{
  "type": "Script",
  "span": {
    "start": 17,
    "end": 879,
    "ctxt": 0
  },
  "body": [
    {
      "type": "TsInterfaceDeclaration",
      "span": {
        "start": 17,
        "end": 79,
        "ctxt": 0
      },
      "id": {
        "type": "Identifier",
        "span": {
          "start": 27,
          "end": 28,
          "ctxt": 0
        },
        "value": "X",
        "optional": false
      },
      "declare": false,
      "typeParams": null,
      "extends": [],
      "body": {
        "type": "TsInterfaceBody",
        "span": {
          "start": 29,
          "end": 79,
          "ctxt": 0
        },
        "body": [
          {
            "type": "TsMethodSignature",
            "span": {
              "start": 35,
              "end": 77,
              "ctxt": 0
            },
            "readonly": false,
            "key": {
              "type": "Identifier",
              "span": {
                "start": 35,
                "end": 38,
                "ctxt": 0
              },
              "value": "foo",
              "optional": false
            },
            "computed": false,
            "optional": false,
            "params": [
              {
                "type": "Identifier",
                "span": {
                  "start": 39,
                  "end": 48,
                  "ctxt": 0
                },
                "value": "x",
                "optional": false,
                "typeAnnotation": {
                  "type": "TsTypeAnnotation",
                  "span": {
                    "start": 40,
                    "end": 48,
                    "ctxt": 0
                  },
                  "typeAnnotation": {
                    "type": "TsKeywordType",
                    "span": {
                      "start": 42,
                      "end": 48,
                      "ctxt": 0
                    },
                    "kind": "number"
                  }
                }
              },
              {
                "type": "Identifier",
                "span": {
                  "start": 50,
                  "end": 59,
                  "ctxt": 0
                },
                "value": "y",
                "optional": false,
                "typeAnnotation": {
                  "type": "TsTypeAnnotation",
                  "span": {
                    "start": 51,
                    "end": 59,
                    "ctxt": 0
                  },
                  "typeAnnotation": {
                    "type": "TsKeywordType",
                    "span": {
                      "start": 53,
                      "end": 59,
                      "ctxt": 0
                    },
                    "kind": "number"
                  }
                }
              },
              {
                "type": "RestElement",
                "span": {
                  "start": 61,
                  "end": 75,
                  "ctxt": 0
                },
                "rest": {
                  "start": 61,
                  "end": 64,
                  "ctxt": 0
                },
                "argument": {
                  "type": "Identifier",
                  "span": {
                    "start": 64,
                    "end": 65,
                    "ctxt": 0
                  },
                  "value": "z",
                  "optional": false,
                  "typeAnnotation": null
                },
                "typeAnnotation": {
                  "type": "TsTypeAnnotation",
                  "span": {
                    "start": 65,
                    "end": 75,
                    "ctxt": 0
                  },
                  "typeAnnotation": {
                    "type": "TsArrayType",
                    "span": {
                      "start": 67,
                      "end": 75,
                      "ctxt": 0
                    },
                    "elemType": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 67,
                        "end": 73,
                        "ctxt": 0
                      },
                      "kind": "string"
                    }
                  }
                }
              }
            ],
            "typeAnn": null,
            "typeParams": null
          }
        ]
      }
    },
    {
      "type": "FunctionDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 90,
          "end": 93,
          "ctxt": 0
        },
        "value": "foo",
        "optional": false
      },
      "declare": false,
      "params": [
        {
          "type": "Parameter",
          "span": {
            "start": 94,
            "end": 103,
            "ctxt": 0
          },
          "decorators": [],
          "pat": {
            "type": "Identifier",
            "span": {
              "start": 94,
              "end": 103,
              "ctxt": 0
            },
            "value": "x",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 95,
                "end": 103,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 97,
                  "end": 103,
                  "ctxt": 0
                },
                "kind": "number"
              }
            }
          }
        },
        {
          "type": "Parameter",
          "span": {
            "start": 105,
            "end": 114,
            "ctxt": 0
          },
          "decorators": [],
          "pat": {
            "type": "Identifier",
            "span": {
              "start": 105,
              "end": 114,
              "ctxt": 0
            },
            "value": "y",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 106,
                "end": 114,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 108,
                  "end": 114,
                  "ctxt": 0
                },
                "kind": "number"
              }
            }
          }
        },
        {
          "type": "Parameter",
          "span": {
            "start": 116,
            "end": 130,
            "ctxt": 0
          },
          "decorators": [],
          "pat": {
            "type": "RestElement",
            "span": {
              "start": 116,
              "end": 130,
              "ctxt": 0
            },
            "rest": {
              "start": 116,
              "end": 119,
              "ctxt": 0
            },
            "argument": {
              "type": "Identifier",
              "span": {
                "start": 119,
                "end": 120,
                "ctxt": 0
              },
              "value": "z",
              "optional": false,
              "typeAnnotation": null
            },
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 120,
                "end": 130,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsArrayType",
                "span": {
                  "start": 122,
                  "end": 130,
                  "ctxt": 0
                },
                "elemType": {
                  "type": "TsKeywordType",
                  "span": {
                    "start": 122,
                    "end": 128,
                    "ctxt": 0
                  },
                  "kind": "string"
                }
              }
            }
          }
        }
      ],
      "decorators": [],
      "span": {
        "start": 81,
        "end": 135,
        "ctxt": 0
      },
      "body": {
        "type": "BlockStatement",
        "span": {
          "start": 132,
          "end": 135,
          "ctxt": 0
        },
        "stmts": []
      },
      "generator": false,
      "async": false,
      "typeParameters": null,
      "returnType": null
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 137,
        "end": 153,
        "ctxt": 0
      },
      "kind": "var",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 141,
            "end": 152,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 141,
              "end": 142,
              "ctxt": 0
            },
