+        feedbackStats().ifPresent { it.validate() }
         firstTokenP50()
         firstTokenP99()
         lastRunStartTime()
@@ -1220,7 +1305,8 @@ private constructor(
         promptTokens()
         referenceDatasetId()
         runCount()
-        runFacets()
+        runFacets().ifPresent { it.forEach { it.validate() } }
+        sessionFeedbackStats().ifPresent { it.validate() }
         startTime()
         streamingRate()
         testRunNumber()
@@ -1253,6 +1339,8 @@ private constructor(
             (if (description.asKnown().isPresent) 1 else 0) +
             (if (endTime.asKnown().isPresent) 1 else 0) +
             (if (errorRate.asKnown().isPresent) 1 else 0) +
+            (extra.asKnown().getOrNull()?.validity() ?: 0) +
+            (feedbackStats.asKnown().getOrNull()?.validity() ?: 0) +
             (if (firstTokenP50.asKnown().isPresent) 1 else 0) +
             (if (firstTokenP99.asKnown().isPresent) 1 else 0) +
             (if (lastRunStartTime.asKnown().isPresent) 1 else 0) +
@@ -1264,7 +1352,8 @@ private constructor(
             (if (promptTokens.asKnown().isPresent) 1 else 0) +
             (if (referenceDatasetId.asKnown().isPresent) 1 else 0) +
             (if (runCount.asKnown().isPresent) 1 else 0) +
-            (runFacets.asKnown().getOrNull()?.size ?: 0) +
+            (runFacets.asKnown().getOrNull()?.sumOf { it.validity().toInt() } ?: 0) +
+            (sessionFeedbackStats.asKnown().getOrNull()?.validity() ?: 0) +
             (if (startTime.asKnown().isPresent) 1 else 0) +
             (if (streamingRate.asKnown().isPresent) 1 else 0) +
             (if (testRunNumber.asKnown().isPresent) 1 else 0) +
@@ -1272,6 +1361,404 @@ private constructor(
             (if (totalTokens.asKnown().isPresent) 1 else 0) +
             (traceTier.asKnown().getOrNull()?.validity() ?: 0)
 
+    class Extra
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Extra]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Extra]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(extra: Extra) = apply {
+                additionalProperties = extra.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Extra].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Extra = Extra(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Extra = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Extra && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Extra{additionalProperties=$additionalProperties}"
+    }
+
+    class FeedbackStats
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [FeedbackStats]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [FeedbackStats]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(feedbackStats: FeedbackStats) = apply {
+                additionalProperties = feedbackStats.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [FeedbackStats].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): FeedbackStats = FeedbackStats(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): FeedbackStats = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is FeedbackStats && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "FeedbackStats{additionalProperties=$additionalProperties}"
+    }
+
+    class RunFacet
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [RunFacet]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [RunFacet]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(runFacet: RunFacet) = apply {
+                additionalProperties = runFacet.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [RunFacet].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): RunFacet = RunFacet(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): RunFacet = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is RunFacet && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "RunFacet{additionalProperties=$additionalProperties}"
+    }
+
+    class SessionFeedbackStats
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [SessionFeedbackStats]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [SessionFeedbackStats]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(sessionFeedbackStats: SessionFeedbackStats) = apply {
+                additionalProperties = sessionFeedbackStats.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [SessionFeedbackStats].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): SessionFeedbackStats =
+                SessionFeedbackStats(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): SessionFeedbackStats = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is SessionFeedbackStats &&
+                additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "SessionFeedbackStats{additionalProperties=$additionalProperties}"
+    }
+
     class TraceTier @JsonCreator private constructor(private val value: JsonField<String>) : Enum {
 
         /**

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/sessions/TracerSessionWithoutVirtualFields.kt

@@ -12,6 +12,7 @@ import com.langchain.smith.core.JsonField
 import com.langchain.smith.core.JsonMissing
 import com.langchain.smith.core.JsonValue
 import com.langchain.smith.core.checkRequired
+import com.langchain.smith.core.toImmutable
 import com.langchain.smith.errors.LangChainInvalidDataException
 import java.time.OffsetDateTime
 import java.util.Collections
@@ -28,7 +29,7 @@ private constructor(
     private val defaultDatasetId: JsonField<String>,
     private val description: JsonField<String>,
     private val endTime: JsonField<OffsetDateTime>,
-    private val extra: JsonValue,
+    private val extra: JsonField<Extra>,
     private val lastRunStartTimeLive: JsonField<OffsetDateTime>,
     private val name: JsonField<String>,
     private val referenceDatasetId: JsonField<String>,
@@ -50,7 +51,7 @@ private constructor(
         @JsonProperty("end_time")
         @ExcludeMissing
         endTime: JsonField<OffsetDateTime> = JsonMissing.of(),
-        @JsonProperty("extra") @ExcludeMissing extra: JsonValue = JsonMissing.of(),
+        @JsonProperty("extra") @ExcludeMissing extra: JsonField<Extra> = JsonMissing.of(),
         @JsonProperty("last_run_start_time_live")
         @ExcludeMissing
         lastRunStartTimeLive: JsonField<OffsetDateTime> = JsonMissing.of(),
@@ -109,7 +110,11 @@ private constructor(
      */
     fun endTime(): Optional<OffsetDateTime> = endTime.getOptional("end_time")
 
-    @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonValue = extra
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun extra(): Optional<Extra> = extra.getOptional("extra")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -181,6 +186,13 @@ private constructor(
      */
     @JsonProperty("end_time") @ExcludeMissing fun _endTime(): JsonField<OffsetDateTime> = endTime
 
+    /**
+     * Returns the raw JSON value of [extra].
+     *
+     * Unlike [extra], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("extra") @ExcludeMissing fun _extra(): JsonField<Extra> = extra
+
     /**
      * Returns the raw JSON value of [lastRunStartTimeLive].
      *
@@ -259,7 +271,7 @@ private constructor(
         private var defaultDatasetId: JsonField<String> = JsonMissing.of()
         private var description: JsonField<String> = JsonMissing.of()
         private var endTime: JsonField<OffsetDateTime> = JsonMissing.of()
-        private var extra: JsonValue = JsonMissing.of()
+        private var extra: JsonField<Extra> = JsonMissing.of()
         private var lastRunStartTimeLive: JsonField<OffsetDateTime> = JsonMissing.of()
         private var name: JsonField<String> = JsonMissing.of()
         private var referenceDatasetId: JsonField<String> = JsonMissing.of()
@@ -351,7 +363,18 @@ private constructor(
          */
         fun endTime(endTime: JsonField<OffsetDateTime>) = apply { this.endTime = endTime }
 
-        fun extra(extra: JsonValue) = apply { this.extra = extra }
+        fun extra(extra: Extra?) = extra(JsonField.ofNullable(extra))
+
+        /** Alias for calling [Builder.extra] with `extra.orElse(null)`. */
+        fun extra(extra: Optional<Extra>) = extra(extra.getOrNull())
+
+        /**
+         * Sets [Builder.extra] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.extra] with a well-typed [Extra] value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
+         */
+        fun extra(extra: JsonField<Extra>) = apply { this.extra = extra }
 
         fun lastRunStartTimeLive(lastRunStartTimeLive: OffsetDateTime?) =
             lastRunStartTimeLive(JsonField.ofNullable(lastRunStartTimeLive))
@@ -490,6 +513,7 @@ private constructor(
         defaultDatasetId()
         description()
         endTime()
+        extra().ifPresent { it.validate() }
         lastRunStartTimeLive()
         name()
         referenceDatasetId()
@@ -518,12 +542,112 @@ private constructor(
             (if (defaultDatasetId.asKnown().isPresent) 1 else 0) +
             (if (description.asKnown().isPresent) 1 else 0) +
             (if (endTime.asKnown().isPresent) 1 else 0) +
+            (extra.asKnown().getOrNull()?.validity() ?: 0) +
             (if (lastRunStartTimeLive.asKnown().isPresent) 1 else 0) +
             (if (name.asKnown().isPresent) 1 else 0) +
             (if (referenceDatasetId.asKnown().isPresent) 1 else 0) +
             (if (startTime.asKnown().isPresent) 1 else 0) +
             (traceTier.asKnown().getOrNull()?.validity() ?: 0)
 
+    class Extra
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Extra]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Extra]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(extra: Extra) = apply {
+                additionalProperties = extra.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Extra].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Extra = Extra(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Extra = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Extra && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Extra{additionalProperties=$additionalProperties}"
+    }
+
     class TraceTier @JsonCreator private constructor(private val value: JsonField<String>) : Enum {
 
         /**

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/sessions/insights/CreateRunClusteringJobRequest.kt

@@ -24,7 +24,7 @@ import kotlin.jvm.optionals.getOrNull
 class CreateRunClusteringJobRequest
 @JsonCreator(mode = JsonCreator.Mode.DISABLED)
 private constructor(
-    private val attributeSchemas: JsonValue,
+    private val attributeSchemas: JsonField<AttributeSchemas>,
     private val endTime: JsonField<OffsetDateTime>,
     private val filter: JsonField<String>,
     private val hierarchy: JsonField<List<Long>>,
@@ -44,7 +44,7 @@ private constructor(
     private constructor(
         @JsonProperty("attribute_schemas")
         @ExcludeMissing
-        attributeSchemas: JsonValue = JsonMissing.of(),
+        attributeSchemas: JsonField<AttributeSchemas> = JsonMissing.of(),
         @JsonProperty("end_time")
         @ExcludeMissing
         endTime: JsonField<OffsetDateTime> = JsonMissing.of(),
@@ -90,9 +90,12 @@ private constructor(
         mutableMapOf(),
     )
 
-    @JsonProperty("attribute_schemas")
-    @ExcludeMissing
-    fun _attributeSchemas(): JsonValue = attributeSchemas
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun attributeSchemas(): Optional<AttributeSchemas> =
+        attributeSchemas.getOptional("attribute_schemas")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -167,6 +170,16 @@ private constructor(
     fun validateModelSecrets(): Optional<Boolean> =
         validateModelSecrets.getOptional("validate_model_secrets")
 
+    /**
+     * Returns the raw JSON value of [attributeSchemas].
+     *
+     * Unlike [attributeSchemas], this method doesn't throw if the JSON field has an unexpected
+     * type.
+     */
+    @JsonProperty("attribute_schemas")
+    @ExcludeMissing
+    fun _attributeSchemas(): JsonField<AttributeSchemas> = attributeSchemas
+
     /**
      * Returns the raw JSON value of [endTime].
      *
@@ -286,7 +299,7 @@ private constructor(
     /** A builder for [CreateRunClusteringJobRequest]. */
     class Builder internal constructor() {
 
-        private var attributeSchemas: JsonValue = JsonMissing.of()
+        private var attributeSchemas: JsonField<AttributeSchemas> = JsonMissing.of()
         private var endTime: JsonField<OffsetDateTime> = JsonMissing.of()
         private var filter: JsonField<String> = JsonMissing.of()
         private var hierarchy: JsonField<MutableList<Long>>? = null
@@ -319,7 +332,21 @@ private constructor(
             additionalProperties = createRunClusteringJobRequest.additionalProperties.toMutableMap()
         }
 
-        fun attributeSchemas(attributeSchemas: JsonValue) = apply {
+        fun attributeSchemas(attributeSchemas: AttributeSchemas?) =
+            attributeSchemas(JsonField.ofNullable(attributeSchemas))
+
+        /** Alias for calling [Builder.attributeSchemas] with `attributeSchemas.orElse(null)`. */
+        fun attributeSchemas(attributeSchemas: Optional<AttributeSchemas>) =
+            attributeSchemas(attributeSchemas.getOrNull())
+
+        /**
+         * Sets [Builder.attributeSchemas] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.attributeSchemas] with a well-typed [AttributeSchemas]
+         * value instead. This method is primarily for setting the field to an undocumented or not
+         * yet supported value.
+         */
+        fun attributeSchemas(attributeSchemas: JsonField<AttributeSchemas>) = apply {
             this.attributeSchemas = attributeSchemas
         }
 
@@ -567,6 +594,7 @@ private constructor(
             return@apply
         }
 
+        attributeSchemas().ifPresent { it.validate() }
         endTime()
         filter()
         hierarchy()
@@ -597,7 +625,8 @@ private constructor(
      */
     @JvmSynthetic
     internal fun validity(): Int =
-        (if (endTime.asKnown().isPresent) 1 else 0) +
+        (attributeSchemas.asKnown().getOrNull()?.validity() ?: 0) +
+            (if (endTime.asKnown().isPresent) 1 else 0) +
             (if (filter.asKnown().isPresent) 1 else 0) +
             (hierarchy.asKnown().getOrNull()?.size ?: 0) +
             (if (lastNHours.asKnown().isPresent) 1 else 0) +
@@ -610,6 +639,105 @@ private constructor(
             (userContext.asKnown().getOrNull()?.validity() ?: 0) +
             (if (validateModelSecrets.asKnown().isPresent) 1 else 0)
 
+    class AttributeSchemas
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [AttributeSchemas]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [AttributeSchemas]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(attributeSchemas: AttributeSchemas) = apply {
+                additionalProperties = attributeSchemas.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [AttributeSchemas].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): AttributeSchemas = AttributeSchemas(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): AttributeSchemas = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is AttributeSchemas && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "AttributeSchemas{additionalProperties=$additionalProperties}"
+    }
+
     class Model @JsonCreator private constructor(private val value: JsonField<String>) : Enum {
 
         /**

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/sessions/insights/InsightRetrieveJobResponse.kt

@@ -30,7 +30,7 @@ private constructor(
     private val status: JsonField<String>,
     private val endTime: JsonField<OffsetDateTime>,
     private val error: JsonField<String>,
-    private val metadata: JsonValue,
+    private val metadata: JsonField<Metadata>,
     private val shape: JsonField<Shape>,
     private val startTime: JsonField<OffsetDateTime>,
     private val additionalProperties: MutableMap<String, JsonValue>,
@@ -48,7 +48,7 @@ private constructor(
         @ExcludeMissing
         endTime: JsonField<OffsetDateTime> = JsonMissing.of(),
         @JsonProperty("error") @ExcludeMissing error: JsonField<String> = JsonMissing.of(),
-        @JsonProperty("metadata") @ExcludeMissing metadata: JsonValue = JsonMissing.of(),
+        @JsonProperty("metadata") @ExcludeMissing metadata: JsonField<Metadata> = JsonMissing.of(),
         @JsonProperty("shape") @ExcludeMissing shape: JsonField<Shape> = JsonMissing.of(),
         @JsonProperty("start_time")
         @ExcludeMissing
@@ -91,7 +91,11 @@ private constructor(
      */
     fun error(): Optional<String> = error.getOptional("error")
 
-    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonValue = metadata
+    /**
+     * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
+     *   server responded with an unexpected value).
+     */
+    fun metadata(): Optional<Metadata> = metadata.getOptional("metadata")
 
     /**
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if the
@@ -147,6 +151,13 @@ private constructor(
      */
     @JsonProperty("error") @ExcludeMissing fun _error(): JsonField<String> = error
 
+    /**
+     * Returns the raw JSON value of [metadata].
+     *
+     * Unlike [metadata], this method doesn't throw if the JSON field has an unexpected type.
+     */
+    @JsonProperty("metadata") @ExcludeMissing fun _metadata(): JsonField<Metadata> = metadata
+
     /**
      * Returns the raw JSON value of [shape].
      *
@@ -200,7 +211,7 @@ private constructor(
         private var status: JsonField<String>? = null
         private var endTime: JsonField<OffsetDateTime> = JsonMissing.of()
         private var error: JsonField<String> = JsonMissing.of()
-        private var metadata: JsonValue = JsonMissing.of()
+        private var metadata: JsonField<Metadata> = JsonMissing.of()
         private var shape: JsonField<Shape> = JsonMissing.of()
         private var startTime: JsonField<OffsetDateTime> = JsonMissing.of()
         private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
@@ -301,7 +312,19 @@ private constructor(
          */
         fun error(error: JsonField<String>) = apply { this.error = error }
 
-        fun metadata(metadata: JsonValue) = apply { this.metadata = metadata }
+        fun metadata(metadata: Metadata?) = metadata(JsonField.ofNullable(metadata))
+
+        /** Alias for calling [Builder.metadata] with `metadata.orElse(null)`. */
+        fun metadata(metadata: Optional<Metadata>) = metadata(metadata.getOrNull())
+
+        /**
+         * Sets [Builder.metadata] to an arbitrary JSON value.
+         *
+         * You should usually call [Builder.metadata] with a well-typed [Metadata] value instead.
+         * This method is primarily for setting the field to an undocumented or not yet supported
+         * value.
+         */
+        fun metadata(metadata: JsonField<Metadata>) = apply { this.metadata = metadata }
 
         fun shape(shape: Shape?) = shape(JsonField.ofNullable(shape))
 
@@ -392,6 +415,7 @@ private constructor(
         status()
         endTime()
         error()
+        metadata().ifPresent { it.validate() }
         shape().ifPresent { it.validate() }
         startTime()
         validated = true
@@ -418,6 +442,7 @@ private constructor(
             (if (status.asKnown().isPresent) 1 else 0) +
             (if (endTime.asKnown().isPresent) 1 else 0) +
             (if (error.asKnown().isPresent) 1 else 0) +
+            (metadata.asKnown().getOrNull()?.validity() ?: 0) +
             (shape.asKnown().getOrNull()?.validity() ?: 0) +
             (if (startTime.asKnown().isPresent) 1 else 0)
 
@@ -430,7 +455,7 @@ private constructor(
         private val level: JsonField<Long>,
         private val name: JsonField<String>,
         private val numRuns: JsonField<Long>,
-        private val stats: JsonValue,
+        private val stats: JsonField<Stats>,
         private val parentId: JsonField<String>,
         private val parentName: JsonField<String>,
         private val additionalProperties: MutableMap<String, JsonValue>,
@@ -445,7 +470,7 @@ private constructor(
             @JsonProperty("level") @ExcludeMissing level: JsonField<Long> = JsonMissing.of(),
             @JsonProperty("name") @ExcludeMissing name: JsonField<String> = JsonMissing.of(),
             @JsonProperty("num_runs") @ExcludeMissing numRuns: JsonField<Long> = JsonMissing.of(),
-            @JsonProperty("stats") @ExcludeMissing stats: JsonValue = JsonMissing.of(),
+            @JsonProperty("stats") @ExcludeMissing stats: JsonField<Stats> = JsonMissing.of(),
             @JsonProperty("parent_id")
             @ExcludeMissing
             parentId: JsonField<String> = JsonMissing.of(),
@@ -484,7 +509,11 @@ private constructor(
          */
         fun numRuns(): Long = numRuns.getRequired("num_runs")
 
-        @JsonProperty("stats") @ExcludeMissing fun _stats(): JsonValue = stats
+        /**
+         * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
+         */
+        fun stats(): Optional<Stats> = stats.getOptional("stats")
 
         /**
          * @throws LangChainInvalidDataException if the JSON field has an unexpected type (e.g. if
@@ -535,6 +564,13 @@ private constructor(
          */
         @JsonProperty("num_runs") @ExcludeMissing fun _numRuns(): JsonField<Long> = numRuns
 
+        /**
+         * Returns the raw JSON value of [stats].
+         *
+         * Unlike [stats], this method doesn't throw if the JSON field has an unexpected type.
+         */
+        @JsonProperty("stats") @ExcludeMissing fun _stats(): JsonField<Stats> = stats
+
         /**
          * Returns the raw JSON value of [parentId].
          *
@@ -589,7 +625,7 @@ private constructor(
             private var level: JsonField<Long>? = null
             private var name: JsonField<String>? = null
             private var numRuns: JsonField<Long>? = null
-            private var stats: JsonValue? = null
+            private var stats: JsonField<Stats>? = null
             private var parentId: JsonField<String> = JsonMissing.of()
             private var parentName: JsonField<String> = JsonMissing.of()
             private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
@@ -664,7 +700,19 @@ private constructor(
              */
             fun numRuns(numRuns: JsonField<Long>) = apply { this.numRuns = numRuns }
 
-            fun stats(stats: JsonValue) = apply { this.stats = stats }
+            fun stats(stats: Stats?) = stats(JsonField.ofNullable(stats))
+
+            /** Alias for calling [Builder.stats] with `stats.orElse(null)`. */
+            fun stats(stats: Optional<Stats>) = stats(stats.getOrNull())
+
+            /**
+             * Sets [Builder.stats] to an arbitrary JSON value.
+             *
+             * You should usually call [Builder.stats] with a well-typed [Stats] value instead. This
+             * method is primarily for setting the field to an undocumented or not yet supported
+             * value.
+             */
+            fun stats(stats: JsonField<Stats>) = apply { this.stats = stats }
 
             fun parentId(parentId: String?) = parentId(JsonField.ofNullable(parentId))
 
