swc/crates/swc_ecma_parser/tests/tsc/subtypingWithConstructSignaturesWithSpecializedSignatures.json

{
  "type": "Script",
  "span": {
    "start": 119,
    "end": 2009,
    "ctxt": 0
  },
  "body": [
    {
      "type": "TsModuleDeclaration",
      "span": {
        "start": 119,
        "end": 939,
        "ctxt": 0
      },
      "declare": false,
      "global": false,
      "id": {
        "type": "Identifier",
        "span": {
          "start": 126,
          "end": 139,
          "ctxt": 0
        },
        "value": "CallSignature",
        "optional": false
      },
      "body": {
        "type": "TsModuleBlock",
        "span": {
          "start": 140,
          "end": 939,
          "ctxt": 0
        },
        "body": [
          {
            "type": "TsInterfaceDeclaration",
            "span": {
              "start": 146,
              "end": 258,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 156,
                "end": 160,
                "ctxt": 0
              },
              "value": "Base",
              "optional": false
            },
            "declare": false,
            "typeParams": null,
            "extends": [],
            "body": {
              "type": "TsInterfaceBody",
              "span": {
                "start": 161,
                "end": 258,
                "ctxt": 0
              },
              "body": [
                {
                  "type": "TsConstructSignatureDeclaration",
                  "span": {
                    "start": 191,
                    "end": 210,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "Identifier",
                      "span": {
                        "start": 196,
                        "end": 202,
                        "ctxt": 0
                      },
                      "value": "x",
                      "optional": false,
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 197,
                          "end": 202,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsLiteralType",
                          "span": {
                            "start": 199,
                            "end": 202,
                            "ctxt": 0
                          },
                          "literal": {
                            "type": "StringLiteral",
                            "span": {
                              "start": 199,
                              "end": 202,
                              "ctxt": 0
                            },
                            "value": "a",
                            "raw": "'a'"
                          }
                        }
                      }
                    }
                  ],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 203,
                      "end": 209,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 205,
                        "end": 209,
                        "ctxt": 0
                      },
                      "kind": "void"
                    }
                  },
                  "typeParams": null
                },
                {
                  "type": "TsConstructSignatureDeclaration",
                  "span": {
                    "start": 219,
                    "end": 252,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "Identifier",
                      "span": {
                        "start": 224,
                        "end": 233,
                        "ctxt": 0
                      },
                      "value": "x",
                      "optional": false,
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 225,
                          "end": 233,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsKeywordType",
                          "span": {
                            "start": 227,
                            "end": 233,
                            "ctxt": 0
                          },
                          "kind": "string"
                        }
                      }
                    },
                    {
                      "type": "Identifier",
                      "span": {
                        "start": 235,
                        "end": 244,
                        "ctxt": 0
                      },
                      "value": "y",
                      "optional": false,
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 236,
                          "end": 244,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsKeywordType",
                          "span": {
                            "start": 238,
                            "end": 244,
                            "ctxt": 0
                          },
                          "kind": "number"
                        }
                      }
                    }
                  ],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 245,
                      "end": 251,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 247,
                        "end": 251,
                        "ctxt": 0
                      },
                      "kind": "void"
                    }
                  },
                  "typeParams": null
                }
              ]
            }
          },
          {
            "type": "TsInterfaceDeclaration",
            "span": {
              "start": 275,
              "end": 523,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 285,
                "end": 286,
                "ctxt": 0
              },
              "value": "I",
              "optional": false
            },
            "declare": false,
            "typeParams": null,
            "extends": [
              {
                "type": "TsExpressionWithTypeArguments",
                "span": {
                  "start": 295,
                  "end": 299,
                  "ctxt": 0
                },
                "expression": {
                  "type": "Identifier",
                  "span": {
                    "start": 295,
                    "end": 299,
                    "ctxt": 0
                  },
                  "value": "Base",
                  "optional": false
                },
                "typeArguments": null
              }
            ],
            "body": {
              "type": "TsInterfaceBody",
              "span": {
                "start": 300,
                "end": 523,
                "ctxt": 0
              },
              "body": [
                {
                  "type": "TsConstructSignatureDeclaration",
                  "span": {
                    "start": 325,
                    "end": 346,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "Identifier",
                      "span": {
                        "start": 330,
                        "end": 336,
                        "ctxt": 0
                      },
                      "value": "x",
                      "optional": false,
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 331,
                          "end": 336,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsLiteralType",