            "value": "a",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 142,
                "end": 152,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsArrayType",
                "span": {
                  "start": 144,
                  "end": 152,
                  "ctxt": 0
                },
                "elemType": {
                  "type": "TsKeywordType",
                  "span": {
                    "start": 144,
                    "end": 150,
                    "ctxt": 0
                  },
                  "kind": "string"
                }
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 154,
        "end": 170,
        "ctxt": 0
      },
      "kind": "var",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 158,
            "end": 169,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 158,
              "end": 159,
              "ctxt": 0
            },
            "value": "z",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 159,
                "end": 169,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsArrayType",
                "span": {
                  "start": 161,
                  "end": 169,
                  "ctxt": 0
                },
                "elemType": {
                  "type": "TsKeywordType",
                  "span": {
                    "start": 161,
                    "end": 167,
                    "ctxt": 0
                  },
                  "kind": "number"
                }
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 171,
        "end": 182,
        "ctxt": 0
      },
      "kind": "var",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 175,
            "end": 181,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 175,
              "end": 178,
              "ctxt": 0
            },
            "value": "obj",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 178,
                "end": 181,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeReference",
                "span": {
                  "start": 180,
                  "end": 181,
                  "ctxt": 0
                },
                "typeName": {
                  "type": "Identifier",
                  "span": {
                    "start": 180,
                    "end": 181,
                    "ctxt": 0
                  },
                  "value": "X",
                  "optional": false
                },
                "typeParams": null
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 183,
        "end": 195,
        "ctxt": 0
      },
      "kind": "var",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 187,
            "end": 194,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 187,
              "end": 189,
              "ctxt": 0
            },
            "value": "xa",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 189,
                "end": 194,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsArrayType",
                "span": {
                  "start": 191,
                  "end": 194,
                  "ctxt": 0
                },
                "elemType": {
                  "type": "TsTypeReference",
                  "span": {
                    "start": 191,
                    "end": 192,
                    "ctxt": 0
                  },
                  "typeName": {
                    "type": "Identifier",
                    "span": {
                      "start": 191,
                      "end": 192,
                      "ctxt": 0
                    },
                    "value": "X",
                    "optional": false
                  },
                  "typeParams": null
                }
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 197,
        "end": 214,
        "ctxt": 0
      },
      "expression": {
        "type": "CallExpression",
        "span": {
          "start": 197,
          "end": 213,
          "ctxt": 0
        },
        "callee": {
          "type": "Identifier",
          "span": {
            "start": 197,
            "end": 200,
            "ctxt": 0
          },
          "value": "foo",
          "optional": false
        },
        "arguments": [
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 201,
                "end": 202,
                "ctxt": 0
              },
              "value": 1.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 204,
                "end": 205,
                "ctxt": 0
              },
              "value": 2.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "StringLiteral",
              "span": {
                "start": 207,
                "end": 212,
                "ctxt": 0
              },
              "value": "abc",
              "hasEscape": false,
              "kind": {
                "type": "normal",
                "containsQuote": true
              }
            }
          }
        ],
        "typeArguments": null
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 215,
        "end": 231,
        "ctxt": 0
      },
      "expression": {
        "type": "CallExpression",
        "span": {
          "start": 215,
          "end": 230,
          "ctxt": 0
        },
        "callee": {
          "type": "Identifier",
          "span": {
            "start": 215,
            "end": 218,
            "ctxt": 0
          },
          "value": "foo",
          "optional": false
        },
        "arguments": [
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 219,
                "end": 220,
                "ctxt": 0
              },
              "value": 1.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 222,
                "end": 223,
                "ctxt": 0
              },
              "value": 2.0
            }
          },
          {
            "spread": {
              "start": 225,
              "end": 228,
              "ctxt": 0
            },
            "expression": {
              "type": "Identifier",
              "span": {
                "start": 228,
                "end": 229,
                "ctxt": 0
              },
              "value": "a",
              "optional": false
            }
          }
        ],
        "typeArguments": null
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 232,
        "end": 255,
        "ctxt": 0
      },
      "expression": {
        "type": "CallExpression",
        "span": {
          "start": 232,
          "end": 254,
          "ctxt": 0
        },
        "callee": {
          "type": "Identifier",
          "span": {
            "start": 232,
            "end": 235,
            "ctxt": 0
          },
          "value": "foo",
          "optional": false
        },
        "arguments": [
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 236,
                "end": 237,
                "ctxt": 0
              },
              "value": 1.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 239,
                "end": 240,
                "ctxt": 0
              },
              "value": 2.0
            }
          },
          {
            "spread": {
              "start": 242,
              "end": 245,
              "ctxt": 0
            },
            "expression": {
              "type": "Identifier",
              "span": {
                "start": 245,
                "end": 246,
                "ctxt": 0
              },
              "value": "a",
              "optional": false
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "StringLiteral",
              "span": {
                "start": 248,
                "end": 253,
                "ctxt": 0
              },
              "value": "abc",
              "hasEscape": false,
              "kind": {
                "type": "normal",
                "containsQuote": true
              }
            }
          }
        ],
        "typeArguments": null
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 257,
        "end": 278,
        "ctxt": 0
      },