@@ -756,6 +804,7 @@ private constructor(
             level()
             name()
             numRuns()
+            stats().ifPresent { it.validate() }
             parentId()
             parentName()
             validated = true
@@ -782,9 +831,112 @@ private constructor(
                 (if (level.asKnown().isPresent) 1 else 0) +
                 (if (name.asKnown().isPresent) 1 else 0) +
                 (if (numRuns.asKnown().isPresent) 1 else 0) +
+                (stats.asKnown().getOrNull()?.validity() ?: 0) +
                 (if (parentId.asKnown().isPresent) 1 else 0) +
                 (if (parentName.asKnown().isPresent) 1 else 0)
 
+        class Stats
+        @JsonCreator
+        private constructor(
+            @com.fasterxml.jackson.annotation.JsonValue
+            private val additionalProperties: Map<String, JsonValue>
+        ) {
+
+            @JsonAnyGetter
+            @ExcludeMissing
+            fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+            fun toBuilder() = Builder().from(this)
+
+            companion object {
+
+                /** Returns a mutable builder for constructing an instance of [Stats]. */
+                @JvmStatic fun builder() = Builder()
+            }
+
+            /** A builder for [Stats]. */
+            class Builder internal constructor() {
+
+                private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+                @JvmSynthetic
+                internal fun from(stats: Stats) = apply {
+                    additionalProperties = stats.additionalProperties.toMutableMap()
+                }
+
+                fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                    this.additionalProperties.clear()
+                    putAllAdditionalProperties(additionalProperties)
+                }
+
+                fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                    additionalProperties.put(key, value)
+                }
+
+                fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) =
+                    apply {
+                        this.additionalProperties.putAll(additionalProperties)
+                    }
+
+                fun removeAdditionalProperty(key: String) = apply {
+                    additionalProperties.remove(key)
+                }
+
+                fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                    keys.forEach(::removeAdditionalProperty)
+                }
+
+                /**
+                 * Returns an immutable instance of [Stats].
+                 *
+                 * Further updates to this [Builder] will not mutate the returned instance.
+                 */
+                fun build(): Stats = Stats(additionalProperties.toImmutable())
+            }
+
+            private var validated: Boolean = false
+
+            fun validate(): Stats = apply {
+                if (validated) {
+                    return@apply
+                }
+
+                validated = true
+            }
+
+            fun isValid(): Boolean =
+                try {
+                    validate()
+                    true
+                } catch (e: LangChainInvalidDataException) {
+                    false
+                }
+
+            /**
+             * Returns a score indicating how many valid values are contained in this object
+             * recursively.
+             *
+             * Used for best match union deserialization.
+             */
+            @JvmSynthetic
+            internal fun validity(): Int =
+                additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+            override fun equals(other: Any?): Boolean {
+                if (this === other) {
+                    return true
+                }
+
+                return other is Stats && additionalProperties == other.additionalProperties
+            }
+
+            private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+            override fun hashCode(): Int = hashCode
+
+            override fun toString() = "Stats{additionalProperties=$additionalProperties}"
+        }
+
         override fun equals(other: Any?): Boolean {
             if (this === other) {
                 return true
@@ -822,6 +974,105 @@ private constructor(
             "Cluster{id=$id, description=$description, level=$level, name=$name, numRuns=$numRuns, stats=$stats, parentId=$parentId, parentName=$parentName, additionalProperties=$additionalProperties}"
     }
 
+    class Metadata
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Metadata]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Metadata]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(metadata: Metadata) = apply {
+                additionalProperties = metadata.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Metadata].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Metadata = Metadata(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Metadata = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Metadata && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Metadata{additionalProperties=$additionalProperties}"
+    }
+
     class Shape
     @JsonCreator
     private constructor(

langsmith-java-core/src/main/kotlin/com/langchain/smith/models/sessions/insights/InsightRetrieveRunsResponse.kt

@@ -23,14 +23,14 @@ class InsightRetrieveRunsResponse
 @JsonCreator(mode = JsonCreator.Mode.DISABLED)
 private constructor(
     private val offset: JsonField<Long>,
-    private val runs: JsonField<List<JsonValue>>,
+    private val runs: JsonField<List<Run>>,
     private val additionalProperties: MutableMap<String, JsonValue>,
 ) {
 
     @JsonCreator
     private constructor(
         @JsonProperty("offset") @ExcludeMissing offset: JsonField<Long> = JsonMissing.of(),
-        @JsonProperty("runs") @ExcludeMissing runs: JsonField<List<JsonValue>> = JsonMissing.of(),
+        @JsonProperty("runs") @ExcludeMissing runs: JsonField<List<Run>> = JsonMissing.of(),
     ) : this(offset, runs, mutableMapOf())
 
     /**
@@ -43,7 +43,7 @@ private constructor(
      * @throws LangChainInvalidDataException if the JSON field has an unexpected type or is
      *   unexpectedly missing or null (e.g. if the server responded with an unexpected value).
      */
-    fun runs(): List<JsonValue> = runs.getRequired("runs")
+    fun runs(): List<Run> = runs.getRequired("runs")
 
     /**
      * Returns the raw JSON value of [offset].
@@ -57,7 +57,7 @@ private constructor(
      *
      * Unlike [runs], this method doesn't throw if the JSON field has an unexpected type.
      */
-    @JsonProperty("runs") @ExcludeMissing fun _runs(): JsonField<List<JsonValue>> = runs
+    @JsonProperty("runs") @ExcludeMissing fun _runs(): JsonField<List<Run>> = runs
 
     @JsonAnySetter
     private fun putAdditionalProperty(key: String, value: JsonValue) {
@@ -89,7 +89,7 @@ private constructor(
     class Builder internal constructor() {
 
         private var offset: JsonField<Long>? = null
-        private var runs: JsonField<MutableList<JsonValue>>? = null
+        private var runs: JsonField<MutableList<Run>>? = null
         private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
 
         @JvmSynthetic
@@ -119,25 +119,22 @@ private constructor(
          */
         fun offset(offset: JsonField<Long>) = apply { this.offset = offset }
 
-        fun runs(runs: List<JsonValue>) = runs(JsonField.of(runs))
+        fun runs(runs: List<Run>) = runs(JsonField.of(runs))
 
         /**
          * Sets [Builder.runs] to an arbitrary JSON value.
          *
-         * You should usually call [Builder.runs] with a well-typed `List<JsonValue>` value instead.
-         * This method is primarily for setting the field to an undocumented or not yet supported
-         * value.
+         * You should usually call [Builder.runs] with a well-typed `List<Run>` value instead. This
+         * method is primarily for setting the field to an undocumented or not yet supported value.
          */
-        fun runs(runs: JsonField<List<JsonValue>>) = apply {
-            this.runs = runs.map { it.toMutableList() }
-        }
+        fun runs(runs: JsonField<List<Run>>) = apply { this.runs = runs.map { it.toMutableList() } }
 
         /**
-         * Adds a single [JsonValue] to [runs].
+         * Adds a single [Run] to [runs].
          *
          * @throws IllegalStateException if the field was previously set to a non-list.
          */
-        fun addRun(run: JsonValue) = apply {
+        fun addRun(run: Run) = apply {
             runs = (runs ?: JsonField.of(mutableListOf())).also { checkKnown("runs", it).add(run) }
         }
 
@@ -189,7 +186,7 @@ private constructor(
         }
 
         offset()
-        runs()
+        runs().forEach { it.validate() }
         validated = true
     }
 
@@ -208,7 +205,107 @@ private constructor(
      */
     @JvmSynthetic
     internal fun validity(): Int =
-        (if (offset.asKnown().isPresent) 1 else 0) + (runs.asKnown().getOrNull()?.size ?: 0)
+        (if (offset.asKnown().isPresent) 1 else 0) +
+            (runs.asKnown().getOrNull()?.sumOf { it.validity().toInt() } ?: 0)
+
+    class Run
+    @JsonCreator
+    private constructor(
+        @com.fasterxml.jackson.annotation.JsonValue
+        private val additionalProperties: Map<String, JsonValue>
+    ) {
+
+        @JsonAnyGetter
+        @ExcludeMissing
+        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties
+
+        fun toBuilder() = Builder().from(this)
+
+        companion object {
+
+            /** Returns a mutable builder for constructing an instance of [Run]. */
+            @JvmStatic fun builder() = Builder()
+        }
+
+        /** A builder for [Run]. */
+        class Builder internal constructor() {
+
+            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
+
+            @JvmSynthetic
+            internal fun from(run: Run) = apply {
+                additionalProperties = run.additionalProperties.toMutableMap()
+            }
+
+            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.clear()
+                putAllAdditionalProperties(additionalProperties)
+            }
+
+            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
+                additionalProperties.put(key, value)
+            }
+
+            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
+                this.additionalProperties.putAll(additionalProperties)
+            }
+
+            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }
+
+            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
+                keys.forEach(::removeAdditionalProperty)
+            }
+
+            /**
+             * Returns an immutable instance of [Run].
+             *
+             * Further updates to this [Builder] will not mutate the returned instance.
+             */
+            fun build(): Run = Run(additionalProperties.toImmutable())
+        }
+
+        private var validated: Boolean = false
+
+        fun validate(): Run = apply {
+            if (validated) {
+                return@apply
+            }
+
+            validated = true
+        }
+
+        fun isValid(): Boolean =
+            try {
+                validate()
+                true
+            } catch (e: LangChainInvalidDataException) {
+                false
+            }
+
+        /**
+         * Returns a score indicating how many valid values are contained in this object
+         * recursively.
+         *
+         * Used for best match union deserialization.
+         */
+        @JvmSynthetic
+        internal fun validity(): Int =
+            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) {
+                return true
+            }
+
+            return other is Run && additionalProperties == other.additionalProperties
+        }
+
+        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
+
+        override fun hashCode(): Int = hashCode
+
+        override fun toString() = "Run{additionalProperties=$additionalProperties}"
+    }
 
     override fun equals(other: Any?): Boolean {
         if (this === other) {

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/annotationqueues/AnnotationQueueAnnotationQueuesParamsTest.kt

@@ -19,7 +19,11 @@ internal class AnnotationQueueAnnotationQueuesParamsTest {
             .defaultDataset("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
             .description("description")
             .enableReservations(true)
-            .metadata(JsonValue.from(mapOf<String, Any>()))
+            .metadata(
+                AnnotationQueueAnnotationQueuesParams.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
             .numReviewersPerItem(0L)
             .reservationMinutes(0L)
             .rubricInstructions("rubric_instructions")
@@ -54,7 +58,11 @@ internal class AnnotationQueueAnnotationQueuesParamsTest {
                 .defaultDataset("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .description("description")
                 .enableReservations(true)
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    AnnotationQueueAnnotationQueuesParams.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .numReviewersPerItem(0L)
                 .reservationMinutes(0L)
                 .rubricInstructions("rubric_instructions")
@@ -86,7 +94,12 @@ internal class AnnotationQueueAnnotationQueuesParamsTest {
         assertThat(body.defaultDataset()).contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(body.description()).contains("description")
         assertThat(body.enableReservations()).contains(true)
-        assertThat(body._metadata()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(body.metadata())
+            .contains(
+                AnnotationQueueAnnotationQueuesParams.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(body.numReviewersPerItem()).contains(0L)
         assertThat(body.reservationMinutes()).contains(0L)
         assertThat(body.rubricInstructions()).contains("rubric_instructions")

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/annotationqueues/AnnotationQueueRetrieveAnnotationQueuesResponseTest.kt

@@ -24,7 +24,11 @@ internal class AnnotationQueueRetrieveAnnotationQueuesResponseTest {
                 .defaultDataset("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .description("description")
                 .enableReservations(true)
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    AnnotationQueueRetrieveAnnotationQueuesResponse.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .numReviewersPerItem(0L)
                 .reservationMinutes(0L)
                 .runRuleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -48,8 +52,12 @@ internal class AnnotationQueueRetrieveAnnotationQueuesResponseTest {
             .contains("description")
         assertThat(annotationQueueRetrieveAnnotationQueuesResponse.enableReservations())
             .contains(true)
-        assertThat(annotationQueueRetrieveAnnotationQueuesResponse._metadata())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(annotationQueueRetrieveAnnotationQueuesResponse.metadata())
+            .contains(
+                AnnotationQueueRetrieveAnnotationQueuesResponse.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(annotationQueueRetrieveAnnotationQueuesResponse.numReviewersPerItem())
             .contains(0L)
         assertThat(annotationQueueRetrieveAnnotationQueuesResponse.reservationMinutes())
@@ -76,7 +84,11 @@ internal class AnnotationQueueRetrieveAnnotationQueuesResponseTest {
                 .defaultDataset("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .description("description")
                 .enableReservations(true)
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    AnnotationQueueRetrieveAnnotationQueuesResponse.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .numReviewersPerItem(0L)
                 .reservationMinutes(0L)
                 .runRuleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/annotationqueues/AnnotationQueueRetrieveResponseTest.kt

@@ -24,7 +24,11 @@ internal class AnnotationQueueRetrieveResponseTest {
                 .defaultDataset("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .description("description")
                 .enableReservations(true)
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    AnnotationQueueRetrieveResponse.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .numReviewersPerItem(0L)
                 .reservationMinutes(0L)
                 .rubricInstructions("rubric_instructions")
@@ -62,8 +66,12 @@ internal class AnnotationQueueRetrieveResponseTest {
             .contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(annotationQueueRetrieveResponse.description()).contains("description")
         assertThat(annotationQueueRetrieveResponse.enableReservations()).contains(true)
-        assertThat(annotationQueueRetrieveResponse._metadata())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(annotationQueueRetrieveResponse.metadata())
+            .contains(
+                AnnotationQueueRetrieveResponse.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(annotationQueueRetrieveResponse.numReviewersPerItem()).contains(0L)
         assertThat(annotationQueueRetrieveResponse.reservationMinutes()).contains(0L)
         assertThat(annotationQueueRetrieveResponse.rubricInstructions())
@@ -106,7 +114,11 @@ internal class AnnotationQueueRetrieveResponseTest {
                 .defaultDataset("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .description("description")
                 .enableReservations(true)
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    AnnotationQueueRetrieveResponse.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .numReviewersPerItem(0L)
                 .reservationMinutes(0L)
                 .rubricInstructions("rubric_instructions")

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/annotationqueues/AnnotationQueueSchemaTest.kt

@@ -23,7 +23,11 @@ internal class AnnotationQueueSchemaTest {
                 .defaultDataset("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .description("description")
                 .enableReservations(true)
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    AnnotationQueueSchema.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .numReviewersPerItem(0L)
                 .reservationMinutes(0L)
                 .runRuleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -43,8 +47,12 @@ internal class AnnotationQueueSchemaTest {
             .contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(annotationQueueSchema.description()).contains("description")
         assertThat(annotationQueueSchema.enableReservations()).contains(true)
-        assertThat(annotationQueueSchema._metadata())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(annotationQueueSchema.metadata())
+            .contains(
+                AnnotationQueueSchema.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(annotationQueueSchema.numReviewersPerItem()).contains(0L)
         assertThat(annotationQueueSchema.reservationMinutes()).contains(0L)
         assertThat(annotationQueueSchema.runRuleId())
@@ -68,7 +76,11 @@ internal class AnnotationQueueSchemaTest {
                 .defaultDataset("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .description("description")
                 .enableReservations(true)
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    AnnotationQueueSchema.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .numReviewersPerItem(0L)
                 .reservationMinutes(0L)
                 .runRuleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/annotationqueues/AnnotationQueueUpdateParamsTest.kt

@@ -16,7 +16,11 @@ internal class AnnotationQueueUpdateParamsTest {
             .defaultDataset("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
             .description("description")
             .enableReservations(true)
-            .metadata(JsonValue.from(mapOf<String, Any>()))
+            .metadata(
+                AnnotationQueueUpdateParams.Metadata.UnionMember0.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
             .name("name")
             .numReviewersPerItem(0L)
             .reservationMinutes(0L)
@@ -60,7 +64,11 @@ internal class AnnotationQueueUpdateParamsTest {
                 .defaultDataset("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .description("description")
                 .enableReservations(true)
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    AnnotationQueueUpdateParams.Metadata.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .name("name")
                 .numReviewersPerItem(0L)
                 .reservationMinutes(0L)
@@ -90,8 +98,10 @@ internal class AnnotationQueueUpdateParamsTest {
         assertThat(body.enableReservations()).contains(true)
         assertThat(body.metadata())
             .contains(
-                AnnotationQueueUpdateParams.Metadata.ofJsonValue(
-                    JsonValue.from(mapOf<String, Any>())
+                AnnotationQueueUpdateParams.Metadata.ofUnionMember0(
+                    AnnotationQueueUpdateParams.Metadata.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
                 )
             )
         assertThat(body.name()).contains("name")

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/annotationqueues/RunSchemaWithAnnotationQueueInfoTest.kt

