diff --git a/api/@ohos.data.distributedKVStore.d.ts b/api/@ohos.data.distributedKVStore.d.ts index 30514b2525..cc55042a39 100644 --- a/api/@ohos.data.distributedKVStore.d.ts +++ b/api/@ohos.data.distributedKVStore.d.ts @@ -19,14 +19,14 @@ import dataSharePredicates from './@ohos.data.dataSharePredicates'; import Context from './application/Context'; /** - * Providers interfaces to create a {@link KVManager} istances. + * Provider interfaces to create a {@link KVManager} istances. * @syscap SystemCapability.DistributedDataManager.KVStore.DistributedKVStore * @since 9 */ declare namespace distributedKVStore { /** - * Provides configuration information for {@link KVManager} instances, - * including the caller's package name and distributed network type. + * Provides configuration information to create a {@link KVManager} instance, + * which includes the caller's package name and ability or hap context. * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ @@ -55,42 +55,42 @@ declare namespace distributedKVStore { */ namespace Constants { /** - * max key length. + * Max key length. * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ const MAX_KEY_LENGTH = 1024; /** - * max value length. + * Max value length. * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ const MAX_VALUE_LENGTH = 4194303; /** - * max device coordinate key length. + * Max device coordinate key length. * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ const MAX_KEY_LENGTH_DEVICE = 896; /** - * max store id length. + * Max store id length. * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ const MAX_STORE_ID_LENGTH = 128; /** - * max query length. + * Max query length. * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ const MAX_QUERY_LENGTH = 512000; /** - * max batch operation size. + * Max batch operation size. * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ @@ -157,16 +157,14 @@ declare namespace distributedKVStore { */ interface Value { /** - * Indicates value type + * Indicates the value type * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @see ValueType - * @type {number} - * @memberof Value * @since 9 */ type: ValueType; /** - * Indicates value + * Indicates the value * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ @@ -174,20 +172,20 @@ declare namespace distributedKVStore { } /** - * Provides key-value pairs stored in the distributed database. + * Provides key-value pairs stored in the distributedKVStore. * * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ interface Entry { /** - * Indicates key + * Indicates the key * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ key: string; /** - * Indicates value + * Indicates the value * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ @@ -195,18 +193,18 @@ declare namespace distributedKVStore { } /** - * Receives notifications of all data changes, including data insertion, update, and deletion. + * Receive notifications of all data changes, including data insertion, update, and deletion. * *

If you have subscribed to {@code SingleKVStore} or {@code DeviceKVStore}, you will receive * data change notifications and obtain the changed data from the parameters in callback methods - * upon data insertion, update, or deletion. + * upon data insertion, update or deletion. * * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ interface ChangeNotification { /** - * Indicates data addition records. + * Indicates data insertion records. * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ @@ -224,7 +222,7 @@ declare namespace distributedKVStore { */ deleteEntries: Entry[]; /** - * Indicates from device id. + * Indicates the device id which brings the data change. * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ @@ -317,8 +315,8 @@ declare namespace distributedKVStore { */ enum SecurityLevel { /** - * S1: mains the db is low level security - * There are some low impact, when the data is leaked. + * S1: means the db is in the low security level + * There are some low impact when the data is leaked. * * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 @@ -326,8 +324,8 @@ declare namespace distributedKVStore { S1, /** - * S2: mains the db is middle level security - * There are some major impact, when the data is leaked. + * S2: means the db is in the middle security level + * There are some major impact when the data is leaked. * * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 @@ -335,8 +333,8 @@ declare namespace distributedKVStore { S2, /** - * S3: mains the db is high level security - * There are some severity impact, when the data is leaked. + * S3: means the db is in the high security level + * There are some severity impact when the data is leaked. * * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 @@ -344,8 +342,8 @@ declare namespace distributedKVStore { S3, /** - * S4: mains the db is critical level security - * There are some critical impact, when the data is leaked. + * S4: means the db is in the critical security level + * There are some critical impact when the data is leaked. * * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 @@ -354,54 +352,51 @@ declare namespace distributedKVStore { } /** - * Provides configuration options for creating a {@code SingleKVStore} or {@code DeviceKVStore}. - * - *