                          "span": {
                            "start": 333,
                            "end": 336,
                            "ctxt": 0
                          },
                          "literal": {
                            "type": "StringLiteral",
                            "span": {
                              "start": 333,
                              "end": 336,
                              "ctxt": 0
                            },
                            "value": "a",
                            "raw": "'a'"
                          }
                        }
                      }
                    }
                  ],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 337,
                      "end": 345,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 339,
                        "end": 345,
                        "ctxt": 0
                      },
                      "kind": "number"
                    }
                  },
                  "typeParams": null
                },
                {
                  "type": "TsConstructSignatureDeclaration",
                  "span": {
                    "start": 387,
                    "end": 422,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "Identifier",
                      "span": {
                        "start": 392,
                        "end": 401,
                        "ctxt": 0
                      },
                      "value": "x",
                      "optional": false,
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 393,
                          "end": 401,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsKeywordType",
                          "span": {
                            "start": 395,
                            "end": 401,
                            "ctxt": 0
                          },
                          "kind": "string"
                        }
                      }
                    },
                    {
                      "type": "Identifier",
                      "span": {
                        "start": 403,
                        "end": 412,
                        "ctxt": 0
                      },
                      "value": "y",
                      "optional": false,
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 404,
                          "end": 412,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsKeywordType",
                          "span": {
                            "start": 406,
                            "end": 412,
                            "ctxt": 0
                          },
                          "kind": "number"
                        }
                      }
                    }
                  ],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 413,
                      "end": 421,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 415,
                        "end": 421,
                        "ctxt": 0
                      },
                      "kind": "number"
                    }
                  },
                  "typeParams": null
                },
                {
                  "type": "TsConstructSignatureDeclaration",
                  "span": {
                    "start": 463,
                    "end": 485,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "Identifier",
                      "span": {
                        "start": 471,
                        "end": 475,
                        "ctxt": 0
                      },
                      "value": "x",
                      "optional": false,
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 472,
                          "end": 475,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsTypeReference",
                          "span": {
                            "start": 474,
                            "end": 475,
                            "ctxt": 0
                          },
                          "typeName": {
                            "type": "Identifier",
                            "span": {
                              "start": 474,
                              "end": 475,
                              "ctxt": 0
                            },
                            "value": "T",
                            "optional": false
                          },
                          "typeParams": null
                        }
                      }
                    }
                  ],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 476,
                      "end": 484,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 478,
                        "end": 484,
                        "ctxt": 0
                      },
                      "kind": "string"
                    }
                  },
                  "typeParams": {
                    "type": "TsTypeParameterDeclaration",
                    "span": {
                      "start": 467,
                      "end": 470,
                      "ctxt": 0
                    },
                    "parameters": [
                      {
                        "type": "TsTypeParameter",
                        "span": {
                          "start": 468,
                          "end": 469,
                          "ctxt": 0
                        },
                        "name": {
                          "type": "Identifier",
                          "span": {
                            "start": 468,
                            "end": 469,
                            "ctxt": 0
                          },
                          "value": "T",
                          "optional": false
                        },
                        "in": false,
                        "out": false,
                        "constraint": null,
                        "default": null
                      }
                    ]
                  }
                }
              ]
            }
          },
          {
            "type": "TsInterfaceDeclaration",
            "span": {
              "start": 532,
              "end": 638,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 542,
                "end": 547,
                "ctxt": 0
              },
              "value": "Base2",
              "optional": false
            },
            "declare": false,
            "typeParams": null,
            "extends": [],
            "body": {
              "type": "TsInterfaceBody",
              "span": {
                "start": 548,
                "end": 638,
                "ctxt": 0
              },
              "body": [
                {
                  "type": "TsConstructSignatureDeclaration",
                  "span": {
                    "start": 578,
                    "end": 599,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "Identifier",
                      "span": {
                        "start": 583,
                        "end": 589,
                        "ctxt": 0
                      },
                      "value": "x",