@@ -43,26 +43,50 @@ internal class RunSchemaWithAnnotationQueueInfoTest {
                 .effectiveAddedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .error("error")
-                .addEvent(JsonValue.from(mapOf<String, Any>()))
+                .addEvent(
+                    RunSchemaWithAnnotationQueueInfo.Event.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .executionOrder(1L)
-                .extra(JsonValue.from(mapOf<String, Any>()))
+                .extra(
+                    RunSchemaWithAnnotationQueueInfo.Extra.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .feedbackStats(
                     RunSchemaWithAnnotationQueueInfo.FeedbackStats.builder()
-                        .putAdditionalProperty("foo", JsonValue.from(mapOf<String, Any>()))
+                        .putAdditionalProperty("foo", JsonValue.from(mapOf("foo" to "bar")))
                         .build()
                 )
                 .firstTokenTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .inDataset(true)
-                .inputs(JsonValue.from(mapOf<String, Any>()))
+                .inputs(
+                    RunSchemaWithAnnotationQueueInfo.Inputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .inputsPreview("inputs_preview")
-                .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                .inputsS3Urls(
+                    RunSchemaWithAnnotationQueueInfo.InputsS3Urls.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .lastQueuedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .lastReviewedTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .outputs(JsonValue.from(mapOf<String, Any>()))
+                .outputs(
+                    RunSchemaWithAnnotationQueueInfo.Outputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .outputsPreview("outputs_preview")
-                .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                .outputsS3Urls(
+                    RunSchemaWithAnnotationQueueInfo.OutputsS3Urls.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .addParentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .priceModelId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -80,8 +104,16 @@ internal class RunSchemaWithAnnotationQueueInfoTest {
                 .promptTokens(0L)
                 .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                .serialized(JsonValue.from(mapOf<String, Any>()))
+                .s3Urls(
+                    RunSchemaWithAnnotationQueueInfo.S3Urls.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .serialized(
+                    RunSchemaWithAnnotationQueueInfo.Serialized.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .shareToken("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .addTag("string")
@@ -136,24 +168,40 @@ internal class RunSchemaWithAnnotationQueueInfoTest {
             .contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
         assertThat(runSchemaWithAnnotationQueueInfo.error()).contains("error")
         assertThat(runSchemaWithAnnotationQueueInfo.events().getOrNull())
-            .containsExactly(JsonValue.from(mapOf<String, Any>()))
+            .containsExactly(
+                RunSchemaWithAnnotationQueueInfo.Event.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(runSchemaWithAnnotationQueueInfo.executionOrder()).contains(1L)
-        assertThat(runSchemaWithAnnotationQueueInfo._extra())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(runSchemaWithAnnotationQueueInfo.extra())
+            .contains(
+                RunSchemaWithAnnotationQueueInfo.Extra.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(runSchemaWithAnnotationQueueInfo.feedbackStats())
             .contains(
                 RunSchemaWithAnnotationQueueInfo.FeedbackStats.builder()
-                    .putAdditionalProperty("foo", JsonValue.from(mapOf<String, Any>()))
+                    .putAdditionalProperty("foo", JsonValue.from(mapOf("foo" to "bar")))
                     .build()
             )
         assertThat(runSchemaWithAnnotationQueueInfo.firstTokenTime())
             .contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
         assertThat(runSchemaWithAnnotationQueueInfo.inDataset()).contains(true)
-        assertThat(runSchemaWithAnnotationQueueInfo._inputs())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(runSchemaWithAnnotationQueueInfo.inputs())
+            .contains(
+                RunSchemaWithAnnotationQueueInfo.Inputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(runSchemaWithAnnotationQueueInfo.inputsPreview()).contains("inputs_preview")
-        assertThat(runSchemaWithAnnotationQueueInfo._inputsS3Urls())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(runSchemaWithAnnotationQueueInfo.inputsS3Urls())
+            .contains(
+                RunSchemaWithAnnotationQueueInfo.InputsS3Urls.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(runSchemaWithAnnotationQueueInfo.lastQueuedAt())
             .contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
         assertThat(runSchemaWithAnnotationQueueInfo.lastReviewedTime())
@@ -162,11 +210,19 @@ internal class RunSchemaWithAnnotationQueueInfoTest {
             .contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(runSchemaWithAnnotationQueueInfo.manifestS3Id())
             .contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-        assertThat(runSchemaWithAnnotationQueueInfo._outputs())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(runSchemaWithAnnotationQueueInfo.outputs())
+            .contains(
+                RunSchemaWithAnnotationQueueInfo.Outputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(runSchemaWithAnnotationQueueInfo.outputsPreview()).contains("outputs_preview")
-        assertThat(runSchemaWithAnnotationQueueInfo._outputsS3Urls())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(runSchemaWithAnnotationQueueInfo.outputsS3Urls())
+            .contains(
+                RunSchemaWithAnnotationQueueInfo.OutputsS3Urls.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(runSchemaWithAnnotationQueueInfo.parentRunId())
             .contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(runSchemaWithAnnotationQueueInfo.parentRunIds().getOrNull())
@@ -191,10 +247,18 @@ internal class RunSchemaWithAnnotationQueueInfoTest {
             .contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(runSchemaWithAnnotationQueueInfo.referenceExampleId())
             .contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-        assertThat(runSchemaWithAnnotationQueueInfo._s3Urls())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
-        assertThat(runSchemaWithAnnotationQueueInfo._serialized())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(runSchemaWithAnnotationQueueInfo.s3Urls())
+            .contains(
+                RunSchemaWithAnnotationQueueInfo.S3Urls.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+        assertThat(runSchemaWithAnnotationQueueInfo.serialized())
+            .contains(
+                RunSchemaWithAnnotationQueueInfo.Serialized.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(runSchemaWithAnnotationQueueInfo.shareToken())
             .contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(runSchemaWithAnnotationQueueInfo.startTime())
@@ -247,26 +311,50 @@ internal class RunSchemaWithAnnotationQueueInfoTest {
                 .effectiveAddedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .error("error")
-                .addEvent(JsonValue.from(mapOf<String, Any>()))
+                .addEvent(
+                    RunSchemaWithAnnotationQueueInfo.Event.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .executionOrder(1L)
-                .extra(JsonValue.from(mapOf<String, Any>()))
+                .extra(
+                    RunSchemaWithAnnotationQueueInfo.Extra.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .feedbackStats(
                     RunSchemaWithAnnotationQueueInfo.FeedbackStats.builder()
-                        .putAdditionalProperty("foo", JsonValue.from(mapOf<String, Any>()))
+                        .putAdditionalProperty("foo", JsonValue.from(mapOf("foo" to "bar")))
                         .build()
                 )
                 .firstTokenTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .inDataset(true)
-                .inputs(JsonValue.from(mapOf<String, Any>()))
+                .inputs(
+                    RunSchemaWithAnnotationQueueInfo.Inputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .inputsPreview("inputs_preview")
-                .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                .inputsS3Urls(
+                    RunSchemaWithAnnotationQueueInfo.InputsS3Urls.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .lastQueuedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .lastReviewedTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .outputs(JsonValue.from(mapOf<String, Any>()))
+                .outputs(
+                    RunSchemaWithAnnotationQueueInfo.Outputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .outputsPreview("outputs_preview")
-                .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                .outputsS3Urls(
+                    RunSchemaWithAnnotationQueueInfo.OutputsS3Urls.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .addParentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .priceModelId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -284,8 +372,16 @@ internal class RunSchemaWithAnnotationQueueInfoTest {
                 .promptTokens(0L)
                 .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                .serialized(JsonValue.from(mapOf<String, Any>()))
+                .s3Urls(
+                    RunSchemaWithAnnotationQueueInfo.S3Urls.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .serialized(
+                    RunSchemaWithAnnotationQueueInfo.Serialized.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .shareToken("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .addTag("string")

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/commits/CommitListPageResponseTest.kt

@@ -21,7 +21,11 @@ internal class CommitListPageResponseTest {
                         .commitHash("commit_hash")
                         .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .addExampleRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .manifest(JsonValue.from(mapOf<String, Any>()))
+                        .manifest(
+                            CommitWithLookups.Manifest.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .numDownloads(0L)
                         .numViews(0L)
                         .repoId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -41,7 +45,11 @@ internal class CommitListPageResponseTest {
                     .commitHash("commit_hash")
                     .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .addExampleRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .manifest(JsonValue.from(mapOf<String, Any>()))
+                    .manifest(
+                        CommitWithLookups.Manifest.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .numDownloads(0L)
                     .numViews(0L)
                     .repoId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -65,7 +73,11 @@ internal class CommitListPageResponseTest {
                         .commitHash("commit_hash")
                         .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .addExampleRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .manifest(JsonValue.from(mapOf<String, Any>()))
+                        .manifest(
+                            CommitWithLookups.Manifest.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .numDownloads(0L)
                         .numViews(0L)
                         .repoId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/commits/CommitManifestResponseTest.kt

@@ -17,28 +17,52 @@ internal class CommitManifestResponseTest {
         val commitManifestResponse =
             CommitManifestResponse.builder()
                 .commitHash("commit_hash")
-                .manifest(JsonValue.from(mapOf<String, Any>()))
+                .manifest(
+                    CommitManifestResponse.Manifest.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .addExample(
                     CommitManifestResponse.Example.builder()
                         .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .sessionId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .inputs(JsonValue.from(mapOf<String, Any>()))
-                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                        .inputs(
+                            CommitManifestResponse.Example.Inputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .outputs(
+                            CommitManifestResponse.Example.Outputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .build()
                 )
                 .build()
 
         assertThat(commitManifestResponse.commitHash()).isEqualTo("commit_hash")
-        assertThat(commitManifestResponse._manifest())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(commitManifestResponse.manifest())
+            .isEqualTo(
+                CommitManifestResponse.Manifest.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(commitManifestResponse.examples().getOrNull())
             .containsExactly(
                 CommitManifestResponse.Example.builder()
                     .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .sessionId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .inputs(JsonValue.from(mapOf<String, Any>()))
-                    .outputs(JsonValue.from(mapOf<String, Any>()))
+                    .inputs(
+                        CommitManifestResponse.Example.Inputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
+                    .outputs(
+                        CommitManifestResponse.Example.Outputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .build()
             )
@@ -50,13 +74,25 @@ internal class CommitManifestResponseTest {
         val commitManifestResponse =
             CommitManifestResponse.builder()
                 .commitHash("commit_hash")
-                .manifest(JsonValue.from(mapOf<String, Any>()))
+                .manifest(
+                    CommitManifestResponse.Manifest.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .addExample(
                     CommitManifestResponse.Example.builder()
                         .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .sessionId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .inputs(JsonValue.from(mapOf<String, Any>()))
-                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                        .inputs(
+                            CommitManifestResponse.Example.Inputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .outputs(
+                            CommitManifestResponse.Example.Outputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .build()
                 )

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/commits/CommitUpdateParamsTest.kt

@@ -14,7 +14,11 @@ internal class CommitUpdateParamsTest {
         CommitUpdateParams.builder()
             .owner("owner")
             .repo("repo")
-            .manifest(JsonValue.from(mapOf<String, Any>()))
+            .manifest(
+                CommitUpdateParams.Manifest.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
             .addExampleRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
             .parentCommit("parent_commit")
             .skipWebhooks(true)
@@ -27,7 +31,11 @@ internal class CommitUpdateParamsTest {
             CommitUpdateParams.builder()
                 .owner("owner")
                 .repo("repo")
-                .manifest(JsonValue.from(mapOf<String, Any>()))
+                .manifest(
+                    CommitUpdateParams.Manifest.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .build()
 
         assertThat(params._pathParam(0)).isEqualTo("owner")
@@ -42,7 +50,11 @@ internal class CommitUpdateParamsTest {
             CommitUpdateParams.builder()
                 .owner("owner")
                 .repo("repo")
-                .manifest(JsonValue.from(mapOf<String, Any>()))
+                .manifest(
+                    CommitUpdateParams.Manifest.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .addExampleRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .parentCommit("parent_commit")
                 .skipWebhooks(true)
@@ -50,7 +62,12 @@ internal class CommitUpdateParamsTest {
 
         val body = params._body()
 
-        assertThat(body._manifest()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(body.manifest())
+            .isEqualTo(
+                CommitUpdateParams.Manifest.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(body.exampleRunIds().getOrNull())
             .containsExactly("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(body.parentCommit()).contains("parent_commit")
@@ -63,11 +80,20 @@ internal class CommitUpdateParamsTest {
             CommitUpdateParams.builder()
                 .owner("owner")
                 .repo("repo")
-                .manifest(JsonValue.from(mapOf<String, Any>()))
+                .manifest(
+                    CommitUpdateParams.Manifest.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .build()
 
         val body = params._body()
 
-        assertThat(body._manifest()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(body.manifest())
+            .isEqualTo(
+                CommitUpdateParams.Manifest.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
     }
 }

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/commits/CommitUpdateResponseTest.kt

@@ -21,7 +21,11 @@ internal class CommitUpdateResponseTest {
                         .commitHash("commit_hash")
                         .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .addExampleRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .manifest(JsonValue.from(mapOf<String, Any>()))
+                        .manifest(
+                            CommitWithLookups.Manifest.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .numDownloads(0L)
                         .numViews(0L)
                         .repoId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -40,7 +44,11 @@ internal class CommitUpdateResponseTest {
                     .commitHash("commit_hash")
                     .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .addExampleRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .manifest(JsonValue.from(mapOf<String, Any>()))
+                    .manifest(
+                        CommitWithLookups.Manifest.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .numDownloads(0L)
                     .numViews(0L)
                     .repoId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -63,7 +71,11 @@ internal class CommitUpdateResponseTest {
                         .commitHash("commit_hash")
                         .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .addExampleRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .manifest(JsonValue.from(mapOf<String, Any>()))
+                        .manifest(
+                            CommitWithLookups.Manifest.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .numDownloads(0L)
                         .numViews(0L)
                         .repoId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/commits/CommitWithLookupsTest.kt

@@ -19,7 +19,11 @@ internal class CommitWithLookupsTest {
                 .commitHash("commit_hash")
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .addExampleRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .manifest(JsonValue.from(mapOf<String, Any>()))
+                .manifest(
+                    CommitWithLookups.Manifest.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .numDownloads(0L)
                 .numViews(0L)
                 .repoId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -35,7 +39,12 @@ internal class CommitWithLookupsTest {
             .isEqualTo(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
         assertThat(commitWithLookups.exampleRunIds())
             .containsExactly("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-        assertThat(commitWithLookups._manifest()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(commitWithLookups.manifest())
+            .isEqualTo(
+                CommitWithLookups.Manifest.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(commitWithLookups.numDownloads()).isEqualTo(0L)
         assertThat(commitWithLookups.numViews()).isEqualTo(0L)
         assertThat(commitWithLookups.repoId()).isEqualTo("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -55,7 +64,11 @@ internal class CommitWithLookupsTest {
                 .commitHash("commit_hash")
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .addExampleRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .manifest(JsonValue.from(mapOf<String, Any>()))
+                .manifest(
+                    CommitWithLookups.Manifest.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .numDownloads(0L)
                 .numViews(0L)
                 .repoId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/DatasetCloneResponseTest.kt

@@ -3,6 +3,7 @@
 package com.langchain.smith.models.datasets
 
 import com.fasterxml.jackson.module.kotlin.jacksonTypeRef
+import com.langchain.smith.core.JsonValue
 import com.langchain.smith.core.jsonMapper
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
@@ -11,13 +12,19 @@ internal class DatasetCloneResponseTest {
 
     @Test
     fun create() {
-        val datasetCloneResponse = DatasetCloneResponse.builder().build()
+        val datasetCloneResponse =
+            DatasetCloneResponse.builder()
+                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                .build()
     }
 
     @Test
     fun roundtrip() {
         val jsonMapper = jsonMapper()
-        val datasetCloneResponse = DatasetCloneResponse.builder().build()
+        val datasetCloneResponse =
+            DatasetCloneResponse.builder()
+                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                .build()
 
         val roundtrippedDatasetCloneResponse =
             jsonMapper.readValue(

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/DatasetCreateParamsTest.kt

@@ -19,9 +19,21 @@ internal class DatasetCreateParamsTest {
             .dataType(DataType.KV)
             .description("description")
             .externallyManaged(true)
-            .extra(JsonValue.from(mapOf<String, Any>()))
-            .inputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
-            .outputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
+            .extra(
+                DatasetCreateParams.Extra.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+            .inputsSchemaDefinition(
+                DatasetCreateParams.InputsSchemaDefinition.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+            .outputsSchemaDefinition(
+                DatasetCreateParams.OutputsSchemaDefinition.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
             .addTransformation(
                 DatasetTransformation.builder()
                     .addPath("string")
@@ -43,9 +55,21 @@ internal class DatasetCreateParamsTest {
                 .dataType(DataType.KV)
                 .description("description")
                 .externallyManaged(true)
-                .extra(JsonValue.from(mapOf<String, Any>()))
-                .inputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
-                .outputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
+                .extra(
+                    DatasetCreateParams.Extra.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .inputsSchemaDefinition(
+                    DatasetCreateParams.InputsSchemaDefinition.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .outputsSchemaDefinition(
+                    DatasetCreateParams.OutputsSchemaDefinition.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .addTransformation(
                     DatasetTransformation.builder()
                         .addPath("string")
@@ -64,9 +88,24 @@ internal class DatasetCreateParamsTest {
         assertThat(body.dataType()).contains(DataType.KV)
         assertThat(body.description()).contains("description")
         assertThat(body.externallyManaged()).contains(true)
-        assertThat(body._extra()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
-        assertThat(body._inputsSchemaDefinition()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
-        assertThat(body._outputsSchemaDefinition()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(body.extra())
+            .contains(
+                DatasetCreateParams.Extra.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+        assertThat(body.inputsSchemaDefinition())
+            .contains(
+                DatasetCreateParams.InputsSchemaDefinition.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+        assertThat(body.outputsSchemaDefinition())
+            .contains(
+                DatasetCreateParams.OutputsSchemaDefinition.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(body.transformations().getOrNull())
             .containsExactly(
                 DatasetTransformation.builder()

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/DatasetTest.kt

@@ -26,10 +26,22 @@ internal class DatasetTest {
                 .dataType(DataType.KV)
                 .description("description")
                 .externallyManaged(true)
-                .inputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
+                .inputsSchemaDefinition(
+                    Dataset.InputsSchemaDefinition.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .lastSessionStartTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .metadata(JsonValue.from(mapOf<String, Any>()))
-                .outputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    Dataset.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .outputsSchemaDefinition(
+                    Dataset.OutputsSchemaDefinition.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .addTransformation(
                     DatasetTransformation.builder()
                         .addPath("string")
@@ -50,13 +62,26 @@ internal class DatasetTest {
         assertThat(dataset.dataType()).contains(DataType.KV)
         assertThat(dataset.description()).contains("description")
         assertThat(dataset.externallyManaged()).contains(true)
-        assertThat(dataset._inputsSchemaDefinition())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(dataset.inputsSchemaDefinition())
+            .contains(
+                Dataset.InputsSchemaDefinition.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(dataset.lastSessionStartTime())
             .contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-        assertThat(dataset._metadata()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
-        assertThat(dataset._outputsSchemaDefinition())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(dataset.metadata())
+            .contains(
+                Dataset.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+        assertThat(dataset.outputsSchemaDefinition())
+            .contains(
+                Dataset.OutputsSchemaDefinition.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(dataset.transformations().getOrNull())
             .containsExactly(
                 DatasetTransformation.builder()
@@ -83,10 +108,22 @@ internal class DatasetTest {
                 .dataType(DataType.KV)
                 .description("description")
                 .externallyManaged(true)
-                .inputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
+                .inputsSchemaDefinition(
+                    Dataset.InputsSchemaDefinition.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .lastSessionStartTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .metadata(JsonValue.from(mapOf<String, Any>()))
-                .outputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    Dataset.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .outputsSchemaDefinition(
+                    Dataset.OutputsSchemaDefinition.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .addTransformation(
                     DatasetTransformation.builder()
                         .addPath("string")

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/DatasetUpdateParamsTest.kt

@@ -13,10 +13,22 @@ internal class DatasetUpdateParamsTest {
         DatasetUpdateParams.builder()
             .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
             .description("string")
-            .inputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
-            .metadata(JsonValue.from(mapOf<String, Any>()))
+            .inputsSchemaDefinition(
+                DatasetUpdateParams.InputsSchemaDefinition.UnionMember0.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+            .metadata(
+                DatasetUpdateParams.Metadata.UnionMember0.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
             .name("string")
-            .outputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
+            .outputsSchemaDefinition(
+                DatasetUpdateParams.OutputsSchemaDefinition.UnionMember0.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
             .patchExamples(
                 DatasetUpdateParams.PatchExamples.builder()
                     .putAdditionalProperty(
@@ -29,9 +41,9 @@ internal class DatasetUpdateParamsTest {
                                         "retain" to listOf("string"),
                                     ),
                                 "dataset_id" to "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
-                                "inputs" to mapOf<String, Any>(),
-                                "metadata" to mapOf<String, Any>(),
-                                "outputs" to mapOf<String, Any>(),
+                                "inputs" to mapOf("foo" to "bar"),
+                                "metadata" to mapOf("foo" to "bar"),
+                                "outputs" to mapOf("foo" to "bar"),
                                 "overwrite" to true,
                                 "split" to listOf("string"),
                             )
@@ -68,10 +80,22 @@ internal class DatasetUpdateParamsTest {
             DatasetUpdateParams.builder()
                 .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .description("string")
-                .inputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .inputsSchemaDefinition(
+                    DatasetUpdateParams.InputsSchemaDefinition.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .metadata(
+                    DatasetUpdateParams.Metadata.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .name("string")
-                .outputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
+                .outputsSchemaDefinition(
+                    DatasetUpdateParams.OutputsSchemaDefinition.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .patchExamples(
                     DatasetUpdateParams.PatchExamples.builder()
                         .putAdditionalProperty(
@@ -84,9 +108,9 @@ internal class DatasetUpdateParamsTest {
                                             "retain" to listOf("string"),
                                         ),
                                     "dataset_id" to "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
-                                    "inputs" to mapOf<String, Any>(),
-                                    "metadata" to mapOf<String, Any>(),
-                                    "outputs" to mapOf<String, Any>(),
+                                    "inputs" to mapOf("foo" to "bar"),
+                                    "metadata" to mapOf("foo" to "bar"),
+                                    "outputs" to mapOf("foo" to "bar"),
                                     "overwrite" to true,
                                     "split" to listOf("string"),
                                 )
@@ -111,19 +135,27 @@ internal class DatasetUpdateParamsTest {
         assertThat(body.description()).contains(DatasetUpdateParams.Description.ofString("string"))
         assertThat(body.inputsSchemaDefinition())
             .contains(
-                DatasetUpdateParams.InputsSchemaDefinition.ofJsonValue(
-                    JsonValue.from(mapOf<String, Any>())
+                DatasetUpdateParams.InputsSchemaDefinition.ofUnionMember0(
+                    DatasetUpdateParams.InputsSchemaDefinition.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
                 )
             )
         assertThat(body.metadata())
             .contains(
-                DatasetUpdateParams.Metadata.ofJsonValue(JsonValue.from(mapOf<String, Any>()))
+                DatasetUpdateParams.Metadata.ofUnionMember0(
+                    DatasetUpdateParams.Metadata.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
             )
         assertThat(body.name()).contains(DatasetUpdateParams.Name.ofString("string"))
         assertThat(body.outputsSchemaDefinition())
             .contains(
-                DatasetUpdateParams.OutputsSchemaDefinition.ofJsonValue(
-                    JsonValue.from(mapOf<String, Any>())
+                DatasetUpdateParams.OutputsSchemaDefinition.ofUnionMember0(
+                    DatasetUpdateParams.OutputsSchemaDefinition.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
                 )
             )
         assertThat(body.patchExamples())
@@ -139,9 +171,9 @@ internal class DatasetUpdateParamsTest {
                                         "retain" to listOf("string"),
                                     ),
                                 "dataset_id" to "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
-                                "inputs" to mapOf<String, Any>(),
-                                "metadata" to mapOf<String, Any>(),
-                                "outputs" to mapOf<String, Any>(),
+                                "inputs" to mapOf("foo" to "bar"),
+                                "metadata" to mapOf("foo" to "bar"),
+                                "outputs" to mapOf("foo" to "bar"),
                                 "overwrite" to true,
                                 "split" to listOf("string"),
                             )