You can determine whether to create another database if a KVStore database is missing, - * whether to encrypt the database, and the database type. + * Provides configuration options to create a {@code SingleKVStore} or {@code DeviceKVStore}. * * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ interface Options { /** - * Indicates whether to createa database when the database file does not exist + * Indicates whether to create a database when the database file does not exist * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ createIfMissing?: boolean; /** - * Indicates setting whether database files are encrypted + * Indicates whether database files to be encrypted * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ encrypt?: boolean; /** - * Indicates setting whether to back up database files + * Indicates whether to back up database files * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ backup?: boolean; /** - * Indicates setting whether database files are automatically synchronized + * Indicates whether database files are automatically synchronized * @permission ohos.permission.DISTRIBUTED_DATASYNC * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ autoSync?: boolean; /** - * Indicates setting the databse type + * Indicates the database type * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ kvStoreType?: KVStoreType; /** - * Indicates setting the database security level + * Indicates the database security level * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ securityLevel: SecurityLevel; /** - * Indicates schema object + * Indicates the database schema * @syscap SystemCapability.DistributedDataManager.KVStore.DistributedKVStore * @since 9 */ @@ -411,7 +406,7 @@ declare namespace distributedKVStore { /** * Represents the database schema. * - * You can create Schema objects and put them in Options when creating or opening the database. + * You can set the schema object in options when create or open the database. * * @syscap SystemCapability.DistributedDataManager.KVStore.DistributedKVStore * @since 9 @@ -446,7 +441,7 @@ declare namespace distributedKVStore { */ mode: number; /** - * Indicates the skipsize of schema. + * Indicates the skip size of schema. * * @syscap SystemCapability.DistributedDataManager.KVStore.DistributedKVStore * @since 9 @@ -457,7 +452,7 @@ declare namespace distributedKVStore { /** * Represents a node of a {@link Schema} instance. * - *

Through the {@link Schema} instance, you can define the fields contained in the values stored in a database. + *

With a {@link Schema} instance, you can define the value fields which stored in the database. * *

A FieldNode of the {@link Schema} instance is either a leaf or a non-leaf node. * @@ -478,16 +473,16 @@ declare namespace distributedKVStore { /** * Adds a child node to this {@code FieldNode}. * - *

Adding a child node makes this node a non-leaf node. Field value will be ignored if it has child node. + *

Add a child node to makes this node a non-leaf node and field value will be ignored if it has a child node. * * @param {FieldNode} child - The field node to append. - * @returns Returns true if the child node is successfully added to this {@code FieldNode}; returns false otherwise. + * @returns Returns true if the child node is successfully added to this {@code FieldNode} and false otherwise. * @syscap SystemCapability.DistributedDataManager.KVStore.DistributedKVStore * @since 9 */ appendChild(child: FieldNode): boolean; /** - * Indicates the default value of fieldnode. + * Indicates the default value of field node. * * @syscap SystemCapability.DistributedDataManager.KVStore.DistributedKVStore * @since 9 @@ -510,10 +505,10 @@ declare namespace distributedKVStore { } /** - * Provide methods to obtain the result set of the {@code SingleKVStore} or {@code DeviceKVStore} database. + * Provides methods to operate the result set of the {@code SingleKVStore} or {@code DeviceKVStore} database. * *

The result set is created by using the {@code getResultSet} method in the {@code SingleKVStore} or - * {@code DeviceKVStore} class. This interface also provides methods for moving the data read + * {@code DeviceKVStore} class. This interface also provides methods to move the data read * position in the result set. * * @syscap SystemCapability.DistributedDataManager.KVStore.Core @@ -643,12 +638,12 @@ declare namespace distributedKVStore { } /** - * Represents a database query using a predicate. + * Represents a database query using predicates. * *

This class provides a constructor used to create a {@code Query} instance, which is used to query data * matching specified conditions in the database. * - *

This class also provides methods for adding predicates to the {@code Query} instance. + *