      "expression": {
        "type": "CallExpression",
        "span": {
          "start": 257,
          "end": 277,
          "ctxt": 0
        },
        "callee": {
          "type": "MemberExpression",
          "span": {
            "start": 257,
            "end": 264,
            "ctxt": 0
          },
          "object": {
            "type": "Identifier",
            "span": {
              "start": 257,
              "end": 260,
              "ctxt": 0
            },
            "value": "obj",
            "optional": false
          },
          "property": {
            "type": "Identifier",
            "span": {
              "start": 261,
              "end": 264,
              "ctxt": 0
            },
            "value": "foo",
            "optional": false
          }
        },
        "arguments": [
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 265,
                "end": 266,
                "ctxt": 0
              },
              "value": 1.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 268,
                "end": 269,
                "ctxt": 0
              },
              "value": 2.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "StringLiteral",
              "span": {
                "start": 271,
                "end": 276,
                "ctxt": 0
              },
              "value": "abc",
              "hasEscape": false,
              "kind": {
                "type": "normal",
                "containsQuote": true
              }
            }
          }
        ],
        "typeArguments": null
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 279,
        "end": 299,
        "ctxt": 0
      },
      "expression": {
        "type": "CallExpression",
        "span": {
          "start": 279,
          "end": 298,
          "ctxt": 0
        },
        "callee": {
          "type": "MemberExpression",
          "span": {
            "start": 279,
            "end": 286,
            "ctxt": 0
          },
          "object": {
            "type": "Identifier",
            "span": {
              "start": 279,
              "end": 282,
              "ctxt": 0
            },
            "value": "obj",
            "optional": false
          },
          "property": {
            "type": "Identifier",
            "span": {
              "start": 283,
              "end": 286,
              "ctxt": 0
            },
            "value": "foo",
            "optional": false
          }
        },
        "arguments": [
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 287,
                "end": 288,
                "ctxt": 0
              },
              "value": 1.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 290,
                "end": 291,
                "ctxt": 0
              },
              "value": 2.0
            }
          },
          {
            "spread": {
              "start": 293,
              "end": 296,
              "ctxt": 0
            },
            "expression": {
              "type": "Identifier",
              "span": {
                "start": 296,
                "end": 297,
                "ctxt": 0
              },
              "value": "a",
              "optional": false
            }
          }
        ],
        "typeArguments": null
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 300,
        "end": 327,
        "ctxt": 0
      },
      "expression": {
        "type": "CallExpression",
        "span": {
          "start": 300,
          "end": 326,
          "ctxt": 0
        },
        "callee": {
          "type": "MemberExpression",
          "span": {
            "start": 300,
            "end": 307,
            "ctxt": 0
          },
          "object": {
            "type": "Identifier",
            "span": {
              "start": 300,
              "end": 303,
              "ctxt": 0
            },
            "value": "obj",
            "optional": false
          },
          "property": {
            "type": "Identifier",
            "span": {
              "start": 304,
              "end": 307,
              "ctxt": 0
            },
            "value": "foo",
            "optional": false
          }
        },
        "arguments": [
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 308,
                "end": 309,
                "ctxt": 0
              },
              "value": 1.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 311,
                "end": 312,
                "ctxt": 0
              },
              "value": 2.0
            }
          },
          {
            "spread": {
              "start": 314,
              "end": 317,
              "ctxt": 0
            },
            "expression": {
              "type": "Identifier",
              "span": {
                "start": 317,
                "end": 318,
                "ctxt": 0
              },
              "value": "a",
              "optional": false
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "StringLiteral",
              "span": {
                "start": 320,
                "end": 325,
                "ctxt": 0
              },
              "value": "abc",
              "hasEscape": false,
              "kind": {
                "type": "normal",
                "containsQuote": true
              }
            }
          }
        ],
        "typeArguments": null
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 329,
        "end": 352,
        "ctxt": 0
      },
      "expression": {
        "type": "CallExpression",
        "span": {
          "start": 329,
          "end": 351,
          "ctxt": 0
        },
        "callee": {
          "type": "ParenthesisExpression",
          "span": {
            "start": 329,
            "end": 338,
            "ctxt": 0
          },
          "expression": {
            "type": "MemberExpression",
            "span": {
              "start": 330,
              "end": 337,
              "ctxt": 0
            },
            "object": {
              "type": "Identifier",
              "span": {
                "start": 330,
                "end": 333,
                "ctxt": 0
              },
              "value": "obj",
              "optional": false
            },
            "property": {
              "type": "Identifier",
              "span": {
                "start": 334,
                "end": 337,
                "ctxt": 0
              },
              "value": "foo",
              "optional": false
            }
          }
        },
        "arguments": [
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 339,
                "end": 340,
                "ctxt": 0
              },
              "value": 1.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 342,
                "end": 343,
                "ctxt": 0
              },
              "value": 2.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "StringLiteral",
              "span": {
                "start": 345,
                "end": 350,
                "ctxt": 0
              },
              "value": "abc",
              "hasEscape": false,
              "kind": {
                "type": "normal",
                "containsQuote": true
              }
            }
          }
        ],
        "typeArguments": null
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 353,
        "end": 375,
        "ctxt": 0
      },
      "expression": {
        "type": "CallExpression",
        "span": {
          "start": 353,
          "end": 374,
          "ctxt": 0
        },
        "callee": {
          "type": "ParenthesisExpression",
          "span": {
            "start": 353,
            "end": 362,
            "ctxt": 0
          },
          "expression": {
            "type": "MemberExpression",
            "span": {
              "start": 354,
              "end": 361,
              "ctxt": 0
            },
            "object": {
              "type": "Identifier",
              "span": {