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/DatasetUpdateResponseTest.kt

@@ -23,8 +23,16 @@ internal class DatasetUpdateResponseTest {
                 .dataType(DataType.KV)
                 .description("description")
                 .externallyManaged(true)
-                .inputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
-                .outputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
+                .inputsSchemaDefinition(
+                    DatasetUpdateResponse.InputsSchemaDefinition.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .outputsSchemaDefinition(
+                    DatasetUpdateResponse.OutputsSchemaDefinition.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .addTransformation(
                     DatasetTransformation.builder()
                         .addPath("string")
@@ -44,10 +52,18 @@ internal class DatasetUpdateResponseTest {
         assertThat(datasetUpdateResponse.dataType()).contains(DataType.KV)
         assertThat(datasetUpdateResponse.description()).contains("description")
         assertThat(datasetUpdateResponse.externallyManaged()).contains(true)
-        assertThat(datasetUpdateResponse._inputsSchemaDefinition())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
-        assertThat(datasetUpdateResponse._outputsSchemaDefinition())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(datasetUpdateResponse.inputsSchemaDefinition())
+            .contains(
+                DatasetUpdateResponse.InputsSchemaDefinition.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+        assertThat(datasetUpdateResponse.outputsSchemaDefinition())
+            .contains(
+                DatasetUpdateResponse.OutputsSchemaDefinition.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(datasetUpdateResponse.transformations().getOrNull())
             .containsExactly(
                 DatasetTransformation.builder()
@@ -71,8 +87,16 @@ internal class DatasetUpdateResponseTest {
                 .dataType(DataType.KV)
                 .description("description")
                 .externallyManaged(true)
-                .inputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
-                .outputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
+                .inputsSchemaDefinition(
+                    DatasetUpdateResponse.InputsSchemaDefinition.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .outputsSchemaDefinition(
+                    DatasetUpdateResponse.OutputsSchemaDefinition.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .addTransformation(
                     DatasetTransformation.builder()
                         .addPath("string")

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/FeedbackCreateCoreSchemaTest.kt

@@ -20,9 +20,17 @@ internal class FeedbackCreateCoreSchemaTest {
                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .comment("comment")
                 .comparativeExperimentId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .correction(JsonValue.from(mapOf<String, Any>()))
+                .correction(
+                    FeedbackCreateCoreSchema.Correction.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .extra(JsonValue.from(mapOf<String, Any>()))
+                .extra(
+                    FeedbackCreateCoreSchema.Extra.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .feedbackConfig(
                     FeedbackCreateCoreSchema.FeedbackConfig.builder()
                         .type(FeedbackCreateCoreSchema.FeedbackConfig.Type.CONTINUOUS)
@@ -39,7 +47,11 @@ internal class FeedbackCreateCoreSchemaTest {
                 .feedbackGroupId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .feedbackSource(
                     AppFeedbackSource.builder()
-                        .metadata(JsonValue.from(mapOf<String, Any>()))
+                        .metadata(
+                            AppFeedbackSource.Metadata.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .type(AppFeedbackSource.Type.APP)
                         .build()
                 )
@@ -55,14 +67,20 @@ internal class FeedbackCreateCoreSchemaTest {
             .contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(feedbackCreateCoreSchema.correction())
             .contains(
-                FeedbackCreateCoreSchema.Correction.ofJsonValue(
-                    JsonValue.from(mapOf<String, Any>())
+                FeedbackCreateCoreSchema.Correction.ofUnionMember0(
+                    FeedbackCreateCoreSchema.Correction.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
                 )
             )
         assertThat(feedbackCreateCoreSchema.createdAt())
             .contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-        assertThat(feedbackCreateCoreSchema._extra())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(feedbackCreateCoreSchema.extra())
+            .contains(
+                FeedbackCreateCoreSchema.Extra.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(feedbackCreateCoreSchema.feedbackConfig())
             .contains(
                 FeedbackCreateCoreSchema.FeedbackConfig.builder()
@@ -83,7 +101,11 @@ internal class FeedbackCreateCoreSchemaTest {
             .contains(
                 FeedbackCreateCoreSchema.FeedbackSource.ofApp(
                     AppFeedbackSource.builder()
-                        .metadata(JsonValue.from(mapOf<String, Any>()))
+                        .metadata(
+                            AppFeedbackSource.Metadata.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .type(AppFeedbackSource.Type.APP)
                         .build()
                 )
@@ -105,9 +127,17 @@ internal class FeedbackCreateCoreSchemaTest {
                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .comment("comment")
                 .comparativeExperimentId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .correction(JsonValue.from(mapOf<String, Any>()))
+                .correction(
+                    FeedbackCreateCoreSchema.Correction.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .extra(JsonValue.from(mapOf<String, Any>()))
+                .extra(
+                    FeedbackCreateCoreSchema.Extra.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .feedbackConfig(
                     FeedbackCreateCoreSchema.FeedbackConfig.builder()
                         .type(FeedbackCreateCoreSchema.FeedbackConfig.Type.CONTINUOUS)
@@ -124,7 +154,11 @@ internal class FeedbackCreateCoreSchemaTest {
                 .feedbackGroupId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .feedbackSource(
                     AppFeedbackSource.builder()
-                        .metadata(JsonValue.from(mapOf<String, Any>()))
+                        .metadata(
+                            AppFeedbackSource.Metadata.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .type(AppFeedbackSource.Type.APP)
                         .build()
                 )

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/comparative/ComparativeCreateParamsTest.kt

@@ -16,7 +16,11 @@ internal class ComparativeCreateParamsTest {
             .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
             .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
             .description("description")
-            .extra(JsonValue.from(mapOf<String, Any>()))
+            .extra(
+                ComparativeCreateParams.Extra.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
             .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
             .name("name")
             .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -31,7 +35,11 @@ internal class ComparativeCreateParamsTest {
                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .description("description")
-                .extra(JsonValue.from(mapOf<String, Any>()))
+                .extra(
+                    ComparativeCreateParams.Extra.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .name("name")
                 .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -43,7 +51,12 @@ internal class ComparativeCreateParamsTest {
         assertThat(body.id()).contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(body.createdAt()).contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
         assertThat(body.description()).contains("description")
-        assertThat(body._extra()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(body.extra())
+            .contains(
+                ComparativeCreateParams.Extra.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(body.modifiedAt()).contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
         assertThat(body.name()).contains("name")
         assertThat(body.referenceDatasetId()).contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/comparative/ComparativeCreateResponseTest.kt

@@ -21,7 +21,11 @@ internal class ComparativeCreateResponseTest {
                 .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .tenantId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .description("description")
-                .extra(JsonValue.from(mapOf<String, Any>()))
+                .extra(
+                    ComparativeCreateResponse.Extra.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .name("name")
                 .build()
 
@@ -35,8 +39,12 @@ internal class ComparativeCreateResponseTest {
         assertThat(comparativeCreateResponse.tenantId())
             .isEqualTo("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(comparativeCreateResponse.description()).contains("description")
-        assertThat(comparativeCreateResponse._extra())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(comparativeCreateResponse.extra())
+            .contains(
+                ComparativeCreateResponse.Extra.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(comparativeCreateResponse.name()).contains("name")
     }
 
@@ -51,7 +59,11 @@ internal class ComparativeCreateResponseTest {
                 .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .tenantId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .description("description")
-                .extra(JsonValue.from(mapOf<String, Any>()))
+                .extra(
+                    ComparativeCreateResponse.Extra.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .name("name")
                 .build()
 

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/comparative/ComparativeListResponseTest.kt

@@ -27,8 +27,16 @@ internal class ComparativeListResponseTest {
                 .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .tenantId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .description("description")
-                .extra(JsonValue.from(mapOf<String, Any>()))
-                .feedbackStats(JsonValue.from(mapOf<String, Any>()))
+                .extra(
+                    ComparativeListResponse.Extra.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .feedbackStats(
+                    ComparativeListResponse.FeedbackStats.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .name("name")
                 .build()
 
@@ -49,9 +57,18 @@ internal class ComparativeListResponseTest {
         assertThat(comparativeListResponse.tenantId())
             .isEqualTo("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(comparativeListResponse.description()).contains("description")
-        assertThat(comparativeListResponse._extra()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
-        assertThat(comparativeListResponse._feedbackStats())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(comparativeListResponse.extra())
+            .contains(
+                ComparativeListResponse.Extra.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+        assertThat(comparativeListResponse.feedbackStats())
+            .contains(
+                ComparativeListResponse.FeedbackStats.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(comparativeListResponse.name()).contains("name")
     }
 
@@ -72,8 +89,16 @@ internal class ComparativeListResponseTest {
                 .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .tenantId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .description("description")
-                .extra(JsonValue.from(mapOf<String, Any>()))
-                .feedbackStats(JsonValue.from(mapOf<String, Any>()))
+                .extra(
+                    ComparativeListResponse.Extra.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .feedbackStats(
+                    ComparativeListResponse.FeedbackStats.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .name("name")
                 .build()
 

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/group/GroupRunsResponseTest.kt

@@ -23,7 +23,11 @@ internal class GroupRunsResponseTest {
                             ExampleWithRunsCh.builder()
                                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                .inputs(JsonValue.from(mapOf<String, Any>()))
+                                .inputs(
+                                    ExampleWithRunsCh.Inputs.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .name("name")
                                 .addRun(
                                     ExampleWithRunsCh.Run.builder()
@@ -39,31 +43,63 @@ internal class GroupRunsResponseTest {
                                         .dottedOrder("dotted_order")
                                         .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                         .error("error")
-                                        .addEvent(JsonValue.from(mapOf<String, Any>()))
+                                        .addEvent(
+                                            ExampleWithRunsCh.Run.Event.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .executionOrder(1L)
-                                        .extra(JsonValue.from(mapOf<String, Any>()))
+                                        .extra(
+                                            ExampleWithRunsCh.Run.Extra.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .feedbackStats(
                                             ExampleWithRunsCh.Run.FeedbackStats.builder()
                                                 .putAdditionalProperty(
                                                     "foo",
-                                                    JsonValue.from(mapOf<String, Any>()),
+                                                    JsonValue.from(mapOf("foo" to "bar")),
                                                 )
                                                 .build()
                                         )
-                                        .inputs(JsonValue.from(mapOf<String, Any>()))
+                                        .inputs(
+                                            ExampleWithRunsCh.Run.Inputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .inputsPreview("inputs_preview")
-                                        .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                                        .inputsS3Urls(
+                                            ExampleWithRunsCh.Run.InputsS3Urls.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                         .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                                        .outputs(
+                                            ExampleWithRunsCh.Run.Outputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .outputsPreview("outputs_preview")
-                                        .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                                        .outputsS3Urls(
+                                            ExampleWithRunsCh.Run.OutputsS3Urls.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                         .promptCost("prompt_cost")
                                         .promptTokens(0L)
                                         .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                        .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                                        .serialized(JsonValue.from(mapOf<String, Any>()))
+                                        .s3Urls(
+                                            ExampleWithRunsCh.Run.S3Urls.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
+                                        .serialized(
+                                            ExampleWithRunsCh.Run.Serialized.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                         .addTag("string")
                                         .totalCost("total_cost")
@@ -76,11 +112,23 @@ internal class GroupRunsResponseTest {
                                         )
                                         .build()
                                 )
-                                .attachmentUrls(JsonValue.from(mapOf<String, Any>()))
+                                .attachmentUrls(
+                                    ExampleWithRunsCh.AttachmentUrls.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                                .metadata(JsonValue.from(mapOf<String, Any>()))
+                                .metadata(
+                                    ExampleWithRunsCh.Metadata.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                                .outputs(JsonValue.from(mapOf<String, Any>()))
+                                .outputs(
+                                    ExampleWithRunsCh.Outputs.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .build()
                         )
@@ -98,8 +146,16 @@ internal class GroupRunsResponseTest {
                                 .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                 .errorRate(0.0)
                                 .exampleCount(0L)
-                                .extra(JsonValue.from(mapOf<String, Any>()))
-                                .feedbackStats(JsonValue.from(mapOf<String, Any>()))
+                                .extra(
+                                    GroupRunsResponse.Group.Session.Extra.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
+                                .feedbackStats(
+                                    GroupRunsResponse.Group.Session.FeedbackStats.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .firstTokenP50(0.0)
                                 .firstTokenP99(0.0)
                                 .lastRunStartTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
@@ -115,8 +171,16 @@ internal class GroupRunsResponseTest {
                                 .promptTokens(0L)
                                 .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .runCount(0L)
-                                .addRunFacet(JsonValue.from(mapOf<String, Any>()))
-                                .sessionFeedbackStats(JsonValue.from(mapOf<String, Any>()))
+                                .addRunFacet(
+                                    GroupRunsResponse.Group.Session.RunFacet.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
+                                .sessionFeedbackStats(
+                                    GroupRunsResponse.Group.Session.SessionFeedbackStats.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                 .streamingRate(0.0)
                                 .testRunNumber(0L)
@@ -129,7 +193,11 @@ internal class GroupRunsResponseTest {
                         .completionTokens(0L)
                         .count(0L)
                         .errorRate(0.0)
-                        .feedbackStats(JsonValue.from(mapOf<String, Any>()))
+                        .feedbackStats(
+                            GroupRunsResponse.Group.FeedbackStats.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .latencyP50(0.0)
                         .latencyP99(0.0)
                         .maxStartTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
@@ -150,7 +218,11 @@ internal class GroupRunsResponseTest {
                         ExampleWithRunsCh.builder()
                             .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                             .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                            .inputs(JsonValue.from(mapOf<String, Any>()))
+                            .inputs(
+                                ExampleWithRunsCh.Inputs.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .name("name")
                             .addRun(
                                 ExampleWithRunsCh.Run.builder()
@@ -166,31 +238,63 @@ internal class GroupRunsResponseTest {
                                     .dottedOrder("dotted_order")
                                     .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                     .error("error")
-                                    .addEvent(JsonValue.from(mapOf<String, Any>()))
+                                    .addEvent(
+                                        ExampleWithRunsCh.Run.Event.builder()
+                                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                            .build()
+                                    )
                                     .executionOrder(1L)
-                                    .extra(JsonValue.from(mapOf<String, Any>()))
+                                    .extra(
+                                        ExampleWithRunsCh.Run.Extra.builder()
+                                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                            .build()
+                                    )
                                     .feedbackStats(
                                         ExampleWithRunsCh.Run.FeedbackStats.builder()
                                             .putAdditionalProperty(
                                                 "foo",
-                                                JsonValue.from(mapOf<String, Any>()),
+                                                JsonValue.from(mapOf("foo" to "bar")),
                                             )
                                             .build()
                                     )
-                                    .inputs(JsonValue.from(mapOf<String, Any>()))
+                                    .inputs(
+                                        ExampleWithRunsCh.Run.Inputs.builder()
+                                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                            .build()
+                                    )
                                     .inputsPreview("inputs_preview")
-                                    .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                                    .inputsS3Urls(
+                                        ExampleWithRunsCh.Run.InputsS3Urls.builder()
+                                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                            .build()
+                                    )
                                     .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                     .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                    .outputs(JsonValue.from(mapOf<String, Any>()))
+                                    .outputs(
+                                        ExampleWithRunsCh.Run.Outputs.builder()
+                                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                            .build()
+                                    )
                                     .outputsPreview("outputs_preview")
-                                    .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                                    .outputsS3Urls(
+                                        ExampleWithRunsCh.Run.OutputsS3Urls.builder()
+                                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                            .build()
+                                    )
                                     .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                     .promptCost("prompt_cost")
                                     .promptTokens(0L)
                                     .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                    .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                                    .serialized(JsonValue.from(mapOf<String, Any>()))
+                                    .s3Urls(
+                                        ExampleWithRunsCh.Run.S3Urls.builder()
+                                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                            .build()
+                                    )
+                                    .serialized(
+                                        ExampleWithRunsCh.Run.Serialized.builder()
+                                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                            .build()
+                                    )
                                     .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                     .addTag("string")
                                     .totalCost("total_cost")
@@ -203,11 +307,23 @@ internal class GroupRunsResponseTest {
                                     )
                                     .build()
                             )
-                            .attachmentUrls(JsonValue.from(mapOf<String, Any>()))
+                            .attachmentUrls(
+                                ExampleWithRunsCh.AttachmentUrls.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                            .metadata(JsonValue.from(mapOf<String, Any>()))
+                            .metadata(
+                                ExampleWithRunsCh.Metadata.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                            .outputs(JsonValue.from(mapOf<String, Any>()))
+                            .outputs(
+                                ExampleWithRunsCh.Outputs.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                             .build()
                     )
@@ -225,8 +341,16 @@ internal class GroupRunsResponseTest {
                             .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                             .errorRate(0.0)
                             .exampleCount(0L)
-                            .extra(JsonValue.from(mapOf<String, Any>()))
-                            .feedbackStats(JsonValue.from(mapOf<String, Any>()))
+                            .extra(
+                                GroupRunsResponse.Group.Session.Extra.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
+                            .feedbackStats(
+                                GroupRunsResponse.Group.Session.FeedbackStats.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .firstTokenP50(0.0)
                             .firstTokenP99(0.0)
                             .lastRunStartTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
@@ -240,8 +364,16 @@ internal class GroupRunsResponseTest {
                             .promptTokens(0L)
                             .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                             .runCount(0L)
-                            .addRunFacet(JsonValue.from(mapOf<String, Any>()))
-                            .sessionFeedbackStats(JsonValue.from(mapOf<String, Any>()))
+                            .addRunFacet(
+                                GroupRunsResponse.Group.Session.RunFacet.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
+                            .sessionFeedbackStats(
+                                GroupRunsResponse.Group.Session.SessionFeedbackStats.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                             .streamingRate(0.0)
                             .testRunNumber(0L)
@@ -254,7 +386,11 @@ internal class GroupRunsResponseTest {
                     .completionTokens(0L)
                     .count(0L)
                     .errorRate(0.0)
-                    .feedbackStats(JsonValue.from(mapOf<String, Any>()))
+                    .feedbackStats(
+                        GroupRunsResponse.Group.FeedbackStats.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .latencyP50(0.0)
                     .latencyP99(0.0)
                     .maxStartTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
@@ -279,7 +415,11 @@ internal class GroupRunsResponseTest {
                             ExampleWithRunsCh.builder()
                                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                .inputs(JsonValue.from(mapOf<String, Any>()))
+                                .inputs(
+                                    ExampleWithRunsCh.Inputs.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .name("name")
                                 .addRun(
                                     ExampleWithRunsCh.Run.builder()
@@ -295,31 +435,63 @@ internal class GroupRunsResponseTest {
                                         .dottedOrder("dotted_order")
                                         .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                         .error("error")
-                                        .addEvent(JsonValue.from(mapOf<String, Any>()))
+                                        .addEvent(
+                                            ExampleWithRunsCh.Run.Event.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .executionOrder(1L)
-                                        .extra(JsonValue.from(mapOf<String, Any>()))
+                                        .extra(
+                                            ExampleWithRunsCh.Run.Extra.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .feedbackStats(
                                             ExampleWithRunsCh.Run.FeedbackStats.builder()
                                                 .putAdditionalProperty(
                                                     "foo",
-                                                    JsonValue.from(mapOf<String, Any>()),
+                                                    JsonValue.from(mapOf("foo" to "bar")),
                                                 )
                                                 .build()
                                         )
-                                        .inputs(JsonValue.from(mapOf<String, Any>()))
+                                        .inputs(
+                                            ExampleWithRunsCh.Run.Inputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .inputsPreview("inputs_preview")
-                                        .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                                        .inputsS3Urls(
+                                            ExampleWithRunsCh.Run.InputsS3Urls.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                         .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                                        .outputs(
+                                            ExampleWithRunsCh.Run.Outputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .outputsPreview("outputs_preview")
-                                        .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                                        .outputsS3Urls(
+                                            ExampleWithRunsCh.Run.OutputsS3Urls.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                         .promptCost("prompt_cost")
                                         .promptTokens(0L)
                                         .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                        .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                                        .serialized(JsonValue.from(mapOf<String, Any>()))
+                                        .s3Urls(
+                                            ExampleWithRunsCh.Run.S3Urls.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
+                                        .serialized(
+                                            ExampleWithRunsCh.Run.Serialized.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                         .addTag("string")
                                         .totalCost("total_cost")
@@ -332,11 +504,23 @@ internal class GroupRunsResponseTest {
                                         )
                                         .build()
                                 )
-                                .attachmentUrls(JsonValue.from(mapOf<String, Any>()))
+                                .attachmentUrls(
+                                    ExampleWithRunsCh.AttachmentUrls.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                                .metadata(JsonValue.from(mapOf<String, Any>()))
+                                .metadata(
+                                    ExampleWithRunsCh.Metadata.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                                .outputs(JsonValue.from(mapOf<String, Any>()))
+                                .outputs(
+                                    ExampleWithRunsCh.Outputs.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .build()
                         )
@@ -354,8 +538,16 @@ internal class GroupRunsResponseTest {
                                 .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                 .errorRate(0.0)
                                 .exampleCount(0L)
-                                .extra(JsonValue.from(mapOf<String, Any>()))
-                                .feedbackStats(JsonValue.from(mapOf<String, Any>()))
+                                .extra(
+                                    GroupRunsResponse.Group.Session.Extra.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
+                                .feedbackStats(
+                                    GroupRunsResponse.Group.Session.FeedbackStats.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .firstTokenP50(0.0)
                                 .firstTokenP99(0.0)
                                 .lastRunStartTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
@@ -371,8 +563,16 @@ internal class GroupRunsResponseTest {
                                 .promptTokens(0L)
                                 .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .runCount(0L)
-                                .addRunFacet(JsonValue.from(mapOf<String, Any>()))
-                                .sessionFeedbackStats(JsonValue.from(mapOf<String, Any>()))
+                                .addRunFacet(
+                                    GroupRunsResponse.Group.Session.RunFacet.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
+                                .sessionFeedbackStats(
+                                    GroupRunsResponse.Group.Session.SessionFeedbackStats.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                 .streamingRate(0.0)
                                 .testRunNumber(0L)
@@ -385,7 +585,11 @@ internal class GroupRunsResponseTest {
                         .completionTokens(0L)
                         .count(0L)
                         .errorRate(0.0)
-                        .feedbackStats(JsonValue.from(mapOf<String, Any>()))
+                        .feedbackStats(
+                            GroupRunsResponse.Group.FeedbackStats.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .latencyP50(0.0)
                         .latencyP99(0.0)
                         .maxStartTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/playgroundexperiment/PlaygroundExperimentBatchParamsTest.kt