This class also provides methods to add predicates to the {@code Query} instance. * * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 @@ -950,7 +945,6 @@ declare namespace distributedKVStore { * The {@code SingleKVStore} database does not support * synchronous transactions, or data search using snapshots. * - * @version 1 * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ @@ -960,7 +954,7 @@ declare namespace distributedKVStore { * *

If you do not want to synchronize this key-value pair to other devices, set the write option in the local database. * - * @param {string} key - Indicates the key. The length must be less than {@code MAX_KEY_LENGTH}. + * @param {string} key - Indicates the key. Length must be less than {@code MAX_KEY_LENGTH}. * Spaces before and after the key will be cleared. * @param {Uint8Array|string|number|boolean} value - Indicates the value to be inserted. * @param {AsyncCallback} callback - the callback of put. @@ -977,7 +971,7 @@ declare namespace distributedKVStore { * *

If you do not want to synchronize this key-value pair to other devices, set the write option in the local database. * - * @param {string} key - Indicates the key. The length must be less than {@code MAX_KEY_LENGTH}. + * @param {string} key - Indicates the key. Length must be less than {@code MAX_KEY_LENGTH}. * Spaces before and after the key will be cleared. * @param {Uint8Array|string|number|boolean} value - Indicates the value to be inserted. * @returns {Promise} the promise returned by the function. @@ -1016,7 +1010,7 @@ declare namespace distributedKVStore { putBatch(entries: Entry[]): Promise; /** - * Writes a value of the ValuesBucket type into the {@code SingleKVStore} database. + * Writes values of ValuesBucket type into the {@code SingleKVStore} database. * * @param {Array} value - Indicates the ValuesBucket array to be inserted. * @param {AsyncCallback} callback - the callback of putBatch. @@ -1030,7 +1024,7 @@ declare namespace distributedKVStore { putBatch(value: Array, callback: AsyncCallback): void; /** - * Writes a value of the ValuesBucket type into the {@code SingleKVStore} database. + * Writes values of ValuesBucket type into the {@code SingleKVStore} database. * * @param {Array} value - Indicates the ValuesBucket array to be inserted. * @returns {Promise} the promise returned by the function. @@ -1046,7 +1040,7 @@ declare namespace distributedKVStore { /** * Deletes the key-value pair based on a specified key. * - * @param {string} key - Indicates the key. The length must be less than {@code MAX_KEY_LENGTH}. + * @param {string} key - Indicates the key. Length must be less than {@code MAX_KEY_LENGTH}. * Spaces before and after the key will be cleared. * @param {AsyncCallback} callback - the callback of delete. * @throws {BusinessError} 401 - if parameter check failed. @@ -1061,7 +1055,7 @@ declare namespace distributedKVStore { /** * Deletes the key-value pair based on a specified key. * - * @param {string} key - Indicates the key. The length must be less than {@code MAX_KEY_LENGTH}. + * @param {string} key - Indicates the key. Length must be less than {@code MAX_KEY_LENGTH}. * Spaces before and after the key will be cleared. * @returns {Promise} the promise returned by the function. * @throws {BusinessError} 401 - if parameter check failed. @@ -1132,11 +1126,11 @@ declare namespace distributedKVStore { deleteBatch(keys: string[]): Promise; /** - * Removes data of a specified device from the current database. This method is used to remove only the data + * Removes data of the specified device from current database. This method is used to remove only the data * synchronized from remote devices. This operation does not synchronize data to other databases or affect * subsequent data synchronization. * - * @param {string} deviceId - Identifies the device whose data is to be removed. The value cannot be the current device ID. + * @param {string} deviceId - Identifies the device whose data is to be removed and the value cannot be the current device ID. * @param {AsyncCallback} callback - the callback of removeDeviceData. * @throws {BusinessError} 401 - if parameter