                      "optional": false,
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 584,
                          "end": 589,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsLiteralType",
                          "span": {
                            "start": 586,
                            "end": 589,
                            "ctxt": 0
                          },
                          "literal": {
                            "type": "StringLiteral",
                            "span": {
                              "start": 586,
                              "end": 589,
                              "ctxt": 0
                            },
                            "value": "a",
                            "raw": "'a'"
                          }
                        }
                      }
                    }
                  ],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 590,
                      "end": 598,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 592,
                        "end": 598,
                        "ctxt": 0
                      },
                      "kind": "number"
                    }
                  },
                  "typeParams": null
                },
                {
                  "type": "TsConstructSignatureDeclaration",
                  "span": {
                    "start": 608,
                    "end": 632,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "Identifier",
                      "span": {
                        "start": 613,
                        "end": 622,
                        "ctxt": 0
                      },
                      "value": "x",
                      "optional": false,
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 614,
                          "end": 622,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsKeywordType",
                          "span": {
                            "start": 616,
                            "end": 622,
                            "ctxt": 0
                          },
                          "kind": "string"
                        }
                      }
                    }
                  ],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 623,
                      "end": 631,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 625,
                        "end": 631,
                        "ctxt": 0
                      },
                      "kind": "number"
                    }
                  },
                  "typeParams": null
                }
              ]
            }
          },
          {
            "type": "TsInterfaceDeclaration",
            "span": {
              "start": 655,
              "end": 807,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 665,
                "end": 667,
                "ctxt": 0
              },
              "value": "I2",
              "optional": false
            },
            "declare": false,
            "typeParams": null,
            "extends": [
              {
                "type": "TsExpressionWithTypeArguments",
                "span": {
                  "start": 676,
                  "end": 681,
                  "ctxt": 0
                },
                "expression": {
                  "type": "Identifier",
                  "span": {
                    "start": 676,
                    "end": 681,
                    "ctxt": 0
                  },
                  "value": "Base2",
                  "optional": false
                },
                "typeArguments": null
              }
            ],
            "body": {
              "type": "TsInterfaceBody",
              "span": {
                "start": 682,
                "end": 807,
                "ctxt": 0
              },
              "body": [
                {
                  "type": "TsConstructSignatureDeclaration",
                  "span": {
                    "start": 707,
                    "end": 728,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "Identifier",
                      "span": {
                        "start": 712,
                        "end": 718,
                        "ctxt": 0
                      },
                      "value": "x",
                      "optional": false,
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 713,
                          "end": 718,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsLiteralType",
                          "span": {
                            "start": 715,
                            "end": 718,
                            "ctxt": 0
                          },
                          "literal": {
                            "type": "StringLiteral",
                            "span": {
                              "start": 715,
                              "end": 718,
                              "ctxt": 0
                            },
                            "value": "a",
                            "raw": "'a'"
                          }
                        }
                      }
                    }
                  ],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 719,
                      "end": 727,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 721,
                        "end": 727,
                        "ctxt": 0
                      },
                      "kind": "string"
                    }
                  },
                  "typeParams": null
                },
                {
                  "type": "TsConstructSignatureDeclaration",
                  "span": {
                    "start": 737,
                    "end": 761,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "Identifier",
                      "span": {
                        "start": 742,
                        "end": 751,
                        "ctxt": 0
                      },
                      "value": "x",
                      "optional": false,
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 743,
                          "end": 751,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsKeywordType",
                          "span": {
                            "start": 745,
                            "end": 751,
                            "ctxt": 0
                          },
                          "kind": "string"
                        }
                      }
                    }
                  ],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 752,
                      "end": 760,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 754,
                        "end": 760,
                        "ctxt": 0
                      },
                      "kind": "string"
                    }
                  },
                  "typeParams": null
                }
              ]
            }
          },
          {
            "type": "TsInterfaceDeclaration",
            "span": {
              "start": 824,
              "end": 937,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 834,