@@ -17,9 +17,17 @@ internal class PlaygroundExperimentBatchParamsTest {
             .options(
                 RunnableConfig.builder()
                     .callbacksOfJsonValues(listOf(JsonValue.from(mapOf<String, Any>())))
-                    .configurable(JsonValue.from(mapOf<String, Any>()))
+                    .configurable(
+                        RunnableConfig.Configurable.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .maxConcurrency(0L)
-                    .metadata(JsonValue.from(mapOf<String, Any>()))
+                    .metadata(
+                        RunnableConfig.Metadata.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .recursionLimit(0L)
                     .runId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .runName("run_name")
@@ -36,7 +44,11 @@ internal class PlaygroundExperimentBatchParamsTest {
             .commit("commit")
             .addDatasetSplit("string")
             .addEvaluatorRule("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-            .metadata(JsonValue.from(mapOf<String, Any>()))
+            .metadata(
+                PlaygroundExperimentBatchParams.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
             .owner("owner")
             .parallelToolCalls(true)
             .repetitions(1L)
@@ -60,9 +72,17 @@ internal class PlaygroundExperimentBatchParamsTest {
                 .options(
                     RunnableConfig.builder()
                         .callbacksOfJsonValues(listOf(JsonValue.from(mapOf<String, Any>())))
-                        .configurable(JsonValue.from(mapOf<String, Any>()))
+                        .configurable(
+                            RunnableConfig.Configurable.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .maxConcurrency(0L)
-                        .metadata(JsonValue.from(mapOf<String, Any>()))
+                        .metadata(
+                            RunnableConfig.Metadata.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .recursionLimit(0L)
                         .runId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .runName("run_name")
@@ -79,7 +99,11 @@ internal class PlaygroundExperimentBatchParamsTest {
                 .commit("commit")
                 .addDatasetSplit("string")
                 .addEvaluatorRule("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    PlaygroundExperimentBatchParams.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .owner("owner")
                 .parallelToolCalls(true)
                 .repetitions(1L)
@@ -101,9 +125,17 @@ internal class PlaygroundExperimentBatchParamsTest {
             .isEqualTo(
                 RunnableConfig.builder()
                     .callbacksOfJsonValues(listOf(JsonValue.from(mapOf<String, Any>())))
-                    .configurable(JsonValue.from(mapOf<String, Any>()))
+                    .configurable(
+                        RunnableConfig.Configurable.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .maxConcurrency(0L)
-                    .metadata(JsonValue.from(mapOf<String, Any>()))
+                    .metadata(
+                        RunnableConfig.Metadata.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .recursionLimit(0L)
                     .runId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .runName("run_name")
@@ -122,7 +154,12 @@ internal class PlaygroundExperimentBatchParamsTest {
         assertThat(body.datasetSplits().getOrNull()).containsExactly("string")
         assertThat(body.evaluatorRules().getOrNull())
             .containsExactly("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-        assertThat(body._metadata()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(body.metadata())
+            .contains(
+                PlaygroundExperimentBatchParams.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(body.owner()).contains("owner")
         assertThat(body.parallelToolCalls()).contains(true)
         assertThat(body.repetitions()).contains(1L)

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/playgroundexperiment/PlaygroundExperimentStreamParamsTest.kt

@@ -17,9 +17,17 @@ internal class PlaygroundExperimentStreamParamsTest {
             .options(
                 RunnableConfig.builder()
                     .callbacksOfJsonValues(listOf(JsonValue.from(mapOf<String, Any>())))
-                    .configurable(JsonValue.from(mapOf<String, Any>()))
+                    .configurable(
+                        RunnableConfig.Configurable.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .maxConcurrency(0L)
-                    .metadata(JsonValue.from(mapOf<String, Any>()))
+                    .metadata(
+                        RunnableConfig.Metadata.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .recursionLimit(0L)
                     .runId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .runName("run_name")
@@ -35,7 +43,11 @@ internal class PlaygroundExperimentStreamParamsTest {
             .commit("commit")
             .addDatasetSplit("string")
             .addEvaluatorRule("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-            .metadata(JsonValue.from(mapOf<String, Any>()))
+            .metadata(
+                PlaygroundExperimentStreamParams.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
             .owner("owner")
             .parallelToolCalls(true)
             .repetitions(1L)
@@ -59,9 +71,17 @@ internal class PlaygroundExperimentStreamParamsTest {
                 .options(
                     RunnableConfig.builder()
                         .callbacksOfJsonValues(listOf(JsonValue.from(mapOf<String, Any>())))
-                        .configurable(JsonValue.from(mapOf<String, Any>()))
+                        .configurable(
+                            RunnableConfig.Configurable.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .maxConcurrency(0L)
-                        .metadata(JsonValue.from(mapOf<String, Any>()))
+                        .metadata(
+                            RunnableConfig.Metadata.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .recursionLimit(0L)
                         .runId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .runName("run_name")
@@ -77,7 +97,11 @@ internal class PlaygroundExperimentStreamParamsTest {
                 .commit("commit")
                 .addDatasetSplit("string")
                 .addEvaluatorRule("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    PlaygroundExperimentStreamParams.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .owner("owner")
                 .parallelToolCalls(true)
                 .repetitions(1L)
@@ -99,9 +123,17 @@ internal class PlaygroundExperimentStreamParamsTest {
             .isEqualTo(
                 RunnableConfig.builder()
                     .callbacksOfJsonValues(listOf(JsonValue.from(mapOf<String, Any>())))
-                    .configurable(JsonValue.from(mapOf<String, Any>()))
+                    .configurable(
+                        RunnableConfig.Configurable.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .maxConcurrency(0L)
-                    .metadata(JsonValue.from(mapOf<String, Any>()))
+                    .metadata(
+                        RunnableConfig.Metadata.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .recursionLimit(0L)
                     .runId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .runName("run_name")
@@ -119,7 +151,12 @@ internal class PlaygroundExperimentStreamParamsTest {
         assertThat(body.datasetSplits().getOrNull()).containsExactly("string")
         assertThat(body.evaluatorRules().getOrNull())
             .containsExactly("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-        assertThat(body._metadata()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(body.metadata())
+            .contains(
+                PlaygroundExperimentStreamParams.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(body.owner()).contains("owner")
         assertThat(body.parallelToolCalls()).contains(true)
         assertThat(body.repetitions()).contains(1L)

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/playgroundexperiment/RunnableConfigTest.kt

@@ -16,9 +16,17 @@ internal class RunnableConfigTest {
         val runnableConfig =
             RunnableConfig.builder()
                 .callbacksOfJsonValues(listOf(JsonValue.from(mapOf<String, Any>())))
-                .configurable(JsonValue.from(mapOf<String, Any>()))
+                .configurable(
+                    RunnableConfig.Configurable.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .maxConcurrency(0L)
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    RunnableConfig.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .recursionLimit(0L)
                 .runId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .runName("run_name")
@@ -29,9 +37,19 @@ internal class RunnableConfigTest {
             .contains(
                 RunnableConfig.Callbacks.ofJsonValues(listOf(JsonValue.from(mapOf<String, Any>())))
             )
-        assertThat(runnableConfig._configurable()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(runnableConfig.configurable())
+            .contains(
+                RunnableConfig.Configurable.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(runnableConfig.maxConcurrency()).contains(0L)
-        assertThat(runnableConfig._metadata()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(runnableConfig.metadata())
+            .contains(
+                RunnableConfig.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(runnableConfig.recursionLimit()).contains(0L)
         assertThat(runnableConfig.runId()).contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(runnableConfig.runName()).contains("run_name")
@@ -44,9 +62,17 @@ internal class RunnableConfigTest {
         val runnableConfig =
             RunnableConfig.builder()
                 .callbacksOfJsonValues(listOf(JsonValue.from(mapOf<String, Any>())))
-                .configurable(JsonValue.from(mapOf<String, Any>()))
+                .configurable(
+                    RunnableConfig.Configurable.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .maxConcurrency(0L)
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    RunnableConfig.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .recursionLimit(0L)
                 .runId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .runName("run_name")

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/runs/ExampleWithRunsChTest.kt

@@ -17,7 +17,11 @@ internal class ExampleWithRunsChTest {
             ExampleWithRunsCh.builder()
                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .inputs(JsonValue.from(mapOf<String, Any>()))
+                .inputs(
+                    ExampleWithRunsCh.Inputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .name("name")
                 .addRun(
                     ExampleWithRunsCh.Run.builder()
@@ -33,28 +37,60 @@ internal class ExampleWithRunsChTest {
                         .dottedOrder("dotted_order")
                         .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .error("error")
-                        .addEvent(JsonValue.from(mapOf<String, Any>()))
-                        .executionOrder(1L)
-                        .extra(JsonValue.from(mapOf<String, Any>()))
-                        .feedbackStats(
-                            ExampleWithRunsCh.Run.FeedbackStats.builder()
-                                .putAdditionalProperty("foo", JsonValue.from(mapOf<String, Any>()))
+                        .addEvent(
+                            ExampleWithRunsCh.Run.Event.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .executionOrder(1L)
+                        .extra(
+                            ExampleWithRunsCh.Run.Extra.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .feedbackStats(
+                            ExampleWithRunsCh.Run.FeedbackStats.builder()
+                                .putAdditionalProperty("foo", JsonValue.from(mapOf("foo" to "bar")))
+                                .build()
+                        )
+                        .inputs(
+                            ExampleWithRunsCh.Run.Inputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
                                 .build()
                         )
-                        .inputs(JsonValue.from(mapOf<String, Any>()))
                         .inputsPreview("inputs_preview")
-                        .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                        .inputsS3Urls(
+                            ExampleWithRunsCh.Run.InputsS3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                        .outputs(
+                            ExampleWithRunsCh.Run.Outputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .outputsPreview("outputs_preview")
-                        .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                        .outputsS3Urls(
+                            ExampleWithRunsCh.Run.OutputsS3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .promptCost("prompt_cost")
                         .promptTokens(0L)
                         .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                        .serialized(JsonValue.from(mapOf<String, Any>()))
+                        .s3Urls(
+                            ExampleWithRunsCh.Run.S3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .serialized(
+                            ExampleWithRunsCh.Run.Serialized.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .addTag("string")
                         .totalCost("total_cost")
@@ -63,17 +99,34 @@ internal class ExampleWithRunsChTest {
                         .traceMinStartTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .build()
                 )
-                .attachmentUrls(JsonValue.from(mapOf<String, Any>()))
+                .attachmentUrls(
+                    ExampleWithRunsCh.AttachmentUrls.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    ExampleWithRunsCh.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .outputs(JsonValue.from(mapOf<String, Any>()))
+                .outputs(
+                    ExampleWithRunsCh.Outputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .build()
 
         assertThat(exampleWithRunsCh.id()).isEqualTo("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(exampleWithRunsCh.datasetId()).isEqualTo("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-        assertThat(exampleWithRunsCh._inputs()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(exampleWithRunsCh.inputs())
+            .isEqualTo(
+                ExampleWithRunsCh.Inputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(exampleWithRunsCh.name()).isEqualTo("name")
         assertThat(exampleWithRunsCh.runs())
             .containsExactly(
@@ -90,28 +143,60 @@ internal class ExampleWithRunsChTest {
                     .dottedOrder("dotted_order")
                     .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .error("error")
-                    .addEvent(JsonValue.from(mapOf<String, Any>()))
-                    .executionOrder(1L)
-                    .extra(JsonValue.from(mapOf<String, Any>()))
-                    .feedbackStats(
-                        ExampleWithRunsCh.Run.FeedbackStats.builder()
-                            .putAdditionalProperty("foo", JsonValue.from(mapOf<String, Any>()))
+                    .addEvent(
+                        ExampleWithRunsCh.Run.Event.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
+                    .executionOrder(1L)
+                    .extra(
+                        ExampleWithRunsCh.Run.Extra.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
+                    .feedbackStats(
+                        ExampleWithRunsCh.Run.FeedbackStats.builder()
+                            .putAdditionalProperty("foo", JsonValue.from(mapOf("foo" to "bar")))
+                            .build()
+                    )
+                    .inputs(
+                        ExampleWithRunsCh.Run.Inputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
                             .build()
                     )
-                    .inputs(JsonValue.from(mapOf<String, Any>()))
                     .inputsPreview("inputs_preview")
-                    .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                    .inputsS3Urls(
+                        ExampleWithRunsCh.Run.InputsS3Urls.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .outputs(JsonValue.from(mapOf<String, Any>()))
+                    .outputs(
+                        ExampleWithRunsCh.Run.Outputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .outputsPreview("outputs_preview")
-                    .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                    .outputsS3Urls(
+                        ExampleWithRunsCh.Run.OutputsS3Urls.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .promptCost("prompt_cost")
                     .promptTokens(0L)
                     .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                    .serialized(JsonValue.from(mapOf<String, Any>()))
+                    .s3Urls(
+                        ExampleWithRunsCh.Run.S3Urls.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
+                    .serialized(
+                        ExampleWithRunsCh.Run.Serialized.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .addTag("string")
                     .totalCost("total_cost")
@@ -120,14 +205,28 @@ internal class ExampleWithRunsChTest {
                     .traceMinStartTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .build()
             )
-        assertThat(exampleWithRunsCh._attachmentUrls())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(exampleWithRunsCh.attachmentUrls())
+            .contains(
+                ExampleWithRunsCh.AttachmentUrls.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(exampleWithRunsCh.createdAt())
             .contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-        assertThat(exampleWithRunsCh._metadata()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(exampleWithRunsCh.metadata())
+            .contains(
+                ExampleWithRunsCh.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(exampleWithRunsCh.modifiedAt())
             .contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-        assertThat(exampleWithRunsCh._outputs()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(exampleWithRunsCh.outputs())
+            .contains(
+                ExampleWithRunsCh.Outputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(exampleWithRunsCh.sourceRunId()).contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
     }
 
@@ -138,7 +237,11 @@ internal class ExampleWithRunsChTest {
             ExampleWithRunsCh.builder()
                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .inputs(JsonValue.from(mapOf<String, Any>()))
+                .inputs(
+                    ExampleWithRunsCh.Inputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .name("name")
                 .addRun(
                     ExampleWithRunsCh.Run.builder()
@@ -154,28 +257,60 @@ internal class ExampleWithRunsChTest {
                         .dottedOrder("dotted_order")
                         .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .error("error")
-                        .addEvent(JsonValue.from(mapOf<String, Any>()))
-                        .executionOrder(1L)
-                        .extra(JsonValue.from(mapOf<String, Any>()))
-                        .feedbackStats(
-                            ExampleWithRunsCh.Run.FeedbackStats.builder()
-                                .putAdditionalProperty("foo", JsonValue.from(mapOf<String, Any>()))
+                        .addEvent(
+                            ExampleWithRunsCh.Run.Event.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .executionOrder(1L)
+                        .extra(
+                            ExampleWithRunsCh.Run.Extra.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .feedbackStats(
+                            ExampleWithRunsCh.Run.FeedbackStats.builder()
+                                .putAdditionalProperty("foo", JsonValue.from(mapOf("foo" to "bar")))
+                                .build()
+                        )
+                        .inputs(
+                            ExampleWithRunsCh.Run.Inputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
                                 .build()
                         )
-                        .inputs(JsonValue.from(mapOf<String, Any>()))
                         .inputsPreview("inputs_preview")
-                        .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                        .inputsS3Urls(
+                            ExampleWithRunsCh.Run.InputsS3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                        .outputs(
+                            ExampleWithRunsCh.Run.Outputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .outputsPreview("outputs_preview")
-                        .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                        .outputsS3Urls(
+                            ExampleWithRunsCh.Run.OutputsS3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .promptCost("prompt_cost")
                         .promptTokens(0L)
                         .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                        .serialized(JsonValue.from(mapOf<String, Any>()))
+                        .s3Urls(
+                            ExampleWithRunsCh.Run.S3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .serialized(
+                            ExampleWithRunsCh.Run.Serialized.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .addTag("string")
                         .totalCost("total_cost")
@@ -184,11 +319,23 @@ internal class ExampleWithRunsChTest {
                         .traceMinStartTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .build()
                 )
-                .attachmentUrls(JsonValue.from(mapOf<String, Any>()))
+                .attachmentUrls(
+                    ExampleWithRunsCh.AttachmentUrls.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    ExampleWithRunsCh.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .outputs(JsonValue.from(mapOf<String, Any>()))
+                .outputs(
+                    ExampleWithRunsCh.Outputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .build()
 

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/runs/ExampleWithRunsTest.kt