check failed. * @throws {BusinessError} 15100006 - if the database or result set has been closed. @@ -1146,11 +1140,11 @@ declare namespace distributedKVStore { removeDeviceData(deviceId: string, callback: AsyncCallback): void; /** - * Removes data of a specified device from the current database. This method is used to remove only the data + * Removes data of the specified device from current database. This method is used to remove only the data * synchronized from remote devices. This operation does not synchronize data to other databases or affect * subsequent data synchronization. * - * @param {string} deviceId - Identifies the device whose data is to be removed. The value cannot be the current device ID. + * @param {string} deviceId - Identifies the device whose data is to be removed and the value cannot be the current device ID. * @returns {Promise} the promise returned by the function. * @throws {BusinessError} 401 - if parameter check failed. * @throws {BusinessError} 15100006 - if the database or result set has been closed. @@ -1248,7 +1242,7 @@ declare namespace distributedKVStore { getEntries(query: Query): Promise; /** - * Obtains the result sets with a specified prefix from a {@code SingleKVStore} database. The {@code KVStoreResultSet} + * Obtains the result set with a specified prefix from a {@code SingleKVStore} database. The {@code KVStoreResultSet} * object can be used to query all key-value pairs that meet the search criteria. Each {@code SingleKVStore} * instance can have a maximum of four {@code KVStoreResultSet} objects at the same time. If you have created * four objects, calling this method will return a failure. Therefore, you are advised to call the closeResultSet @@ -1266,7 +1260,7 @@ declare namespace distributedKVStore { getResultSet(keyPrefix: string, callback: AsyncCallback): void; /** - * Obtains the result sets with a specified prefix from a {@code SingleKVStore} database. The {@code KVStoreResultSet} + * Obtains the result set with a specified prefix from a {@code SingleKVStore} database. The {@code KVStoreResultSet} * object can be used to query all key-value pairs that meet the search criteria. Each {@code SingleKVStore} * instance can have a maximum of four {@code KVStoreResultSet} objects at the same time. If you have created * four objects, calling this method will return a failure. Therefore, you are advised to call the closeResultSet @@ -1312,7 +1306,7 @@ declare namespace distributedKVStore { getResultSet(query: Query): Promise; /** - * Obtains the KVStoreResultSet object matching the specified Predicate object. + * Obtains the KVStoreResultSet object matching the specified predicate object. * * @param {dataSharePredicates.DataSharePredicates} predicates - Indicates the datasharePredicates. * @param {AsyncCallback} callback - {KVStoreResultSet}: the {@code KVStoreResultSet} @@ -1327,7 +1321,7 @@ declare namespace distributedKVStore { getResultSet(predicates: dataSharePredicates.DataSharePredicates, callback: AsyncCallback): void; /** - * Obtains the KVStoreResultSet object matching the specified Predicate object. + * Obtains the KVStoreResultSet object matching the specified predicate object. * * @param {dataSharePredicates.DataSharePredicates} predicates - Indicates the datasharePredicates. * @returns {Promise} {KVStoreResultSet}: the {@code KVStoreResultSet} @@ -1342,7 +1336,7 @@ declare namespace distributedKVStore { getResultSet(predicates: dataSharePredicates.DataSharePredicates): Promise; /** - * Closes a {@code KVStoreResultSet} object returned by getResultSet. + * Closes a {@code KVStoreResultSet} object returned by getResultSet method. * * @param {KVStoreResultSet} resultSet - Indicates the {@code KVStoreResultSet} object to close. * @param {AsyncCallback} callback - the callback of closeResultSet. @@ -1353,7 +1347,7 @@ declare namespace distributedKVStore { closeResultSet(resultSet: KVStoreResultSet, callback: AsyncCallback): void; /** - * Closes a {@code KVStoreResultSet} object returned by getResultSet. + * Closes a {@code KVStoreResultSet} object returned by getResultSet method. * * @param {KVStoreResultSet} resultSet - Indicates the {@code KVStoreResultSet} object to close. * @returns {Promise} the promise returned by the function. @@ -1392,9 +1386,9 @@ declare namespace distributedKVStore { getResultSize(query: Query): Promise; /** - * Backs up a database in a specified name. + * Backs up a database in the specified filename. * - * @param {string} file - Indicates the name that saves the database backup. + * @param {string} file - Indicates the database backup filename. * @param {AsyncCallback} callback - the callback of backup. * @throws {BusinessError} 401 - if parameter check failed. * @throws {BusinessError} 15100005 - if not support the operation. @@ -1405,9 +1399,9 @@ declare namespace distributedKVStore { backup(file:string, callback: AsyncCallback):void; /** - * Backs up a database in a specified name. + * Backs up a database in the specified filename. * - * @param {string} file - Indicates the name that saves the database backup. + * @param {string} file - Indicates the database backup filename. * @returns {Promise} the promise returned by the function. * @throws {BusinessError} 401 - if parameter check failed. * @throws {BusinessError} 15100005 - if not support the operation. @@ -1420,7 +1414,7 @@ declare namespace distributedKVStore { /** * Restores a database from a specified database file. * - * @param {string} file - Indicates the name that saves the database file. + * @param {string} file - Indicates the database backup filename. * @param {AsyncCallback} callback - the callback of restore. * @throws {BusinessError} 401 - if parameter check failed. * @throws {BusinessError} 15100005 - if not support the operation. @@ -1433,7 +1427,7 @@ declare namespace distributedKVStore { /** * Restores a database from a specified database file. * - * @param {string} file - Indicates the name that saves the database file. + * @param {string} file - Indicates the database backup filename. * @returns {Promise} the promise returned by the function. * @throws {BusinessError} 401 - if parameter check failed. * @throws {BusinessError} 15100005 - if not support the operation. @@ -1444,9 +1438,9 @@ declare namespace distributedKVStore { restore(file:string): Promise; /** - * Delete a backup files based on a specified name. + * Delete database backup files based on the specified filenames. * - * @param {Array} files - Indicates the backup files to be deleted. + * @param {Array} files - Indicates the backup filenames to be deleted. * @param {AsyncCallback>} callback - {Array<[string, number]>}: * the list of backup file and it's corresponding delete result which 0 means delete success * and otherwise failed. @@ -1457,9 +1451,9 @@ declare namespace distributedKVStore { deleteBackup(files:Array, callback: AsyncCallback>):void; /** - * Delete a backup files based on a specified name. + * Delete database backup files based on the specified filenames. * - * @param {Array} files - Indicates the backup files to be deleted. + * @param {Array} files - Indicates the backup filenames to be deleted. * @returns {Promise>} {Array<[string, number]>}: the list of backup * file and it's corresponding delete result which 0 means delete success and otherwise failed. * @throws {BusinessError} 401 - if parameter check failed. @@ -1644,8 +1638,8 @@ declare namespace distributedKVStore { sync(deviceIds: string[], query: Query, mode: SyncMode, delayMs?: number): void; /** - * Registers a {@code KVStoreObserver} for the database. When data in the distributed database changes, the callback in - * {@code KVStoreObserver} will be invoked. + * Register a callback to the database and when data in the distributed database has changed, + * the callback will be invoked. * * @param {SubscribeType} type - Indicates the subscription type, which is defined in {@code SubscribeType}. * @param {Callback} listener - {ChangeNotification}: the {@code ChangeNotification} @@ -1659,7 +1653,7 @@ declare namespace distributedKVStore { on(event: 'dataChange', type: SubscribeType, listener: Callback): void; /** - * Register Synchronizes SingleKVStore databases callback. + * Register a databases synchronization callback to the database. *