                "end": 836,
                "ctxt": 0
              },
              "value": "I3",
              "optional": false
            },
            "declare": false,
            "typeParams": null,
            "extends": [
              {
                "type": "TsExpressionWithTypeArguments",
                "span": {
                  "start": 845,
                  "end": 850,
                  "ctxt": 0
                },
                "expression": {
                  "type": "Identifier",
                  "span": {
                    "start": 845,
                    "end": 850,
                    "ctxt": 0
                  },
                  "value": "Base2",
                  "optional": false
                },
                "typeArguments": null
              }
            ],
            "body": {
              "type": "TsInterfaceBody",
              "span": {
                "start": 851,
                "end": 937,
                "ctxt": 0
              },
              "body": [
                {
                  "type": "TsConstructSignatureDeclaration",
                  "span": {
                    "start": 876,
                    "end": 898,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "Identifier",
                      "span": {
                        "start": 884,
                        "end": 888,
                        "ctxt": 0
                      },
                      "value": "x",
                      "optional": false,
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 885,
                          "end": 888,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsTypeReference",
                          "span": {
                            "start": 887,
                            "end": 888,
                            "ctxt": 0
                          },
                          "typeName": {
                            "type": "Identifier",
                            "span": {
                              "start": 887,
                              "end": 888,
                              "ctxt": 0
                            },
                            "value": "T",
                            "optional": false
                          },
                          "typeParams": null
                        }
                      }
                    }
                  ],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 889,
                      "end": 897,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 891,
                        "end": 897,
                        "ctxt": 0
                      },
                      "kind": "string"
                    }
                  },
                  "typeParams": {
                    "type": "TsTypeParameterDeclaration",
                    "span": {
                      "start": 880,
                      "end": 883,
                      "ctxt": 0
                    },
                    "parameters": [
                      {
                        "type": "TsTypeParameter",
                        "span": {
                          "start": 881,
                          "end": 882,
                          "ctxt": 0
                        },
                        "name": {
                          "type": "Identifier",
                          "span": {
                            "start": 881,
                            "end": 882,
                            "ctxt": 0
                          },
                          "value": "T",
                          "optional": false
                        },
                        "in": false,
                        "out": false,
                        "constraint": null,
                        "default": null
                      }
                    ]
                  }
                }
              ]
            }
          }
        ]
      }
    },
    {
      "type": "TsModuleDeclaration",
      "span": {
        "start": 941,
        "end": 2009,
        "ctxt": 0
      },
      "declare": false,
      "global": false,
      "id": {
        "type": "Identifier",
        "span": {
          "start": 948,
          "end": 971,
          "ctxt": 0
        },
        "value": "MemberWithCallSignature",
        "optional": false
      },
      "body": {
        "type": "TsModuleBlock",
        "span": {
          "start": 972,
          "end": 2009,
          "ctxt": 0
        },
        "body": [
          {
            "type": "TsInterfaceDeclaration",
            "span": {
              "start": 978,
              "end": 1258,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 988,
                "end": 992,
                "ctxt": 0
              },
              "value": "Base",
              "optional": false
            },
            "declare": false,
            "typeParams": null,
            "extends": [],
            "body": {
              "type": "TsInterfaceBody",
              "span": {
                "start": 993,
                "end": 1258,
                "ctxt": 0
              },
              "body": [
                {
                  "type": "TsPropertySignature",
                  "span": {
                    "start": 1023,
                    "end": 1104,
                    "ctxt": 0
                  },
                  "readonly": false,
                  "key": {
                    "type": "Identifier",
                    "span": {
                      "start": 1023,
                      "end": 1024,
                      "ctxt": 0
                    },
                    "value": "a",
                    "optional": false
                  },
                  "computed": false,
                  "optional": false,
                  "init": null,
                  "params": [],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 1024,
                      "end": 1104,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsTypeLiteral",
                      "span": {
                        "start": 1026,
                        "end": 1104,
                        "ctxt": 0
                      },
                      "members": [
                        {
                          "type": "TsConstructSignatureDeclaration",
                          "span": {
                            "start": 1040,
                            "end": 1059,
                            "ctxt": 0
                          },
                          "params": [
                            {
                              "type": "Identifier",
                              "span": {
                                "start": 1045,
                                "end": 1051,
                                "ctxt": 0
                              },
                              "value": "x",
                              "optional": false,
                              "typeAnnotation": {
                                "type": "TsTypeAnnotation",
                                "span": {
