{
  "type": "Program",
  "statements": [
    {
      "type": "VariableDeclaration",
      "declarations": [
        {
          "type": "VariableDeclarator",
          "id": {
            "type": "Identifier",
            "name": "a",
            "typeAnnotation": {
              "type": "TSTupleType",
              "elementTypes": [],
              "loc": {
                "start": {
                  "line": 17,
                  "column": 8
                },
                "end": {
                  "line": 17,
                  "column": 10
                }
              }
            },
            "decorators": [],
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              "start": {
                "line": 17,
                "column": 5
              },
              "end": {
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                "column": 6
              }
            }
          },
          "init": null,
          "loc": {
            "start": {
              "line": 17,
              "column": 5
            },
            "end": {
              "line": 17,
              "column": 6
            }
          }
        }
      ],
      "kind": "var",
      "loc": {
        "start": {
          "line": 17,
          "column": 1
        },
        "end": {
          "line": 17,
          "column": 11
        }
      }
    },
    {
      "type": "VariableDeclaration",
      "declarations": [
        {
          "type": "VariableDeclarator",
          "id": {
            "type": "Identifier",
            "name": "b",
            "typeAnnotation": {
              "type": "TSTupleType",
              "elementTypes": [
                {
                  "type": "TSTupleType",
                  "elementTypes": [],
                  "loc": {
                    "start": {
                      "line": 18,
                      "column": 9
                    },
                    "end": {
                      "line": 18,
                      "column": 12
                    }
                  }
                }
              ],
              "loc": {
                "start": {
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                  "column": 8
                },
                "end": {
                  "line": 18,
                  "column": 12
                }
              }
            },
            "decorators": [],
            "loc": {
              "start": {
                "line": 18,
                "column": 5
              },
              "end": {
                "line": 18,
                "column": 6
              }
            }
          },
          "init": null,
          "loc": {
            "start": {
              "line": 18,
              "column": 5
            },
            "end": {
              "line": 18,
              "column": 6
            }
          }
        }
      ],
      "kind": "var",
      "loc": {
        "start": {
          "line": 18,
          "column": 1
        },
        "end": {
          "line": 18,
          "column": 13
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "expression": {
        "type": "AssignmentExpression",
        "operator": "=",
        "left": {
          "type": "Identifier",
          "name": "a",
          "decorators": [],
          "loc": {
            "start": {
              "line": 19,
              "column": 1
            },
            "end": {
              "line": 19,
              "column": 2
            }
          }
        },
        "right": {
          "type": "Identifier",
          "name": "b",
          "decorators": [],
          "loc": {
            "start": {
              "line": 19,
              "column": 5
            },
            "end": {
              "line": 19,
              "column": 6
            }
          }
        },
        "loc": {
          "start": {
            "line": 19,
            "column": 1
          },
          "end": {
            "line": 19,
            "column": 6
          }
        }
      },
      "loc": {
        "start": {
          "line": 19,
          "column": 1
        },
        "end": {
          "line": 19,
          "column": 7
        }
      }
    }
  ],
  "loc": {
    "start": {
      "line": 1,
      "column": 1
    },
    "end": {
      "line": 19,
      "column": 7
    }
  }
}
TypeError: Type '[[]]' is not assignable to type '[]'. [tupleAssignability11.ts:19:1]