                "start": 354,
                "end": 357,
                "ctxt": 0
              },
              "value": "obj",
              "optional": false
            },
            "property": {
              "type": "Identifier",
              "span": {
                "start": 358,
                "end": 361,
                "ctxt": 0
              },
              "value": "foo",
              "optional": false
            }
          }
        },
        "arguments": [
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 363,
                "end": 364,
                "ctxt": 0
              },
              "value": 1.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 366,
                "end": 367,
                "ctxt": 0
              },
              "value": 2.0
            }
          },
          {
            "spread": {
              "start": 369,
              "end": 372,
              "ctxt": 0
            },
            "expression": {
              "type": "Identifier",
              "span": {
                "start": 372,
                "end": 373,
                "ctxt": 0
              },
              "value": "a",
              "optional": false
            }
          }
        ],
        "typeArguments": null
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 376,
        "end": 405,
        "ctxt": 0
      },
      "expression": {
        "type": "CallExpression",
        "span": {
          "start": 376,
          "end": 404,
          "ctxt": 0
        },
        "callee": {
          "type": "ParenthesisExpression",
          "span": {
            "start": 376,
            "end": 385,
            "ctxt": 0
          },
          "expression": {
            "type": "MemberExpression",
            "span": {
              "start": 377,
              "end": 384,
              "ctxt": 0
            },
            "object": {
              "type": "Identifier",
              "span": {
                "start": 377,
                "end": 380,
                "ctxt": 0
              },
              "value": "obj",
              "optional": false
            },
            "property": {
              "type": "Identifier",
              "span": {
                "start": 381,
                "end": 384,
                "ctxt": 0
              },
              "value": "foo",
              "optional": false
            }
          }
        },
        "arguments": [
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 386,
                "end": 387,
                "ctxt": 0
              },
              "value": 1.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 389,
                "end": 390,
                "ctxt": 0
              },
              "value": 2.0
            }
          },
          {
            "spread": {
              "start": 392,
              "end": 395,
              "ctxt": 0
            },
            "expression": {
              "type": "Identifier",
              "span": {
                "start": 395,
                "end": 396,
                "ctxt": 0
              },
              "value": "a",
              "optional": false
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "StringLiteral",
              "span": {
                "start": 398,
                "end": 403,
                "ctxt": 0
              },
              "value": "abc",
              "hasEscape": false,
              "kind": {
                "type": "normal",
                "containsQuote": true
              }
            }
          }
        ],
        "typeArguments": null
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 407,
        "end": 430,
        "ctxt": 0
      },
      "expression": {
        "type": "CallExpression",
        "span": {
          "start": 407,
          "end": 429,
          "ctxt": 0
        },
        "callee": {
          "type": "MemberExpression",
          "span": {
            "start": 407,
            "end": 416,
            "ctxt": 0
          },
          "object": {
            "type": "MemberExpression",
            "span": {
              "start": 407,
              "end": 412,
              "ctxt": 0
            },
            "object": {
              "type": "Identifier",
              "span": {
                "start": 407,
                "end": 409,
                "ctxt": 0
              },
              "value": "xa",
              "optional": false
            },
            "property": {
              "type": "Computed",
              "span": {
                "start": 409,
                "end": 412,
                "ctxt": 0
              },
              "expression": {
                "type": "NumericLiteral",
                "span": {
                  "start": 410,
                  "end": 411,
                  "ctxt": 0
                },
                "value": 1.0
              }
            }
          },
          "property": {
            "type": "Identifier",
            "span": {
              "start": 413,
              "end": 416,
              "ctxt": 0
            },
            "value": "foo",
            "optional": false
          }
        },
        "arguments": [
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 417,
                "end": 418,
                "ctxt": 0
              },
              "value": 1.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 420,
                "end": 421,
                "ctxt": 0
              },
              "value": 2.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "StringLiteral",
              "span": {
                "start": 423,
                "end": 428,
                "ctxt": 0
              },
              "value": "abc",
              "hasEscape": false,
              "kind": {
                "type": "normal",
                "containsQuote": true
              }
            }
          }
        ],
        "typeArguments": null
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 431,
        "end": 453,
        "ctxt": 0
      },
      "expression": {
        "type": "CallExpression",
        "span": {
          "start": 431,
          "end": 452,
          "ctxt": 0
        },
        "callee": {
          "type": "MemberExpression",
          "span": {
            "start": 431,
            "end": 440,
            "ctxt": 0
          },
          "object": {
            "type": "MemberExpression",
            "span": {
              "start": 431,
              "end": 436,
              "ctxt": 0
            },
            "object": {
              "type": "Identifier",
              "span": {
                "start": 431,
                "end": 433,
                "ctxt": 0
              },
              "value": "xa",
              "optional": false
            },
            "property": {
              "type": "Computed",
              "span": {
                "start": 433,
                "end": 436,
                "ctxt": 0
              },
              "expression": {
                "type": "NumericLiteral",
                "span": {
                  "start": 434,
                  "end": 435,
                  "ctxt": 0
                },
                "value": 1.0
              }
            }
          },
          "property": {
            "type": "Identifier",
            "span": {
              "start": 437,
              "end": 440,
              "ctxt": 0
            },
            "value": "foo",
            "optional": false
          }
        },
        "arguments": [
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 441,
                "end": 442,
                "ctxt": 0
              },
              "value": 1.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 444,
                "end": 445,
                "ctxt": 0
              },
              "value": 2.0
            }
          },
          {
            "spread": {
              "start": 447,
              "end": 450,
              "ctxt": 0
            },
            "expression": {