@@ -17,7 +17,11 @@ internal class ExampleWithRunsTest {
             ExampleWithRuns.builder()
                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .inputs(JsonValue.from(mapOf<String, Any>()))
+                .inputs(
+                    ExampleWithRuns.Inputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .name("name")
                 .addRun(
                     ExampleWithRuns.Run.builder()
@@ -45,25 +49,49 @@ internal class ExampleWithRunsTest {
                         .addDirectChildRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .error("error")
-                        .addEvent(JsonValue.from(mapOf<String, Any>()))
+                        .addEvent(
+                            ExampleWithRuns.Run.Event.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .executionOrder(1L)
-                        .extra(JsonValue.from(mapOf<String, Any>()))
+                        .extra(
+                            ExampleWithRuns.Run.Extra.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .feedbackStats(
                             ExampleWithRuns.Run.FeedbackStats.builder()
-                                .putAdditionalProperty("foo", JsonValue.from(mapOf<String, Any>()))
+                                .putAdditionalProperty("foo", JsonValue.from(mapOf("foo" to "bar")))
                                 .build()
                         )
                         .firstTokenTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .inDataset(true)
-                        .inputs(JsonValue.from(mapOf<String, Any>()))
+                        .inputs(
+                            ExampleWithRuns.Run.Inputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .inputsPreview("inputs_preview")
-                        .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                        .inputsS3Urls(
+                            ExampleWithRuns.Run.InputsS3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .lastQueuedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                        .outputs(
+                            ExampleWithRuns.Run.Outputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .outputsPreview("outputs_preview")
-                        .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                        .outputsS3Urls(
+                            ExampleWithRuns.Run.OutputsS3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .addParentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .priceModelId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -81,8 +109,16 @@ internal class ExampleWithRunsTest {
                         .promptTokens(0L)
                         .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                        .serialized(JsonValue.from(mapOf<String, Any>()))
+                        .s3Urls(
+                            ExampleWithRuns.Run.S3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .serialized(
+                            ExampleWithRuns.Run.Serialized.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .shareToken("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .addTag("string")
@@ -97,17 +133,34 @@ internal class ExampleWithRunsTest {
                         .ttlSeconds(0L)
                         .build()
                 )
-                .attachmentUrls(JsonValue.from(mapOf<String, Any>()))
+                .attachmentUrls(
+                    ExampleWithRuns.AttachmentUrls.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    ExampleWithRuns.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .outputs(JsonValue.from(mapOf<String, Any>()))
+                .outputs(
+                    ExampleWithRuns.Outputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .build()
 
         assertThat(exampleWithRuns.id()).isEqualTo("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(exampleWithRuns.datasetId()).isEqualTo("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-        assertThat(exampleWithRuns._inputs()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(exampleWithRuns.inputs())
+            .isEqualTo(
+                ExampleWithRuns.Inputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(exampleWithRuns.name()).isEqualTo("name")
         assertThat(exampleWithRuns.runs())
             .containsExactly(
@@ -136,25 +189,49 @@ internal class ExampleWithRunsTest {
                     .addDirectChildRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .error("error")
-                    .addEvent(JsonValue.from(mapOf<String, Any>()))
+                    .addEvent(
+                        ExampleWithRuns.Run.Event.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .executionOrder(1L)
-                    .extra(JsonValue.from(mapOf<String, Any>()))
+                    .extra(
+                        ExampleWithRuns.Run.Extra.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .feedbackStats(
                         ExampleWithRuns.Run.FeedbackStats.builder()
-                            .putAdditionalProperty("foo", JsonValue.from(mapOf<String, Any>()))
+                            .putAdditionalProperty("foo", JsonValue.from(mapOf("foo" to "bar")))
                             .build()
                     )
                     .firstTokenTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .inDataset(true)
-                    .inputs(JsonValue.from(mapOf<String, Any>()))
+                    .inputs(
+                        ExampleWithRuns.Run.Inputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .inputsPreview("inputs_preview")
-                    .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                    .inputsS3Urls(
+                        ExampleWithRuns.Run.InputsS3Urls.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .lastQueuedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .outputs(JsonValue.from(mapOf<String, Any>()))
+                    .outputs(
+                        ExampleWithRuns.Run.Outputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .outputsPreview("outputs_preview")
-                    .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                    .outputsS3Urls(
+                        ExampleWithRuns.Run.OutputsS3Urls.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .addParentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .priceModelId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -172,8 +249,16 @@ internal class ExampleWithRunsTest {
                     .promptTokens(0L)
                     .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                    .serialized(JsonValue.from(mapOf<String, Any>()))
+                    .s3Urls(
+                        ExampleWithRuns.Run.S3Urls.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
+                    .serialized(
+                        ExampleWithRuns.Run.Serialized.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .shareToken("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .addTag("string")
@@ -188,14 +273,28 @@ internal class ExampleWithRunsTest {
                     .ttlSeconds(0L)
                     .build()
             )
-        assertThat(exampleWithRuns._attachmentUrls())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(exampleWithRuns.attachmentUrls())
+            .contains(
+                ExampleWithRuns.AttachmentUrls.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(exampleWithRuns.createdAt())
             .contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-        assertThat(exampleWithRuns._metadata()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(exampleWithRuns.metadata())
+            .contains(
+                ExampleWithRuns.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(exampleWithRuns.modifiedAt())
             .contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-        assertThat(exampleWithRuns._outputs()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(exampleWithRuns.outputs())
+            .contains(
+                ExampleWithRuns.Outputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(exampleWithRuns.sourceRunId()).contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
     }
 
@@ -206,7 +305,11 @@ internal class ExampleWithRunsTest {
             ExampleWithRuns.builder()
                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .inputs(JsonValue.from(mapOf<String, Any>()))
+                .inputs(
+                    ExampleWithRuns.Inputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .name("name")
                 .addRun(
                     ExampleWithRuns.Run.builder()
@@ -234,25 +337,49 @@ internal class ExampleWithRunsTest {
                         .addDirectChildRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .error("error")
-                        .addEvent(JsonValue.from(mapOf<String, Any>()))
+                        .addEvent(
+                            ExampleWithRuns.Run.Event.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .executionOrder(1L)
-                        .extra(JsonValue.from(mapOf<String, Any>()))
+                        .extra(
+                            ExampleWithRuns.Run.Extra.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .feedbackStats(
                             ExampleWithRuns.Run.FeedbackStats.builder()
-                                .putAdditionalProperty("foo", JsonValue.from(mapOf<String, Any>()))
+                                .putAdditionalProperty("foo", JsonValue.from(mapOf("foo" to "bar")))
                                 .build()
                         )
                         .firstTokenTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .inDataset(true)
-                        .inputs(JsonValue.from(mapOf<String, Any>()))
+                        .inputs(
+                            ExampleWithRuns.Run.Inputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .inputsPreview("inputs_preview")
-                        .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                        .inputsS3Urls(
+                            ExampleWithRuns.Run.InputsS3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .lastQueuedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                        .outputs(
+                            ExampleWithRuns.Run.Outputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .outputsPreview("outputs_preview")
-                        .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                        .outputsS3Urls(
+                            ExampleWithRuns.Run.OutputsS3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .addParentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .priceModelId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -270,8 +397,16 @@ internal class ExampleWithRunsTest {
                         .promptTokens(0L)
                         .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                        .serialized(JsonValue.from(mapOf<String, Any>()))
+                        .s3Urls(
+                            ExampleWithRuns.Run.S3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .serialized(
+                            ExampleWithRuns.Run.Serialized.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .shareToken("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .addTag("string")
@@ -286,11 +421,23 @@ internal class ExampleWithRunsTest {
                         .ttlSeconds(0L)
                         .build()
                 )
-                .attachmentUrls(JsonValue.from(mapOf<String, Any>()))
+                .attachmentUrls(
+                    ExampleWithRuns.AttachmentUrls.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    ExampleWithRuns.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .outputs(JsonValue.from(mapOf<String, Any>()))
+                .outputs(
+                    ExampleWithRuns.Outputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .build()
 

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/datasets/runs/RunCreateResponseTest.kt

@@ -22,7 +22,11 @@ internal class RunCreateResponseTest {
                 ExampleWithRuns.builder()
                     .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .inputs(JsonValue.from(mapOf<String, Any>()))
+                    .inputs(
+                        ExampleWithRuns.Inputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .name("name")
                     .addRun(
                         ExampleWithRuns.Run.builder()
@@ -50,28 +54,52 @@ internal class RunCreateResponseTest {
                             .addDirectChildRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                             .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                             .error("error")
-                            .addEvent(JsonValue.from(mapOf<String, Any>()))
+                            .addEvent(
+                                ExampleWithRuns.Run.Event.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .executionOrder(1L)
-                            .extra(JsonValue.from(mapOf<String, Any>()))
+                            .extra(
+                                ExampleWithRuns.Run.Extra.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .feedbackStats(
                                 ExampleWithRuns.Run.FeedbackStats.builder()
                                     .putAdditionalProperty(
                                         "foo",
-                                        JsonValue.from(mapOf<String, Any>()),
+                                        JsonValue.from(mapOf("foo" to "bar")),
                                     )
                                     .build()
                             )
                             .firstTokenTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                             .inDataset(true)
-                            .inputs(JsonValue.from(mapOf<String, Any>()))
+                            .inputs(
+                                ExampleWithRuns.Run.Inputs.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .inputsPreview("inputs_preview")
-                            .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                            .inputsS3Urls(
+                                ExampleWithRuns.Run.InputsS3Urls.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .lastQueuedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                             .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                             .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                            .outputs(JsonValue.from(mapOf<String, Any>()))
+                            .outputs(
+                                ExampleWithRuns.Run.Outputs.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .outputsPreview("outputs_preview")
-                            .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                            .outputsS3Urls(
+                                ExampleWithRuns.Run.OutputsS3Urls.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                             .addParentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                             .priceModelId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -89,8 +117,16 @@ internal class RunCreateResponseTest {
                             .promptTokens(0L)
                             .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                             .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                            .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                            .serialized(JsonValue.from(mapOf<String, Any>()))
+                            .s3Urls(
+                                ExampleWithRuns.Run.S3Urls.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
+                            .serialized(
+                                ExampleWithRuns.Run.Serialized.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .shareToken("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                             .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                             .addTag("string")
@@ -105,11 +141,23 @@ internal class RunCreateResponseTest {
                             .ttlSeconds(0L)
                             .build()
                     )
-                    .attachmentUrls(JsonValue.from(mapOf<String, Any>()))
+                    .attachmentUrls(
+                        ExampleWithRuns.AttachmentUrls.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                    .metadata(JsonValue.from(mapOf<String, Any>()))
+                    .metadata(
+                        ExampleWithRuns.Metadata.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                    .outputs(JsonValue.from(mapOf<String, Any>()))
+                    .outputs(
+                        ExampleWithRuns.Outputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .build()
             )
@@ -129,7 +177,11 @@ internal class RunCreateResponseTest {
                     ExampleWithRuns.builder()
                         .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .inputs(JsonValue.from(mapOf<String, Any>()))
+                        .inputs(
+                            ExampleWithRuns.Inputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .name("name")
                         .addRun(
                             ExampleWithRuns.Run.builder()
@@ -157,28 +209,52 @@ internal class RunCreateResponseTest {
                                 .addDirectChildRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                 .error("error")
-                                .addEvent(JsonValue.from(mapOf<String, Any>()))
+                                .addEvent(
+                                    ExampleWithRuns.Run.Event.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .executionOrder(1L)
-                                .extra(JsonValue.from(mapOf<String, Any>()))
+                                .extra(
+                                    ExampleWithRuns.Run.Extra.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .feedbackStats(
                                     ExampleWithRuns.Run.FeedbackStats.builder()
                                         .putAdditionalProperty(
                                             "foo",
-                                            JsonValue.from(mapOf<String, Any>()),
+                                            JsonValue.from(mapOf("foo" to "bar")),
                                         )
                                         .build()
                                 )
                                 .firstTokenTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                 .inDataset(true)
-                                .inputs(JsonValue.from(mapOf<String, Any>()))
+                                .inputs(
+                                    ExampleWithRuns.Run.Inputs.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .inputsPreview("inputs_preview")
-                                .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                                .inputsS3Urls(
+                                    ExampleWithRuns.Run.InputsS3Urls.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .lastQueuedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                 .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                .outputs(JsonValue.from(mapOf<String, Any>()))
+                                .outputs(
+                                    ExampleWithRuns.Run.Outputs.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .outputsPreview("outputs_preview")
-                                .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                                .outputsS3Urls(
+                                    ExampleWithRuns.Run.OutputsS3Urls.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .addParentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .priceModelId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -196,8 +272,16 @@ internal class RunCreateResponseTest {
                                 .promptTokens(0L)
                                 .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                                .serialized(JsonValue.from(mapOf<String, Any>()))
+                                .s3Urls(
+                                    ExampleWithRuns.Run.S3Urls.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
+                                .serialized(
+                                    ExampleWithRuns.Run.Serialized.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .shareToken("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                 .addTag("string")
@@ -214,11 +298,23 @@ internal class RunCreateResponseTest {
                                 .ttlSeconds(0L)
                                 .build()
                         )
-                        .attachmentUrls(JsonValue.from(mapOf<String, Any>()))
+                        .attachmentUrls(
+                            ExampleWithRuns.AttachmentUrls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                        .metadata(JsonValue.from(mapOf<String, Any>()))
+                        .metadata(
+                            ExampleWithRuns.Metadata.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                        .outputs(
+                            ExampleWithRuns.Outputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .build()
                 )
@@ -240,7 +336,11 @@ internal class RunCreateResponseTest {
                 ExampleWithRunsCh.builder()
                     .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .inputs(JsonValue.from(mapOf<String, Any>()))
+                    .inputs(
+                        ExampleWithRunsCh.Inputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .name("name")
                     .addRun(
                         ExampleWithRunsCh.Run.builder()
@@ -256,31 +356,63 @@ internal class RunCreateResponseTest {
                             .dottedOrder("dotted_order")
                             .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                             .error("error")
-                            .addEvent(JsonValue.from(mapOf<String, Any>()))
+                            .addEvent(
+                                ExampleWithRunsCh.Run.Event.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .executionOrder(1L)
-                            .extra(JsonValue.from(mapOf<String, Any>()))
+                            .extra(
+                                ExampleWithRunsCh.Run.Extra.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .feedbackStats(
                                 ExampleWithRunsCh.Run.FeedbackStats.builder()
                                     .putAdditionalProperty(
                                         "foo",
-                                        JsonValue.from(mapOf<String, Any>()),
+                                        JsonValue.from(mapOf("foo" to "bar")),
                                     )
                                     .build()
                             )
-                            .inputs(JsonValue.from(mapOf<String, Any>()))
+                            .inputs(
+                                ExampleWithRunsCh.Run.Inputs.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .inputsPreview("inputs_preview")
-                            .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                            .inputsS3Urls(
+                                ExampleWithRunsCh.Run.InputsS3Urls.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                             .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                            .outputs(JsonValue.from(mapOf<String, Any>()))
+                            .outputs(
+                                ExampleWithRunsCh.Run.Outputs.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .outputsPreview("outputs_preview")
-                            .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                            .outputsS3Urls(
+                                ExampleWithRunsCh.Run.OutputsS3Urls.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                             .promptCost("prompt_cost")
                             .promptTokens(0L)
                             .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                            .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                            .serialized(JsonValue.from(mapOf<String, Any>()))
+                            .s3Urls(
+                                ExampleWithRunsCh.Run.S3Urls.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
+                            .serialized(
+                                ExampleWithRunsCh.Run.Serialized.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                             .addTag("string")
                             .totalCost("total_cost")
@@ -289,11 +421,23 @@ internal class RunCreateResponseTest {
                             .traceMinStartTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                             .build()
                     )
-                    .attachmentUrls(JsonValue.from(mapOf<String, Any>()))
+                    .attachmentUrls(
+                        ExampleWithRunsCh.AttachmentUrls.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                    .metadata(JsonValue.from(mapOf<String, Any>()))
+                    .metadata(
+                        ExampleWithRunsCh.Metadata.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                    .outputs(JsonValue.from(mapOf<String, Any>()))
+                    .outputs(
+                        ExampleWithRunsCh.Outputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .build()
             )
@@ -313,7 +457,11 @@ internal class RunCreateResponseTest {
                     ExampleWithRunsCh.builder()
                         .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .inputs(JsonValue.from(mapOf<String, Any>()))
+                        .inputs(
+                            ExampleWithRunsCh.Inputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .name("name")
                         .addRun(
                             ExampleWithRunsCh.Run.builder()
@@ -329,31 +477,63 @@ internal class RunCreateResponseTest {
                                 .dottedOrder("dotted_order")
                                 .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                 .error("error")
-                                .addEvent(JsonValue.from(mapOf<String, Any>()))
+                                .addEvent(
+                                    ExampleWithRunsCh.Run.Event.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .executionOrder(1L)
-                                .extra(JsonValue.from(mapOf<String, Any>()))
+                                .extra(
+                                    ExampleWithRunsCh.Run.Extra.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .feedbackStats(
                                     ExampleWithRunsCh.Run.FeedbackStats.builder()
                                         .putAdditionalProperty(
                                             "foo",
-                                            JsonValue.from(mapOf<String, Any>()),
+                                            JsonValue.from(mapOf("foo" to "bar")),
                                         )
                                         .build()
                                 )
-                                .inputs(JsonValue.from(mapOf<String, Any>()))
+                                .inputs(
+                                    ExampleWithRunsCh.Run.Inputs.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .inputsPreview("inputs_preview")
-                                .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                                .inputsS3Urls(
+                                    ExampleWithRunsCh.Run.InputsS3Urls.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                .outputs(JsonValue.from(mapOf<String, Any>()))
+                                .outputs(
+                                    ExampleWithRunsCh.Run.Outputs.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .outputsPreview("outputs_preview")
-                                .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                                .outputsS3Urls(
+                                    ExampleWithRunsCh.Run.OutputsS3Urls.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .promptCost("prompt_cost")
                                 .promptTokens(0L)
                                 .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                                .serialized(JsonValue.from(mapOf<String, Any>()))
+                                .s3Urls(
+                                    ExampleWithRunsCh.Run.S3Urls.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
+                                .serialized(
+                                    ExampleWithRunsCh.Run.Serialized.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                 .addTag("string")
                                 .totalCost("total_cost")
@@ -362,11 +542,23 @@ internal class RunCreateResponseTest {
                                 .traceMinStartTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                 .build()
                         )
-                        .attachmentUrls(JsonValue.from(mapOf<String, Any>()))
+                        .attachmentUrls(
+                            ExampleWithRunsCh.AttachmentUrls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                        .metadata(JsonValue.from(mapOf<String, Any>()))
+                        .metadata(
+                            ExampleWithRunsCh.Metadata.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                        .outputs(
+                            ExampleWithRunsCh.Outputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .build()
                 )

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/examples/ExampleCreateParamsTest.kt

@@ -15,9 +15,21 @@ internal class ExampleCreateParamsTest {
             .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
             .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
             .createdAt("created_at")
-            .inputs(JsonValue.from(mapOf<String, Any>()))
-            .metadata(JsonValue.from(mapOf<String, Any>()))
-            .outputs(JsonValue.from(mapOf<String, Any>()))
+            .inputs(
+                ExampleCreateParams.Inputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+            .metadata(
+                ExampleCreateParams.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+            .outputs(
+                ExampleCreateParams.Outputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
             .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
             .splitOfStrings(listOf("string"))
             .useLegacyMessageFormat(true)
@@ -33,9 +45,21 @@ internal class ExampleCreateParamsTest {
                 .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .createdAt("created_at")
-                .inputs(JsonValue.from(mapOf<String, Any>()))
-                .metadata(JsonValue.from(mapOf<String, Any>()))
-                .outputs(JsonValue.from(mapOf<String, Any>()))
+                .inputs(
+                    ExampleCreateParams.Inputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .metadata(
+                    ExampleCreateParams.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .outputs(
+                    ExampleCreateParams.Outputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .splitOfStrings(listOf("string"))
                 .useLegacyMessageFormat(true)
@@ -48,9 +72,24 @@ internal class ExampleCreateParamsTest {
         assertThat(body.datasetId()).isEqualTo("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(body.id()).contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(body.createdAt()).contains("created_at")
-        assertThat(body._inputs()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
-        assertThat(body._metadata()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
-        assertThat(body._outputs()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(body.inputs())
+            .contains(
+                ExampleCreateParams.Inputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+        assertThat(body.metadata())
+            .contains(
+                ExampleCreateParams.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+        assertThat(body.outputs())
+            .contains(
+                ExampleCreateParams.Outputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(body.sourceRunId()).contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(body.split()).contains(ExampleCreateParams.Split.ofStrings(listOf("string")))
         assertThat(body.useLegacyMessageFormat()).contains(true)

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/examples/ExampleTest.kt

@@ -17,25 +17,59 @@ internal class ExampleTest {
             Example.builder()
                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .inputs(JsonValue.from(mapOf<String, Any>()))
+                .inputs(
+                    Example.Inputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .name("name")
-                .attachmentUrls(JsonValue.from(mapOf<String, Any>()))
+                .attachmentUrls(
+                    Example.AttachmentUrls.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    Example.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .outputs(JsonValue.from(mapOf<String, Any>()))
+                .outputs(
+                    Example.Outputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .build()
 
         assertThat(example.id()).isEqualTo("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(example.datasetId()).isEqualTo("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-        assertThat(example._inputs()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(example.inputs())
+            .isEqualTo(
+                Example.Inputs.builder().putAdditionalProperty("foo", JsonValue.from("bar")).build()
+            )
         assertThat(example.name()).isEqualTo("name")
-        assertThat(example._attachmentUrls()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(example.attachmentUrls())
+            .contains(
+                Example.AttachmentUrls.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(example.createdAt()).contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-        assertThat(example._metadata()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(example.metadata())
+            .contains(
+                Example.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(example.modifiedAt()).contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-        assertThat(example._outputs()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(example.outputs())
+            .contains(
+                Example.Outputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(example.sourceRunId()).contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
     }
 
@@ -46,13 +80,29 @@ internal class ExampleTest {
             Example.builder()
                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .inputs(JsonValue.from(mapOf<String, Any>()))
+                .inputs(
+                    Example.Inputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .name("name")
-                .attachmentUrls(JsonValue.from(mapOf<String, Any>()))
+                .attachmentUrls(
+                    Example.AttachmentUrls.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    Example.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .outputs(JsonValue.from(mapOf<String, Any>()))
+                .outputs(
+                    Example.Outputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .build()
 

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/examples/ExampleUpdateParamsTest.kt

