{
  "type": "Program",
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      "declarations": [
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          "id": {
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            "typeAnnotation": {
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                },
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                }
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              },
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          },
          "init": null,
          "loc": {
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            },
            "end": {
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      ],
      "kind": "var",
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        },
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      }
    },
    {
      "type": "ExpressionStatement",
      "expression": {
        "type": "AssignmentExpression",
        "operator": "=",
        "left": {
          "type": "Identifier",
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          "decorators": [],
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            },
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        },
        "right": {
          "type": "BooleanLiteral",
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            }
          }
        },
        "loc": {
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          },
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        }
      },
      "loc": {
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        },
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    },
    {
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      "declarations": [
        {
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          "id": {
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            "typeAnnotation": {
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                },
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                }
              }
            },
            "decorators": [],
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              },
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              }
            }
          },
          "init": null,
          "loc": {
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            },
            "end": {
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            }
          }
        }
      ],
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        },
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        }
      }
    },
    {
      "type": "ExpressionStatement",
      "expression": {
        "type": "BinaryExpression",
        "operator": "instanceof",
        "left": {
          "type": "Identifier",
          "name": "a",
          "decorators": [],
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              "column": 1
            },
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            }
          }
        },
        "right": {
          "type": "Identifier",
          "name": "b",
          "decorators": [],
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            },
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            }
          }
        },
        "loc": {
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          },
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          }
        }
      },
      "loc": {
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  ],
  "loc": {
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    },
    "end": {
      "line": 5,
      "column": 1
    }
  }
}
TypeError: The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter. [instanceof_8.ts:4:1]