              "type": "Identifier",
              "span": {
                "start": 450,
                "end": 451,
                "ctxt": 0
              },
              "value": "a",
              "optional": false
            }
          }
        ],
        "typeArguments": null
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 454,
        "end": 483,
        "ctxt": 0
      },
      "expression": {
        "type": "CallExpression",
        "span": {
          "start": 454,
          "end": 482,
          "ctxt": 0
        },
        "callee": {
          "type": "MemberExpression",
          "span": {
            "start": 454,
            "end": 463,
            "ctxt": 0
          },
          "object": {
            "type": "MemberExpression",
            "span": {
              "start": 454,
              "end": 459,
              "ctxt": 0
            },
            "object": {
              "type": "Identifier",
              "span": {
                "start": 454,
                "end": 456,
                "ctxt": 0
              },
              "value": "xa",
              "optional": false
            },
            "property": {
              "type": "Computed",
              "span": {
                "start": 456,
                "end": 459,
                "ctxt": 0
              },
              "expression": {
                "type": "NumericLiteral",
                "span": {
                  "start": 457,
                  "end": 458,
                  "ctxt": 0
                },
                "value": 1.0
              }
            }
          },
          "property": {
            "type": "Identifier",
            "span": {
              "start": 460,
              "end": 463,
              "ctxt": 0
            },
            "value": "foo",
            "optional": false
          }
        },
        "arguments": [
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 464,
                "end": 465,
                "ctxt": 0
              },
              "value": 1.0
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "NumericLiteral",
              "span": {
                "start": 467,
                "end": 468,
                "ctxt": 0
              },
              "value": 2.0
            }
          },
          {
            "spread": {
              "start": 470,
              "end": 473,
              "ctxt": 0
            },
            "expression": {
              "type": "Identifier",
              "span": {
                "start": 473,
                "end": 474,
                "ctxt": 0
              },
              "value": "a",
              "optional": false
            }
          },
          {
            "spread": null,
            "expression": {
              "type": "StringLiteral",
              "span": {
                "start": 476,
                "end": 481,
                "ctxt": 0
              },
              "value": "abc",
              "hasEscape": false,
              "kind": {
                "type": "normal",
                "containsQuote": true
              }
            }
          }
        ],
        "typeArguments": null
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 485,
        "end": 525,
        "ctxt": 0
      },
      "expression": {
        "type": "CallExpression",
        "span": {
          "start": 485,
          "end": 524,
          "ctxt": 0
        },
        "callee": {
          "type": "ParenthesisExpression",
          "span": {
            "start": 485,
            "end": 506,
            "ctxt": 0
          },
          "expression": {
            "type": "TsTypeAssertion",
            "span": {
              "start": 486,
              "end": 505,
              "ctxt": 0
            },
            "expression": {
              "type": "MemberExpression",
              "span": {
                "start": 496,
                "end": 505,
                "ctxt": 0
              },
              "object": {
                "type": "MemberExpression",
                "span": {
                  "start": 496,
                  "end": 501,
                  "ctxt": 0
                },
                "object": {
                  "type": "Identifier",
                  "span": {
                    "start": 496,
                    "end": 498,
                    "ctxt": 0
                  },
                  "value": "xa",
                  "optional": false
                },
                "property": {
                  "type": "Computed",
                  "span": {
                    "start": 498,
                    "end": 501,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "NumericLiteral",
                    "span": {
                      "start": 499,
                      "end": 500,
                      "ctxt": 0
                    },
                    "value": 1.0
                  }
                }
              },
              "property": {
                "type": "Identifier",
                "span": {
                  "start": 502,
                  "end": 505,
                  "ctxt": 0
                },
                "value": "foo",
                "optional": false
              }
            },
            "typeAnnotation": {
              "type": "TsTypeReference",
              "span": {
                "start": 487,
                "end": 495,
                "ctxt": 0
              },
              "typeName": {
                "type": "Identifier",
                "span": {
                  "start": 487,
                  "end": 495,
                  "ctxt": 0
                },
                "value": "Function",
                "optional": false
              },
              "typeParams": null
            }
          }
        },
        "arguments": [
          {
            "spread": {
              "start": 507,
              "end": 510,
              "ctxt": 0
            },
            "expression": {
              "type": "ArrayExpression",
              "span": {
                "start": 510,
                "end": 523,
                "ctxt": 0
              },
              "elements": [
                {
                  "spread": null,
                  "expression": {
                    "type": "NumericLiteral",
                    "span": {
                      "start": 511,
                      "end": 512,
                      "ctxt": 0
                    },
                    "value": 1.0
                  }
                },
                {
                  "spread": null,
                  "expression": {
                    "type": "NumericLiteral",
                    "span": {
                      "start": 514,
                      "end": 515,
                      "ctxt": 0
                    },
                    "value": 2.0
                  }
                },
                {
                  "spread": null,
                  "expression": {
                    "type": "StringLiteral",
                    "span": {
                      "start": 517,
                      "end": 522,
                      "ctxt": 0
                    },
                    "value": "abc",
                    "hasEscape": false,
                    "kind": {
                      "type": "normal",
                      "containsQuote": true
                    }
                  }
                }
              ]
            }
          }
        ],
        "typeArguments": null
      }
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 533,
          "end": 534,
          "ctxt": 0
        },
        "value": "C",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 527,
        "end": 708,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "Constructor",
          "span": {
            "start": 541,
            "end": 652,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 541,
              "end": 552,
              "ctxt": 0
            },