Sync result is returned through asynchronous callback. * * @param {Callback>} syncCallback - {Array<[string, number]>}: the @@ -1672,7 +1666,7 @@ declare namespace distributedKVStore { on(event: 'syncComplete', syncCallback: Callback>): void; /** - * Unsubscribes from the SingleKVStore database based on the specified subscribeType and {@code KVStoreObserver}. + * Unsubscribe from the SingleKVStore database based on the specified subscribeType and listener. * * @param {Callback} listener - {ChangeNotification}: the {@code ChangeNotification} * object indicates the data change events in the distributed database. @@ -1684,7 +1678,7 @@ declare namespace distributedKVStore { off(event:'dataChange', listener?: Callback): void; /** - * UnRegister Synchronizes SingleKVStore databases callback. + * Unregister the database synchronization callback. * * @param {Callback>} syncCallback - {Array<[string, number]>}: the * deviceId and it's corresponding synchronization result which 0 means synchronization success @@ -1719,7 +1713,7 @@ declare namespace distributedKVStore { } /** - * Manages distributed data by device in a distributed system. + * Provides methods related to device-collaboration distributed databases. * *

To create a {@code DeviceKVStore} database, you can use the {@link data.distributed.common.KVManager.getKVStore(Options, String)} * method with {@code KVStoreType} set to {@code DEVICE_COLLABORATION} for the input parameter Options. This database manages distributed @@ -1965,10 +1959,10 @@ declare namespace distributedKVStore { * Creates a {@link KVManager} instance based on the configuration information. * *

You must pass {@link KVManagerConfig} to provide configuration information - * for creating the {@link KVManager} instance. + * to create a {@link KVManager} instance. * * @param {KVManagerConfig} config - Indicates the KVStore configuration information, - * including the user information and package name. + * including the package name and context. * @param {AsyncCallback} callback - {KVManager}: the {@code KVManager} instance. * @throws {BusinessError} 401 - if parameter check failed. * @syscap SystemCapability.DistributedDataManager.KVStore.Core @@ -1980,10 +1974,10 @@ declare namespace distributedKVStore { * Creates a {@link KVManager} instance based on the configuration information. * *

You must pass {@link KVManagerConfig} to provide configuration information - * for creating the {@link KVManager} instance. + * to create a {@link KVManager} instance. * * @param {KVManagerConfig} config - Indicates the KVStore configuration information, - * including the user information and package name. + * including the package name and context. * @returns {Promise} {KVManager}: the {@code KVManager} instance. * @throws {BusinessError} 401 - if parameter check failed. * @syscap SystemCapability.DistributedDataManager.KVStore.Core @@ -1994,7 +1988,6 @@ declare namespace distributedKVStore { /** * Provides interfaces to manage a {@code SingleKVStore} database, including obtaining, closing, and deleting the {@code SingleKVStore}. * - * @version 1 * @syscap SystemCapability.DistributedDataManager.KVStore.Core * @since 9 */ @@ -2039,7 +2032,7 @@ declare namespace distributedKVStore { * *

The KVStore database to close must be an object created by using the {@code getKVStore} method. Before using this * method, release the resources created for the database, for example, {@code KVStoreResultSet} for KVStore, otherwise - * closing the database will fail. If you are attempting to close a database that is already closed, an error will be returned. + * closing the database will fail. * * @param {string} appId - Identifies the application that the database belong to. * @param {string} storeId - Identifies the KVStore database to close. @@ -2058,7 +2051,7 @@ declare namespace distributedKVStore { * *

The KVStore database to close must be an object created by using the {@code getKVStore} method. Before using this * method, release the resources created for the database, for example, {@code KVStoreResultSet} for KVStore, otherwise - * closing the database will fail. If you are attempting to close a database that is already closed, an error will be returned. + * closing the database will fail. * * @param {string} appId - Identifies the application that the database belong to. * @param {string} storeId - Identifies the KVStore database to close. @@ -2130,7 +2123,7 @@ declare namespace distributedKVStore { getAllKVStoreId(appId: string): Promise; /** - * register DeathCallback to get notification when service died. + * Register a death callback to get notification when service died. * * @param {Callback} deathCallback - the service died callback. * @syscap SystemCapability.DistributedDataManager.KVStore.DistributedKVStore @@ -2140,7 +2133,7 @@ declare namespace distributedKVStore { on(event: 'distributedDataServiceDie', deathCallback: Callback): void; /** - * unRegister DeathCallback and can not receive service died notification. + * Unregister the death callback and can not receive service died notification any more. * * @param {Callback} deathCallback - the service died callback which has been registered. * @throws {BusinessError} 401 - if parameter check failed.