@@ -23,9 +23,21 @@ internal class ExampleUpdateParamsTest {
                     .build()
             )
             .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-            .inputs(JsonValue.from(mapOf<String, Any>()))
-            .metadata(JsonValue.from(mapOf<String, Any>()))
-            .outputs(JsonValue.from(mapOf<String, Any>()))
+            .inputs(
+                ExampleUpdateParams.Inputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+            .metadata(
+                ExampleUpdateParams.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+            .outputs(
+                ExampleUpdateParams.Outputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
             .overwrite(true)
             .splitOfStrings(listOf("string"))
             .build()
@@ -57,9 +69,21 @@ internal class ExampleUpdateParamsTest {
                         .build()
                 )
                 .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .inputs(JsonValue.from(mapOf<String, Any>()))
-                .metadata(JsonValue.from(mapOf<String, Any>()))
-                .outputs(JsonValue.from(mapOf<String, Any>()))
+                .inputs(
+                    ExampleUpdateParams.Inputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .metadata(
+                    ExampleUpdateParams.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .outputs(
+                    ExampleUpdateParams.Outputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .overwrite(true)
                 .splitOfStrings(listOf("string"))
                 .build()
@@ -78,9 +102,24 @@ internal class ExampleUpdateParamsTest {
                     .build()
             )
         assertThat(body.datasetId()).contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-        assertThat(body._inputs()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
-        assertThat(body._metadata()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
-        assertThat(body._outputs()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(body.inputs())
+            .contains(
+                ExampleUpdateParams.Inputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+        assertThat(body.metadata())
+            .contains(
+                ExampleUpdateParams.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+        assertThat(body.outputs())
+            .contains(
+                ExampleUpdateParams.Outputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(body.overwrite()).contains(true)
         assertThat(body.split()).contains(ExampleUpdateParams.Split.ofStrings(listOf("string")))
     }

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/examples/bulk/BulkCreateParamsTest.kt

@@ -16,9 +16,21 @@ internal class BulkCreateParamsTest {
                     .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .createdAt("created_at")
-                    .inputs(JsonValue.from(mapOf<String, Any>()))
-                    .metadata(JsonValue.from(mapOf<String, Any>()))
-                    .outputs(JsonValue.from(mapOf<String, Any>()))
+                    .inputs(
+                        BulkCreateParams.Body.Inputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
+                    .metadata(
+                        BulkCreateParams.Body.Metadata.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
+                    .outputs(
+                        BulkCreateParams.Body.Outputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .splitOfStrings(listOf("string"))
                     .useLegacyMessageFormat(true)
@@ -38,9 +50,21 @@ internal class BulkCreateParamsTest {
                         .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .createdAt("created_at")
-                        .inputs(JsonValue.from(mapOf<String, Any>()))
-                        .metadata(JsonValue.from(mapOf<String, Any>()))
-                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                        .inputs(
+                            BulkCreateParams.Body.Inputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .metadata(
+                            BulkCreateParams.Body.Metadata.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .outputs(
+                            BulkCreateParams.Body.Outputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .splitOfStrings(listOf("string"))
                         .useLegacyMessageFormat(true)
@@ -58,9 +82,21 @@ internal class BulkCreateParamsTest {
                     .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .createdAt("created_at")
-                    .inputs(JsonValue.from(mapOf<String, Any>()))
-                    .metadata(JsonValue.from(mapOf<String, Any>()))
-                    .outputs(JsonValue.from(mapOf<String, Any>()))
+                    .inputs(
+                        BulkCreateParams.Body.Inputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
+                    .metadata(
+                        BulkCreateParams.Body.Metadata.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
+                    .outputs(
+                        BulkCreateParams.Body.Outputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .splitOfStrings(listOf("string"))
                     .useLegacyMessageFormat(true)

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/examples/bulk/BulkPatchAllParamsTest.kt

@@ -26,9 +26,21 @@ internal class BulkPatchAllParamsTest {
                             .build()
                     )
                     .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .inputs(JsonValue.from(mapOf<String, Any>()))
-                    .metadata(JsonValue.from(mapOf<String, Any>()))
-                    .outputs(JsonValue.from(mapOf<String, Any>()))
+                    .inputs(
+                        BulkPatchAllParams.Body.Inputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
+                    .metadata(
+                        BulkPatchAllParams.Body.Metadata.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
+                    .outputs(
+                        BulkPatchAllParams.Body.Outputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .overwrite(true)
                     .splitOfStrings(listOf("string"))
                     .build()
@@ -54,9 +66,21 @@ internal class BulkPatchAllParamsTest {
                                 .build()
                         )
                         .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .inputs(JsonValue.from(mapOf<String, Any>()))
-                        .metadata(JsonValue.from(mapOf<String, Any>()))
-                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                        .inputs(
+                            BulkPatchAllParams.Body.Inputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .metadata(
+                            BulkPatchAllParams.Body.Metadata.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .outputs(
+                            BulkPatchAllParams.Body.Outputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .overwrite(true)
                         .splitOfStrings(listOf("string"))
                         .build()
@@ -80,9 +104,21 @@ internal class BulkPatchAllParamsTest {
                             .build()
                     )
                     .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .inputs(JsonValue.from(mapOf<String, Any>()))
-                    .metadata(JsonValue.from(mapOf<String, Any>()))
-                    .outputs(JsonValue.from(mapOf<String, Any>()))
+                    .inputs(
+                        BulkPatchAllParams.Body.Inputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
+                    .metadata(
+                        BulkPatchAllParams.Body.Metadata.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
+                    .outputs(
+                        BulkPatchAllParams.Body.Outputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .overwrite(true)
                     .splitOfStrings(listOf("string"))
                     .build()

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/examples/validate/ExampleValidationResultTest.kt

@@ -18,9 +18,21 @@ internal class ExampleValidationResultTest {
                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .inputs(JsonValue.from(mapOf<String, Any>()))
-                .metadata(JsonValue.from(mapOf<String, Any>()))
-                .outputs(JsonValue.from(mapOf<String, Any>()))
+                .inputs(
+                    ExampleValidationResult.Inputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .metadata(
+                    ExampleValidationResult.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .outputs(
+                    ExampleValidationResult.Outputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .overwrite(true)
                 .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .splitOfStrings(listOf("string"))
@@ -32,12 +44,24 @@ internal class ExampleValidationResultTest {
             .contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
         assertThat(exampleValidationResult.datasetId())
             .contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-        assertThat(exampleValidationResult._inputs())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
-        assertThat(exampleValidationResult._metadata())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
-        assertThat(exampleValidationResult._outputs())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(exampleValidationResult.inputs())
+            .contains(
+                ExampleValidationResult.Inputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+        assertThat(exampleValidationResult.metadata())
+            .contains(
+                ExampleValidationResult.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+        assertThat(exampleValidationResult.outputs())
+            .contains(
+                ExampleValidationResult.Outputs.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(exampleValidationResult.overwrite()).contains(true)
         assertThat(exampleValidationResult.sourceRunId())
             .contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -54,9 +78,21 @@ internal class ExampleValidationResultTest {
                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .datasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .inputs(JsonValue.from(mapOf<String, Any>()))
-                .metadata(JsonValue.from(mapOf<String, Any>()))
-                .outputs(JsonValue.from(mapOf<String, Any>()))
+                .inputs(
+                    ExampleValidationResult.Inputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .metadata(
+                    ExampleValidationResult.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .outputs(
+                    ExampleValidationResult.Outputs.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .overwrite(true)
                 .sourceRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .splitOfStrings(listOf("string"))

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/feedback/ApiFeedbackSourceTest.kt

@@ -14,11 +14,20 @@ internal class ApiFeedbackSourceTest {
     fun create() {
         val apiFeedbackSource =
             ApiFeedbackSource.builder()
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    ApiFeedbackSource.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .type(ApiFeedbackSource.Type.API)
                 .build()
 
-        assertThat(apiFeedbackSource._metadata()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(apiFeedbackSource.metadata())
+            .contains(
+                ApiFeedbackSource.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(apiFeedbackSource.type()).contains(ApiFeedbackSource.Type.API)
     }
 
@@ -27,7 +36,11 @@ internal class ApiFeedbackSourceTest {
         val jsonMapper = jsonMapper()
         val apiFeedbackSource =
             ApiFeedbackSource.builder()
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    ApiFeedbackSource.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .type(ApiFeedbackSource.Type.API)
                 .build()
 

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/feedback/AppFeedbackSourceTest.kt

@@ -14,11 +14,20 @@ internal class AppFeedbackSourceTest {
     fun create() {
         val appFeedbackSource =
             AppFeedbackSource.builder()
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    AppFeedbackSource.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .type(AppFeedbackSource.Type.APP)
                 .build()
 
-        assertThat(appFeedbackSource._metadata()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(appFeedbackSource.metadata())
+            .contains(
+                AppFeedbackSource.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(appFeedbackSource.type()).contains(AppFeedbackSource.Type.APP)
     }
 
@@ -27,7 +36,11 @@ internal class AppFeedbackSourceTest {
         val jsonMapper = jsonMapper()
         val appFeedbackSource =
             AppFeedbackSource.builder()
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    AppFeedbackSource.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .type(AppFeedbackSource.Type.APP)
                 .build()
 

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/feedback/AutoEvalFeedbackSourceTest.kt

@@ -14,12 +14,20 @@ internal class AutoEvalFeedbackSourceTest {
     fun create() {
         val autoEvalFeedbackSource =
             AutoEvalFeedbackSource.builder()
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    AutoEvalFeedbackSource.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .type(AutoEvalFeedbackSource.Type.AUTO_EVAL)
                 .build()
 
-        assertThat(autoEvalFeedbackSource._metadata())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(autoEvalFeedbackSource.metadata())
+            .contains(
+                AutoEvalFeedbackSource.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(autoEvalFeedbackSource.type()).contains(AutoEvalFeedbackSource.Type.AUTO_EVAL)
     }
 
@@ -28,7 +36,11 @@ internal class AutoEvalFeedbackSourceTest {
         val jsonMapper = jsonMapper()
         val autoEvalFeedbackSource =
             AutoEvalFeedbackSource.builder()
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    AutoEvalFeedbackSource.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .type(AutoEvalFeedbackSource.Type.AUTO_EVAL)
                 .build()
 

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/feedback/FeedbackCreateParamsTest.kt

@@ -18,7 +18,11 @@ internal class FeedbackCreateParamsTest {
                     .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .comment("comment")
                     .comparativeExperimentId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .correction(JsonValue.from(mapOf<String, Any>()))
+                    .correction(
+                        FeedbackCreateSchema.Correction.UnionMember0.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .error(true)
                     .feedbackConfig(
@@ -37,7 +41,11 @@ internal class FeedbackCreateParamsTest {
                     .feedbackGroupId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .feedbackSource(
                         AppFeedbackSource.builder()
-                            .metadata(JsonValue.from(mapOf<String, Any>()))
+                            .metadata(
+                                AppFeedbackSource.Metadata.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .type(AppFeedbackSource.Type.APP)
                             .build()
                     )
@@ -62,7 +70,11 @@ internal class FeedbackCreateParamsTest {
                         .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .comment("comment")
                         .comparativeExperimentId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .correction(JsonValue.from(mapOf<String, Any>()))
+                        .correction(
+                            FeedbackCreateSchema.Correction.UnionMember0.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .error(true)
                         .feedbackConfig(
@@ -81,7 +93,11 @@ internal class FeedbackCreateParamsTest {
                         .feedbackGroupId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .feedbackSource(
                             AppFeedbackSource.builder()
-                                .metadata(JsonValue.from(mapOf<String, Any>()))
+                                .metadata(
+                                    AppFeedbackSource.Metadata.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .type(AppFeedbackSource.Type.APP)
                                 .build()
                         )
@@ -104,7 +120,11 @@ internal class FeedbackCreateParamsTest {
                     .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .comment("comment")
                     .comparativeExperimentId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .correction(JsonValue.from(mapOf<String, Any>()))
+                    .correction(
+                        FeedbackCreateSchema.Correction.UnionMember0.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .error(true)
                     .feedbackConfig(
@@ -123,7 +143,11 @@ internal class FeedbackCreateParamsTest {
                     .feedbackGroupId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .feedbackSource(
                         AppFeedbackSource.builder()
-                            .metadata(JsonValue.from(mapOf<String, Any>()))
+                            .metadata(
+                                AppFeedbackSource.Metadata.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .type(AppFeedbackSource.Type.APP)
                             .build()
                     )

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/feedback/FeedbackCreateSchemaTest.kt

@@ -19,7 +19,11 @@ internal class FeedbackCreateSchemaTest {
                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .comment("comment")
                 .comparativeExperimentId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .correction(JsonValue.from(mapOf<String, Any>()))
+                .correction(
+                    FeedbackCreateSchema.Correction.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .error(true)
                 .feedbackConfig(
@@ -38,7 +42,11 @@ internal class FeedbackCreateSchemaTest {
                 .feedbackGroupId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .feedbackSource(
                     AppFeedbackSource.builder()
-                        .metadata(JsonValue.from(mapOf<String, Any>()))
+                        .metadata(
+                            AppFeedbackSource.Metadata.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .type(AppFeedbackSource.Type.APP)
                         .build()
                 )
@@ -57,7 +65,11 @@ internal class FeedbackCreateSchemaTest {
             .contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(feedbackCreateSchema.correction())
             .contains(
-                FeedbackCreateSchema.Correction.ofJsonValue(JsonValue.from(mapOf<String, Any>()))
+                FeedbackCreateSchema.Correction.ofUnionMember0(
+                    FeedbackCreateSchema.Correction.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
             )
         assertThat(feedbackCreateSchema.createdAt())
             .contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
@@ -82,7 +94,11 @@ internal class FeedbackCreateSchemaTest {
             .contains(
                 FeedbackCreateSchema.FeedbackSource.ofApp(
                     AppFeedbackSource.builder()
-                        .metadata(JsonValue.from(mapOf<String, Any>()))
+                        .metadata(
+                            AppFeedbackSource.Metadata.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .type(AppFeedbackSource.Type.APP)
                         .build()
                 )
@@ -106,7 +122,11 @@ internal class FeedbackCreateSchemaTest {
                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .comment("comment")
                 .comparativeExperimentId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .correction(JsonValue.from(mapOf<String, Any>()))
+                .correction(
+                    FeedbackCreateSchema.Correction.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .error(true)
                 .feedbackConfig(
@@ -125,7 +145,11 @@ internal class FeedbackCreateSchemaTest {
                 .feedbackGroupId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .feedbackSource(
                     AppFeedbackSource.builder()
-                        .metadata(JsonValue.from(mapOf<String, Any>()))
+                        .metadata(
+                            AppFeedbackSource.Metadata.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .type(AppFeedbackSource.Type.APP)
                         .build()
                 )

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/feedback/FeedbackSchemaTest.kt

@@ -19,14 +19,26 @@ internal class FeedbackSchemaTest {
                 .key("key")
                 .comment("comment")
                 .comparativeExperimentId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .correction(JsonValue.from(mapOf<String, Any>()))
+                .correction(
+                    FeedbackSchema.Correction.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .extra(JsonValue.from(mapOf<String, Any>()))
+                .extra(
+                    FeedbackSchema.Extra.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .feedbackGroupId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .feedbackSource(
                     FeedbackSchema.FeedbackSource.builder()
                         .lsUserId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .metadata(JsonValue.from(mapOf<String, Any>()))
+                        .metadata(
+                            FeedbackSchema.FeedbackSource.Metadata.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .type("type")
                         .userId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .userName("user_name")
@@ -48,17 +60,32 @@ internal class FeedbackSchemaTest {
         assertThat(feedbackSchema.comparativeExperimentId())
             .contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(feedbackSchema.correction())
-            .contains(FeedbackSchema.Correction.ofJsonValue(JsonValue.from(mapOf<String, Any>())))
+            .contains(
+                FeedbackSchema.Correction.ofUnionMember0(
+                    FeedbackSchema.Correction.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+            )
         assertThat(feedbackSchema.createdAt())
             .contains(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-        assertThat(feedbackSchema._extra()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(feedbackSchema.extra())
+            .contains(
+                FeedbackSchema.Extra.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(feedbackSchema.feedbackGroupId())
             .contains("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
         assertThat(feedbackSchema.feedbackSource())
             .contains(
                 FeedbackSchema.FeedbackSource.builder()
                     .lsUserId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .metadata(JsonValue.from(mapOf<String, Any>()))
+                    .metadata(
+                        FeedbackSchema.FeedbackSource.Metadata.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .type("type")
                     .userId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .userName("user_name")
@@ -85,14 +112,26 @@ internal class FeedbackSchemaTest {
                 .key("key")
                 .comment("comment")
                 .comparativeExperimentId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                .correction(JsonValue.from(mapOf<String, Any>()))
+                .correction(
+                    FeedbackSchema.Correction.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .createdAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
-                .extra(JsonValue.from(mapOf<String, Any>()))
+                .extra(
+                    FeedbackSchema.Extra.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .feedbackGroupId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .feedbackSource(
                     FeedbackSchema.FeedbackSource.builder()
                         .lsUserId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .metadata(JsonValue.from(mapOf<String, Any>()))
+                        .metadata(
+                            FeedbackSchema.FeedbackSource.Metadata.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .type("type")
                         .userId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .userName("user_name")

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/feedback/FeedbackUpdateParamsTest.kt

@@ -13,7 +13,11 @@ internal class FeedbackUpdateParamsTest {
         FeedbackUpdateParams.builder()
             .feedbackId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
             .comment("comment")
-            .correction(JsonValue.from(mapOf<String, Any>()))
+            .correction(
+                FeedbackUpdateParams.Correction.UnionMember0.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
             .feedbackConfig(
                 FeedbackUpdateParams.FeedbackConfig.builder()
                     .type(FeedbackUpdateParams.FeedbackConfig.Type.CONTINUOUS)
@@ -50,7 +54,11 @@ internal class FeedbackUpdateParamsTest {
             FeedbackUpdateParams.builder()
                 .feedbackId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .comment("comment")
-                .correction(JsonValue.from(mapOf<String, Any>()))
+                .correction(
+                    FeedbackUpdateParams.Correction.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .feedbackConfig(
                     FeedbackUpdateParams.FeedbackConfig.builder()
                         .type(FeedbackUpdateParams.FeedbackConfig.Type.CONTINUOUS)
@@ -73,7 +81,11 @@ internal class FeedbackUpdateParamsTest {
         assertThat(body.comment()).contains("comment")
         assertThat(body.correction())
             .contains(
-                FeedbackUpdateParams.Correction.ofJsonValue(JsonValue.from(mapOf<String, Any>()))
+                FeedbackUpdateParams.Correction.ofUnionMember0(
+                    FeedbackUpdateParams.Correction.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
             )
         assertThat(body.feedbackConfig())
             .contains(

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/feedback/ModelFeedbackSourceTest.kt

@@ -14,11 +14,20 @@ internal class ModelFeedbackSourceTest {
     fun create() {
         val modelFeedbackSource =
             ModelFeedbackSource.builder()
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    ModelFeedbackSource.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .type(ModelFeedbackSource.Type.MODEL)
                 .build()
 
-        assertThat(modelFeedbackSource._metadata()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(modelFeedbackSource.metadata())
+            .contains(
+                ModelFeedbackSource.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(modelFeedbackSource.type()).contains(ModelFeedbackSource.Type.MODEL)
     }
 
@@ -27,7 +36,11 @@ internal class ModelFeedbackSourceTest {
         val jsonMapper = jsonMapper()
         val modelFeedbackSource =
             ModelFeedbackSource.builder()
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .metadata(
+                    ModelFeedbackSource.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .type(ModelFeedbackSource.Type.MODEL)
                 .build()
 

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/feedback/tokens/TokenUpdateParamsTest.kt

@@ -13,8 +13,16 @@ internal class TokenUpdateParamsTest {
         TokenUpdateParams.builder()
             .token("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
             .comment("comment")
-            .correction(JsonValue.from(mapOf<String, Any>()))
-            .metadata(JsonValue.from(mapOf<String, Any>()))
+            .correction(
+                TokenUpdateParams.Correction.UnionMember0.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+            .metadata(
+                TokenUpdateParams.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
             .score(0.0)
             .value(0.0)
             .build()
@@ -36,8 +44,16 @@ internal class TokenUpdateParamsTest {
             TokenUpdateParams.builder()
                 .token("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .comment("comment")
-                .correction(JsonValue.from(mapOf<String, Any>()))
-                .metadata(JsonValue.from(mapOf<String, Any>()))
+                .correction(
+                    TokenUpdateParams.Correction.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .metadata(
+                    TokenUpdateParams.Metadata.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .score(0.0)
                 .value(0.0)
                 .build()
@@ -47,9 +63,18 @@ internal class TokenUpdateParamsTest {
         assertThat(body.comment()).contains("comment")
         assertThat(body.correction())
             .contains(
-                TokenUpdateParams.Correction.ofJsonValue(JsonValue.from(mapOf<String, Any>()))
+                TokenUpdateParams.Correction.ofUnionMember0(
+                    TokenUpdateParams.Correction.UnionMember0.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+            )
+        assertThat(body.metadata())
+            .contains(
+                TokenUpdateParams.Metadata.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
             )
-        assertThat(body._metadata()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
         assertThat(body.score()).contains(TokenUpdateParams.Score.ofNumber(0.0))
         assertThat(body.value()).contains(TokenUpdateParams.Value.ofNumber(0.0))
     }