            "value": "constructor",
            "optional": false
          },
          "params": [
            {
              "type": "Parameter",
              "span": {
                "start": 553,
                "end": 562,
                "ctxt": 0
              },
              "decorators": [],
              "pat": {
                "type": "Identifier",
                "span": {
                  "start": 553,
                  "end": 562,
                  "ctxt": 0
                },
                "value": "x",
                "optional": false,
                "typeAnnotation": {
                  "type": "TsTypeAnnotation",
                  "span": {
                    "start": 554,
                    "end": 562,
                    "ctxt": 0
                  },
                  "typeAnnotation": {
                    "type": "TsKeywordType",
                    "span": {
                      "start": 556,
                      "end": 562,
                      "ctxt": 0
                    },
                    "kind": "number"
                  }
                }
              }
            },
            {
              "type": "Parameter",
              "span": {
                "start": 564,
                "end": 573,
                "ctxt": 0
              },
              "decorators": [],
              "pat": {
                "type": "Identifier",
                "span": {
                  "start": 564,
                  "end": 573,
                  "ctxt": 0
                },
                "value": "y",
                "optional": false,
                "typeAnnotation": {
                  "type": "TsTypeAnnotation",
                  "span": {
                    "start": 565,
                    "end": 573,
                    "ctxt": 0
                  },
                  "typeAnnotation": {
                    "type": "TsKeywordType",
                    "span": {
                      "start": 567,
                      "end": 573,
                      "ctxt": 0
                    },
                    "kind": "number"
                  }
                }
              }
            },
            {
              "type": "Parameter",
              "span": {
                "start": 575,
                "end": 589,
                "ctxt": 0
              },
              "decorators": [],
              "pat": {
                "type": "RestElement",
                "span": {
                  "start": 575,
                  "end": 589,
                  "ctxt": 0
                },
                "rest": {
                  "start": 575,
                  "end": 578,
                  "ctxt": 0
                },
                "argument": {
                  "type": "Identifier",
                  "span": {
                    "start": 578,
                    "end": 579,
                    "ctxt": 0
                  },
                  "value": "z",
                  "optional": false,
                  "typeAnnotation": null
                },
                "typeAnnotation": {
                  "type": "TsTypeAnnotation",
                  "span": {
                    "start": 579,
                    "end": 589,
                    "ctxt": 0
                  },
                  "typeAnnotation": {
                    "type": "TsArrayType",
                    "span": {
                      "start": 581,
                      "end": 589,
                      "ctxt": 0
                    },
                    "elemType": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 581,
                        "end": 587,
                        "ctxt": 0
                      },
                      "kind": "string"
                    }
                  }
                }
              }
            }
          ],
          "body": {
            "type": "BlockStatement",
            "span": {
              "start": 591,
              "end": 652,
              "ctxt": 0
            },
            "stmts": [
              {
                "type": "ExpressionStatement",
                "span": {
                  "start": 601,
                  "end": 616,
                  "ctxt": 0
                },
                "expression": {
                  "type": "CallExpression",
                  "span": {
                    "start": 601,
                    "end": 615,
                    "ctxt": 0
                  },
                  "callee": {
                    "type": "MemberExpression",
                    "span": {
                      "start": 601,
                      "end": 609,
                      "ctxt": 0
                    },
                    "object": {
                      "type": "ThisExpression",
                      "span": {
                        "start": 601,
                        "end": 605,
                        "ctxt": 0
                      }
                    },
                    "property": {
                      "type": "Identifier",
                      "span": {
                        "start": 606,
                        "end": 609,
                        "ctxt": 0
                      },
                      "value": "foo",
                      "optional": false
                    }
                  },
                  "arguments": [
                    {
                      "spread": null,
                      "expression": {
                        "type": "Identifier",
                        "span": {
                          "start": 610,
                          "end": 611,
                          "ctxt": 0
                        },
                        "value": "x",
                        "optional": false
                      }
                    },
                    {
                      "spread": null,
                      "expression": {
                        "type": "Identifier",
                        "span": {
                          "start": 613,
                          "end": 614,
                          "ctxt": 0
                        },
                        "value": "y",
                        "optional": false
                      }
                    }
                  ],
                  "typeArguments": null
                }
              },
              {
                "type": "ExpressionStatement",
                "span": {
                  "start": 625,
                  "end": 646,
                  "ctxt": 0
                },
                "expression": {
                  "type": "CallExpression",
                  "span": {
                    "start": 625,
                    "end": 645,
                    "ctxt": 0
                  },
                  "callee": {
                    "type": "MemberExpression",
                    "span": {
                      "start": 625,
                      "end": 633,
                      "ctxt": 0
                    },
                    "object": {
                      "type": "ThisExpression",
                      "span": {
                        "start": 625,
                        "end": 629,
                        "ctxt": 0
                      }
                    },
                    "property": {
                      "type": "Identifier",
                      "span": {
                        "start": 630,
                        "end": 633,
                        "ctxt": 0
                      },
                      "value": "foo",
                      "optional": false
                    }
                  },
                  "arguments": [
                    {
                      "spread": null,
                      "expression": {
                        "type": "Identifier",
                        "span": {
                          "start": 634,
                          "end": 635,
                          "ctxt": 0
                        },
                        "value": "x",
                        "optional": false
                      }
                    },
                    {
                      "spread": null,
                      "expression": {
                        "type": "Identifier",
                        "span": {
                          "start": 637,
                          "end": 638,
                          "ctxt": 0
                        },
                        "value": "y",
                        "optional": false
                      }
                    },
                    {
                      "spread": {
                        "start": 640,
                        "end": 643,
                        "ctxt": 0
                      },
                      "expression": {
                        "type": "Identifier",
                        "span": {
                          "start": 643,
                          "end": 644,
                          "ctxt": 0
                        },
                        "value": "z",
                        "optional": false
                      }
                    }
                  ],
                  "typeArguments": null
                }
              }
            ]
          },
          "accessibility": null,
          "isOptional": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 657,
            "end": 706,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 657,
              "end": 660,
              "ctxt": 0
            },
            "value": "foo",
            "optional": false
          },
          "function": {
            "params": [
              {
                "type": "Parameter",
                "span": {
                  "start": 661,
                  "end": 670,
                  "ctxt": 0
                },
                "decorators": [],
                "pat": {
                  "type": "Identifier",
                  "span": {
                    "start": 661,
                    "end": 670,
                    "ctxt": 0
                  },
                  "value": "x",
                  "optional": false,
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 662,
                      "end": 670,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 664,
                        "end": 670,
                        "ctxt": 0
                      },
                      "kind": "number"
                    }
                  }
                }
              },
              {
                "type": "Parameter",
                "span": {
                  "start": 672,
                  "end": 681,
                  "ctxt": 0
                },
                "decorators": [],
                "pat": {
                  "type": "Identifier",
                  "span": {
                    "start": 672,
                    "end": 681,
                    "ctxt": 0
                  },
                  "value": "y",
                  "optional": false,
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 673,
                      "end": 681,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 675,
                        "end": 681,
                        "ctxt": 0
                      },
                      "kind": "number"
                    }
                  }
                }
              },
              {
                "type": "Parameter",
                "span": {
                  "start": 683,
                  "end": 697,
                  "ctxt": 0
                },
                "decorators": [],
                "pat": {
                  "type": "RestElement",
                  "span": {
                    "start": 683,
                    "end": 697,
                    "ctxt": 0
                  },
                  "rest": {
                    "start": 683,
                    "end": 686,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "Identifier",
                    "span": {
                      "start": 686,
                      "end": 687,
                      "ctxt": 0
                    },
                    "value": "z",
                    "optional": false,
                    "typeAnnotation": null
                  },
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 687,
                      "end": 697,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsArrayType",
                      "span": {
                        "start": 689,
                        "end": 697,
                        "ctxt": 0
                      },
                      "elemType": {
                        "type": "TsKeywordType",
                        "span": {
                          "start": 689,
                          "end": 695,
                          "ctxt": 0
                        },
                        "kind": "string"
                      }
                    }
                  }
                }
              }
            ],
            "decorators": [],
            "span": {
              "start": 657,
              "end": 706,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 699,
                "end": 706,
                "ctxt": 0
              },
              "stmts": []
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        }
      ],
      "superClass": null,
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": null,
      "implements": []
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 716,
          "end": 717,
          "ctxt": 0
        },
        "value": "D",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 710,
        "end": 879,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "Constructor",
          "span": {
            "start": 734,
            "end": 803,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 734,
              "end": 745,
              "ctxt": 0
            },
            "value": "constructor",
            "optional": false
          },
          "params": [],
          "body": {
            "type": "BlockStatement",
            "span": {
              "start": 748,
              "end": 803,
              "ctxt": 0
            },
            "stmts": [
              {
                "type": "ExpressionStatement",
                "span": {
                  "start": 758,
                  "end": 770,
                  "ctxt": 0
                },
                "expression": {
                  "type": "CallExpression",
                  "span": {
                    "start": 758,
                    "end": 769,
                    "ctxt": 0
                  },
                  "callee": {
                    "type": "Super",
                    "span": {
                      "start": 758,
                      "end": 763,
                      "ctxt": 0
                    }
                  },
                  "arguments": [
                    {
                      "spread": null,
                      "expression": {
                        "type": "NumericLiteral",
                        "span": {
                          "start": 764,
                          "end": 765,
                          "ctxt": 0
                        },
                        "value": 1.0
                      }
                    },
                    {
                      "spread": null,
                      "expression": {
                        "type": "NumericLiteral",
                        "span": {
                          "start": 767,
                          "end": 768,
                          "ctxt": 0
                        },
                        "value": 2.0
                      }
                    }
                  ],
                  "typeArguments": null
                }
              },
              {
                "type": "ExpressionStatement",
                "span": {
                  "start": 779,
                  "end": 797,
                  "ctxt": 0
                },
                "expression": {
                  "type": "CallExpression",