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/public_/datasets/DatasetListComparativeResponseTest.kt

@@ -26,8 +26,16 @@ internal class DatasetListComparativeResponseTest {
                 )
                 .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .description("description")
-                .extra(JsonValue.from(mapOf<String, Any>()))
-                .feedbackStats(JsonValue.from(mapOf<String, Any>()))
+                .extra(
+                    DatasetListComparativeResponse.Extra.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .feedbackStats(
+                    DatasetListComparativeResponse.FeedbackStats.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .name("name")
                 .build()
 
@@ -45,10 +53,18 @@ internal class DatasetListComparativeResponseTest {
         assertThat(datasetListComparativeResponse.modifiedAt())
             .isEqualTo(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
         assertThat(datasetListComparativeResponse.description()).contains("description")
-        assertThat(datasetListComparativeResponse._extra())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
-        assertThat(datasetListComparativeResponse._feedbackStats())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(datasetListComparativeResponse.extra())
+            .contains(
+                DatasetListComparativeResponse.Extra.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+        assertThat(datasetListComparativeResponse.feedbackStats())
+            .contains(
+                DatasetListComparativeResponse.FeedbackStats.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(datasetListComparativeResponse.name()).contains("name")
     }
 
@@ -67,8 +83,16 @@ internal class DatasetListComparativeResponseTest {
                 )
                 .modifiedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                 .description("description")
-                .extra(JsonValue.from(mapOf<String, Any>()))
-                .feedbackStats(JsonValue.from(mapOf<String, Any>()))
+                .extra(
+                    DatasetListComparativeResponse.Extra.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .feedbackStats(
+                    DatasetListComparativeResponse.FeedbackStats.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .name("name")
                 .build()
 

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/public_/datasets/DatasetListResponseTest.kt

@@ -25,8 +25,16 @@ internal class DatasetListResponseTest {
                 .dataType(DataType.KV)
                 .description("description")
                 .externallyManaged(true)
-                .inputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
-                .outputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
+                .inputsSchemaDefinition(
+                    DatasetListResponse.InputsSchemaDefinition.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .outputsSchemaDefinition(
+                    DatasetListResponse.OutputsSchemaDefinition.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .addTransformation(
                     DatasetTransformation.builder()
                         .addPath("string")
@@ -45,10 +53,18 @@ internal class DatasetListResponseTest {
         assertThat(datasetListResponse.dataType()).contains(DataType.KV)
         assertThat(datasetListResponse.description()).contains("description")
         assertThat(datasetListResponse.externallyManaged()).contains(true)
-        assertThat(datasetListResponse._inputsSchemaDefinition())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
-        assertThat(datasetListResponse._outputsSchemaDefinition())
-            .isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(datasetListResponse.inputsSchemaDefinition())
+            .contains(
+                DatasetListResponse.InputsSchemaDefinition.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
+        assertThat(datasetListResponse.outputsSchemaDefinition())
+            .contains(
+                DatasetListResponse.OutputsSchemaDefinition.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(datasetListResponse.transformations().getOrNull())
             .containsExactly(
                 DatasetTransformation.builder()
@@ -72,8 +88,16 @@ internal class DatasetListResponseTest {
                 .dataType(DataType.KV)
                 .description("description")
                 .externallyManaged(true)
-                .inputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
-                .outputsSchemaDefinition(JsonValue.from(mapOf<String, Any>()))
+                .inputsSchemaDefinition(
+                    DatasetListResponse.InputsSchemaDefinition.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
+                .outputsSchemaDefinition(
+                    DatasetListResponse.OutputsSchemaDefinition.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .addTransformation(
                     DatasetTransformation.builder()
                         .addPath("string")

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/repos/CreateRepoResponseTest.kt

@@ -37,13 +37,25 @@ internal class CreateRepoResponseTest {
                         .latestCommitManifest(
                             CommitManifestResponse.builder()
                                 .commitHash("commit_hash")
-                                .manifest(JsonValue.from(mapOf<String, Any>()))
+                                .manifest(
+                                    CommitManifestResponse.Manifest.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .addExample(
                                     CommitManifestResponse.Example.builder()
                                         .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                         .sessionId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                        .inputs(JsonValue.from(mapOf<String, Any>()))
-                                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                                        .inputs(
+                                            CommitManifestResponse.Example.Inputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
+                                        .outputs(
+                                            CommitManifestResponse.Example.Outputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                         .build()
                                 )
@@ -81,13 +93,25 @@ internal class CreateRepoResponseTest {
                     .latestCommitManifest(
                         CommitManifestResponse.builder()
                             .commitHash("commit_hash")
-                            .manifest(JsonValue.from(mapOf<String, Any>()))
+                            .manifest(
+                                CommitManifestResponse.Manifest.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .addExample(
                                 CommitManifestResponse.Example.builder()
                                     .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                     .sessionId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                    .inputs(JsonValue.from(mapOf<String, Any>()))
-                                    .outputs(JsonValue.from(mapOf<String, Any>()))
+                                    .inputs(
+                                        CommitManifestResponse.Example.Inputs.builder()
+                                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                            .build()
+                                    )
+                                    .outputs(
+                                        CommitManifestResponse.Example.Outputs.builder()
+                                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                            .build()
+                                    )
                                     .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                     .build()
                             )
@@ -129,13 +153,25 @@ internal class CreateRepoResponseTest {
                         .latestCommitManifest(
                             CommitManifestResponse.builder()
                                 .commitHash("commit_hash")
-                                .manifest(JsonValue.from(mapOf<String, Any>()))
+                                .manifest(
+                                    CommitManifestResponse.Manifest.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .addExample(
                                     CommitManifestResponse.Example.builder()
                                         .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                         .sessionId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                        .inputs(JsonValue.from(mapOf<String, Any>()))
-                                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                                        .inputs(
+                                            CommitManifestResponse.Example.Inputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
+                                        .outputs(
+                                            CommitManifestResponse.Example.Outputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                         .build()
                                 )

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/repos/DemoConfigTest.kt

@@ -14,15 +14,33 @@ internal class DemoConfigTest {
     fun create() {
         val demoConfig =
             DemoConfig.builder()
-                .addExample(JsonValue.from(mapOf<String, Any>()))
+                .addExample(
+                    DemoConfig.Example.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .messageIndex(0L)
-                .metaprompt(JsonValue.from(mapOf<String, Any>()))
+                .metaprompt(
+                    DemoConfig.Metaprompt.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .overallFeedback("overall_feedback")
                 .build()
 
-        assertThat(demoConfig.examples()).containsExactly(JsonValue.from(mapOf<String, Any>()))
+        assertThat(demoConfig.examples())
+            .containsExactly(
+                DemoConfig.Example.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(demoConfig.messageIndex()).isEqualTo(0L)
-        assertThat(demoConfig._metaprompt()).isEqualTo(JsonValue.from(mapOf<String, Any>()))
+        assertThat(demoConfig.metaprompt())
+            .isEqualTo(
+                DemoConfig.Metaprompt.builder()
+                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                    .build()
+            )
         assertThat(demoConfig.overallFeedback()).contains("overall_feedback")
     }
 
@@ -31,9 +49,17 @@ internal class DemoConfigTest {
         val jsonMapper = jsonMapper()
         val demoConfig =
             DemoConfig.builder()
-                .addExample(JsonValue.from(mapOf<String, Any>()))
+                .addExample(
+                    DemoConfig.Example.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .messageIndex(0L)
-                .metaprompt(JsonValue.from(mapOf<String, Any>()))
+                .metaprompt(
+                    DemoConfig.Metaprompt.builder()
+                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                        .build()
+                )
                 .overallFeedback("overall_feedback")
                 .build()
 

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/repos/GetRepoResponseTest.kt

@@ -37,13 +37,25 @@ internal class GetRepoResponseTest {
                         .latestCommitManifest(
                             CommitManifestResponse.builder()
                                 .commitHash("commit_hash")
-                                .manifest(JsonValue.from(mapOf<String, Any>()))
+                                .manifest(
+                                    CommitManifestResponse.Manifest.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .addExample(
                                     CommitManifestResponse.Example.builder()
                                         .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                         .sessionId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                        .inputs(JsonValue.from(mapOf<String, Any>()))
-                                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                                        .inputs(
+                                            CommitManifestResponse.Example.Inputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
+                                        .outputs(
+                                            CommitManifestResponse.Example.Outputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                         .build()
                                 )
@@ -81,13 +93,25 @@ internal class GetRepoResponseTest {
                     .latestCommitManifest(
                         CommitManifestResponse.builder()
                             .commitHash("commit_hash")
-                            .manifest(JsonValue.from(mapOf<String, Any>()))
+                            .manifest(
+                                CommitManifestResponse.Manifest.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .addExample(
                                 CommitManifestResponse.Example.builder()
                                     .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                     .sessionId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                    .inputs(JsonValue.from(mapOf<String, Any>()))
-                                    .outputs(JsonValue.from(mapOf<String, Any>()))
+                                    .inputs(
+                                        CommitManifestResponse.Example.Inputs.builder()
+                                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                            .build()
+                                    )
+                                    .outputs(
+                                        CommitManifestResponse.Example.Outputs.builder()
+                                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                            .build()
+                                    )
                                     .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                     .build()
                             )
@@ -129,13 +153,25 @@ internal class GetRepoResponseTest {
                         .latestCommitManifest(
                             CommitManifestResponse.builder()
                                 .commitHash("commit_hash")
-                                .manifest(JsonValue.from(mapOf<String, Any>()))
+                                .manifest(
+                                    CommitManifestResponse.Manifest.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .addExample(
                                     CommitManifestResponse.Example.builder()
                                         .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                         .sessionId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                        .inputs(JsonValue.from(mapOf<String, Any>()))
-                                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                                        .inputs(
+                                            CommitManifestResponse.Example.Inputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
+                                        .outputs(
+                                            CommitManifestResponse.Example.Outputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                         .build()
                                 )

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/repos/RepoListPageResponseTest.kt

@@ -37,13 +37,25 @@ internal class RepoListPageResponseTest {
                         .latestCommitManifest(
                             CommitManifestResponse.builder()
                                 .commitHash("commit_hash")
-                                .manifest(JsonValue.from(mapOf<String, Any>()))
+                                .manifest(
+                                    CommitManifestResponse.Manifest.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .addExample(
                                     CommitManifestResponse.Example.builder()
                                         .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                         .sessionId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                        .inputs(JsonValue.from(mapOf<String, Any>()))
-                                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                                        .inputs(
+                                            CommitManifestResponse.Example.Inputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
+                                        .outputs(
+                                            CommitManifestResponse.Example.Outputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                         .build()
                                 )
@@ -82,13 +94,25 @@ internal class RepoListPageResponseTest {
                     .latestCommitManifest(
                         CommitManifestResponse.builder()
                             .commitHash("commit_hash")
-                            .manifest(JsonValue.from(mapOf<String, Any>()))
+                            .manifest(
+                                CommitManifestResponse.Manifest.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .addExample(
                                 CommitManifestResponse.Example.builder()
                                     .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                     .sessionId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                    .inputs(JsonValue.from(mapOf<String, Any>()))
-                                    .outputs(JsonValue.from(mapOf<String, Any>()))
+                                    .inputs(
+                                        CommitManifestResponse.Example.Inputs.builder()
+                                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                            .build()
+                                    )
+                                    .outputs(
+                                        CommitManifestResponse.Example.Outputs.builder()
+                                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                            .build()
+                                    )
                                     .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                     .build()
                             )
@@ -131,13 +155,25 @@ internal class RepoListPageResponseTest {
                         .latestCommitManifest(
                             CommitManifestResponse.builder()
                                 .commitHash("commit_hash")
-                                .manifest(JsonValue.from(mapOf<String, Any>()))
+                                .manifest(
+                                    CommitManifestResponse.Manifest.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .addExample(
                                     CommitManifestResponse.Example.builder()
                                         .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                         .sessionId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                        .inputs(JsonValue.from(mapOf<String, Any>()))
-                                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                                        .inputs(
+                                            CommitManifestResponse.Example.Inputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
+                                        .outputs(
+                                            CommitManifestResponse.Example.Outputs.builder()
+                                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                                .build()
+                                        )
                                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                         .build()
                                 )

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/repos/RepoWithLookupsTest.kt

@@ -35,13 +35,25 @@ internal class RepoWithLookupsTest {
                 .latestCommitManifest(
                     CommitManifestResponse.builder()
                         .commitHash("commit_hash")
-                        .manifest(JsonValue.from(mapOf<String, Any>()))
+                        .manifest(
+                            CommitManifestResponse.Manifest.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .addExample(
                             CommitManifestResponse.Example.builder()
                                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .sessionId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                .inputs(JsonValue.from(mapOf<String, Any>()))
-                                .outputs(JsonValue.from(mapOf<String, Any>()))
+                                .inputs(
+                                    CommitManifestResponse.Example.Inputs.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
+                                .outputs(
+                                    CommitManifestResponse.Example.Outputs.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                 .build()
                         )
@@ -77,13 +89,25 @@ internal class RepoWithLookupsTest {
             .contains(
                 CommitManifestResponse.builder()
                     .commitHash("commit_hash")
-                    .manifest(JsonValue.from(mapOf<String, Any>()))
+                    .manifest(
+                        CommitManifestResponse.Manifest.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .addExample(
                         CommitManifestResponse.Example.builder()
                             .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                             .sessionId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                            .inputs(JsonValue.from(mapOf<String, Any>()))
-                            .outputs(JsonValue.from(mapOf<String, Any>()))
+                            .inputs(
+                                CommitManifestResponse.Example.Inputs.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
+                            .outputs(
+                                CommitManifestResponse.Example.Outputs.builder()
+                                    .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                    .build()
+                            )
                             .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                             .build()
                     )
@@ -123,13 +147,25 @@ internal class RepoWithLookupsTest {
                 .latestCommitManifest(
                     CommitManifestResponse.builder()
                         .commitHash("commit_hash")
-                        .manifest(JsonValue.from(mapOf<String, Any>()))
+                        .manifest(
+                            CommitManifestResponse.Manifest.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .addExample(
                             CommitManifestResponse.Example.builder()
                                 .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                                 .sessionId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                                .inputs(JsonValue.from(mapOf<String, Any>()))
-                                .outputs(JsonValue.from(mapOf<String, Any>()))
+                                .inputs(
+                                    CommitManifestResponse.Example.Inputs.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
+                                .outputs(
+                                    CommitManifestResponse.Example.Outputs.builder()
+                                        .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                        .build()
+                                )
                                 .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                                 .build()
                         )

langsmith-java-core/src/test/kotlin/com/langchain/smith/models/runs/RunQueryResponseTest.kt

@@ -46,25 +46,49 @@ internal class RunQueryResponseTest {
                         .addDirectChildRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .error("error")
-                        .addEvent(JsonValue.from(mapOf<String, Any>()))
+                        .addEvent(
+                            RunQueryResponse.Run.Event.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .executionOrder(1L)
-                        .extra(JsonValue.from(mapOf<String, Any>()))
+                        .extra(
+                            RunQueryResponse.Run.Extra.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .feedbackStats(
                             RunQueryResponse.Run.FeedbackStats.builder()
-                                .putAdditionalProperty("foo", JsonValue.from(mapOf<String, Any>()))
+                                .putAdditionalProperty("foo", JsonValue.from(mapOf("foo" to "bar")))
                                 .build()
                         )
                         .firstTokenTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .inDataset(true)
-                        .inputs(JsonValue.from(mapOf<String, Any>()))
+                        .inputs(
+                            RunQueryResponse.Run.Inputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .inputsPreview("inputs_preview")
-                        .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                        .inputsS3Urls(
+                            RunQueryResponse.Run.InputsS3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .lastQueuedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                        .outputs(
+                            RunQueryResponse.Run.Outputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .outputsPreview("outputs_preview")
-                        .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                        .outputsS3Urls(
+                            RunQueryResponse.Run.OutputsS3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .addParentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .priceModelId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -82,8 +106,16 @@ internal class RunQueryResponseTest {
                         .promptTokens(0L)
                         .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                        .serialized(JsonValue.from(mapOf<String, Any>()))
+                        .s3Urls(
+                            RunQueryResponse.Run.S3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .serialized(
+                            RunQueryResponse.Run.Serialized.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .shareToken("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .addTag("string")
@@ -139,25 +171,49 @@ internal class RunQueryResponseTest {
                     .addDirectChildRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .error("error")
-                    .addEvent(JsonValue.from(mapOf<String, Any>()))
+                    .addEvent(
+                        RunQueryResponse.Run.Event.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .executionOrder(1L)
-                    .extra(JsonValue.from(mapOf<String, Any>()))
+                    .extra(
+                        RunQueryResponse.Run.Extra.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .feedbackStats(
                         RunQueryResponse.Run.FeedbackStats.builder()
-                            .putAdditionalProperty("foo", JsonValue.from(mapOf<String, Any>()))
+                            .putAdditionalProperty("foo", JsonValue.from(mapOf("foo" to "bar")))
                             .build()
                     )
                     .firstTokenTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .inDataset(true)
-                    .inputs(JsonValue.from(mapOf<String, Any>()))
+                    .inputs(
+                        RunQueryResponse.Run.Inputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .inputsPreview("inputs_preview")
-                    .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                    .inputsS3Urls(
+                        RunQueryResponse.Run.InputsS3Urls.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .lastQueuedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .outputs(JsonValue.from(mapOf<String, Any>()))
+                    .outputs(
+                        RunQueryResponse.Run.Outputs.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .outputsPreview("outputs_preview")
-                    .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                    .outputsS3Urls(
+                        RunQueryResponse.Run.OutputsS3Urls.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .addParentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .priceModelId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -175,8 +231,16 @@ internal class RunQueryResponseTest {
                     .promptTokens(0L)
                     .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                    .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                    .serialized(JsonValue.from(mapOf<String, Any>()))
+                    .s3Urls(
+                        RunQueryResponse.Run.S3Urls.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
+                    .serialized(
+                        RunQueryResponse.Run.Serialized.builder()
+                            .putAdditionalProperty("foo", JsonValue.from("bar"))
+                            .build()
+                    )
                     .shareToken("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                     .addTag("string")
@@ -236,25 +300,49 @@ internal class RunQueryResponseTest {
                         .addDirectChildRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .endTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .error("error")
-                        .addEvent(JsonValue.from(mapOf<String, Any>()))
+                        .addEvent(
+                            RunQueryResponse.Run.Event.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .executionOrder(1L)
-                        .extra(JsonValue.from(mapOf<String, Any>()))
+                        .extra(
+                            RunQueryResponse.Run.Extra.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .feedbackStats(
                             RunQueryResponse.Run.FeedbackStats.builder()
-                                .putAdditionalProperty("foo", JsonValue.from(mapOf<String, Any>()))
+                                .putAdditionalProperty("foo", JsonValue.from(mapOf("foo" to "bar")))
                                 .build()
                         )
                         .firstTokenTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .inDataset(true)
-                        .inputs(JsonValue.from(mapOf<String, Any>()))
+                        .inputs(
+                            RunQueryResponse.Run.Inputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .inputsPreview("inputs_preview")
-                        .inputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                        .inputsS3Urls(
+                            RunQueryResponse.Run.InputsS3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .lastQueuedAt(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .manifestId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .manifestS3Id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .outputs(JsonValue.from(mapOf<String, Any>()))
+                        .outputs(
+                            RunQueryResponse.Run.Outputs.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .outputsPreview("outputs_preview")
-                        .outputsS3Urls(JsonValue.from(mapOf<String, Any>()))
+                        .outputsS3Urls(
+                            RunQueryResponse.Run.OutputsS3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .parentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .addParentRunId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .priceModelId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
@@ -272,8 +360,16 @@ internal class RunQueryResponseTest {
                         .promptTokens(0L)
                         .referenceDatasetId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .referenceExampleId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
-                        .s3Urls(JsonValue.from(mapOf<String, Any>()))
-                        .serialized(JsonValue.from(mapOf<String, Any>()))
+                        .s3Urls(
+                            RunQueryResponse.Run.S3Urls.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
+                        .serialized(
+                            RunQueryResponse.Run.Serialized.builder()
+                                .putAdditionalProperty("foo", JsonValue.from("bar"))
+                                .build()
+                        )
                         .shareToken("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                         .startTime(OffsetDateTime.parse("2019-12-27T18:11:19.117Z"))
                         .addTag("string")