                  "span": {
                    "start": 779,
                    "end": 796,
                    "ctxt": 0
                  },
                  "callee": {
                    "type": "Super",
                    "span": {
                      "start": 779,
                      "end": 784,
                      "ctxt": 0
                    }
                  },
                  "arguments": [
                    {
                      "spread": null,
                      "expression": {
                        "type": "NumericLiteral",
                        "span": {
                          "start": 785,
                          "end": 786,
                          "ctxt": 0
                        },
                        "value": 1.0
                      }
                    },
                    {
                      "spread": null,
                      "expression": {
                        "type": "NumericLiteral",
                        "span": {
                          "start": 788,
                          "end": 789,
                          "ctxt": 0
                        },
                        "value": 2.0
                      }
                    },
                    {
                      "spread": {
                        "start": 791,
                        "end": 794,
                        "ctxt": 0
                      },
                      "expression": {
                        "type": "Identifier",
                        "span": {
                          "start": 794,
                          "end": 795,
                          "ctxt": 0
                        },
                        "value": "a",
                        "optional": false
                      }
                    }
                  ],
                  "typeArguments": null
                }
              }
            ]
          },
          "accessibility": null,
          "isOptional": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 808,
            "end": 877,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 808,
              "end": 811,
              "ctxt": 0
            },
            "value": "foo",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 808,
              "end": 877,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 814,
                "end": 877,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ExpressionStatement",
                  "span": {
                    "start": 824,
                    "end": 840,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "CallExpression",
                    "span": {
                      "start": 824,
                      "end": 839,
                      "ctxt": 0
                    },
                    "callee": {
                      "type": "SuperPropExpression",
                      "span": {
                        "start": 824,
                        "end": 833,
                        "ctxt": 0
                      },
                      "obj": {
                        "type": "Super",
                        "span": {
                          "start": 824,
                          "end": 829,
                          "ctxt": 0
                        }
                      },
                      "property": {
                        "type": "Identifier",
                        "span": {
                          "start": 830,
                          "end": 833,
                          "ctxt": 0
                        },
                        "value": "foo",
                        "optional": false
                      }
                    },
                    "arguments": [
                      {
                        "spread": null,
                        "expression": {
                          "type": "NumericLiteral",
                          "span": {
                            "start": 834,
                            "end": 835,
                            "ctxt": 0
                          },
                          "value": 1.0
                        }
                      },
                      {
                        "spread": null,
                        "expression": {
                          "type": "NumericLiteral",
                          "span": {
                            "start": 837,
                            "end": 838,
                            "ctxt": 0
                          },
                          "value": 2.0
                        }
                      }
                    ],
                    "typeArguments": null
                  }
                },
                {
                  "type": "ExpressionStatement",
                  "span": {
                    "start": 849,
                    "end": 871,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "CallExpression",
                    "span": {
                      "start": 849,
                      "end": 870,
                      "ctxt": 0
                    },
                    "callee": {
                      "type": "SuperPropExpression",
                      "span": {
                        "start": 849,
                        "end": 858,
                        "ctxt": 0
                      },
                      "obj": {
                        "type": "Super",
                        "span": {
                          "start": 849,
                          "end": 854,
                          "ctxt": 0
                        }
                      },
                      "property": {
                        "type": "Identifier",
                        "span": {
                          "start": 855,
                          "end": 858,
                          "ctxt": 0
                        },
                        "value": "foo",
                        "optional": false
                      }
                    },
                    "arguments": [
                      {
                        "spread": null,
                        "expression": {
                          "type": "NumericLiteral",
                          "span": {
                            "start": 859,
                            "end": 860,
                            "ctxt": 0
                          },
                          "value": 1.0
                        }
                      },
                      {
                        "spread": null,
                        "expression": {
                          "type": "NumericLiteral",
                          "span": {
                            "start": 862,
                            "end": 863,
                            "ctxt": 0
                          },
                          "value": 2.0
                        }
                      },
                      {
                        "spread": {
                          "start": 865,
                          "end": 868,
                          "ctxt": 0
                        },
                        "expression": {
                          "type": "Identifier",
                          "span": {
                            "start": 868,
                            "end": 869,
                            "ctxt": 0
                          },
                          "value": "a",
                          "optional": false
                        }
                      }
                    ],
                    "typeArguments": null
                  }
                }
              ]
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        }
      ],
      "superClass": {
        "type": "Identifier",
        "span": {
          "start": 726,
          "end": 727,
          "ctxt": 0
        },
        "value": "C",
        "optional": false
      },
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": null,
      "implements": []
    }
  ],
  "interpreter": null
}