                                  "start": 1046,
                                  "end": 1051,
                                  "ctxt": 0
                                },
                                "typeAnnotation": {
                                  "type": "TsLiteralType",
                                  "span": {
                                    "start": 1048,
                                    "end": 1051,
                                    "ctxt": 0
                                  },
                                  "literal": {
                                    "type": "StringLiteral",
                                    "span": {
                                      "start": 1048,
                                      "end": 1051,
                                      "ctxt": 0
                                    },
                                    "value": "a",
                                    "raw": "'a'"
                                  }
                                }
                              }
                            }
                          ],
                          "typeAnnotation": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 1052,
                              "end": 1058,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsKeywordType",
                              "span": {
                                "start": 1054,
                                "end": 1058,
                                "ctxt": 0
                              },
                              "kind": "void"
                            }
                          },
                          "typeParams": null
                        },
                        {
                          "type": "TsConstructSignatureDeclaration",
                          "span": {
                            "start": 1072,
                            "end": 1094,
                            "ctxt": 0
                          },
                          "params": [
                            {
                              "type": "Identifier",
                              "span": {
                                "start": 1077,
                                "end": 1086,
                                "ctxt": 0
                              },
                              "value": "x",
                              "optional": false,
                              "typeAnnotation": {
                                "type": "TsTypeAnnotation",
                                "span": {
                                  "start": 1078,
                                  "end": 1086,
                                  "ctxt": 0
                                },
                                "typeAnnotation": {
                                  "type": "TsKeywordType",
                                  "span": {
                                    "start": 1080,
                                    "end": 1086,
                                    "ctxt": 0
                                  },
                                  "kind": "string"
                                }
                              }
                            }
                          ],
                          "typeAnnotation": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 1087,
                              "end": 1093,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsKeywordType",
                              "span": {
                                "start": 1089,
                                "end": 1093,
                                "ctxt": 0
                              },
                              "kind": "void"
                            }
                          },
                          "typeParams": null
                        }
                      ]
                    }
                  },
                  "typeParams": null
                },
                {
                  "type": "TsPropertySignature",
                  "span": {
                    "start": 1113,
                    "end": 1217,
                    "ctxt": 0
                  },
                  "readonly": false,
                  "key": {
                    "type": "Identifier",
                    "span": {
                      "start": 1113,
                      "end": 1115,
                      "ctxt": 0
                    },
                    "value": "a2",
                    "optional": false
                  },
                  "computed": false,
                  "optional": false,
                  "init": null,
                  "params": [],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 1115,
                      "end": 1217,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsTypeLiteral",
                      "span": {
                        "start": 1117,
                        "end": 1217,
                        "ctxt": 0
                      },
                      "members": [
                        {
                          "type": "TsConstructSignatureDeclaration",
                          "span": {
                            "start": 1131,
                            "end": 1161,
                            "ctxt": 0
                          },
                          "params": [
                            {
                              "type": "Identifier",
                              "span": {
                                "start": 1136,
                                "end": 1142,
                                "ctxt": 0
                              },
                              "value": "x",
                              "optional": false,
                              "typeAnnotation": {
                                "type": "TsTypeAnnotation",
                                "span": {
                                  "start": 1137,
                                  "end": 1142,
                                  "ctxt": 0
                                },
                                "typeAnnotation": {
                                  "type": "TsLiteralType",
                                  "span": {
                                    "start": 1139,
                                    "end": 1142,
                                    "ctxt": 0
                                  },
                                  "literal": {
                                    "type": "StringLiteral",
                                    "span": {
                                      "start": 1139,
                                      "end": 1142,
                                      "ctxt": 0
                                    },
                                    "value": "a",
                                    "raw": "'a'"
                                  }
                                }
                              }
                            },
                            {
                              "type": "Identifier",
                              "span": {
                                "start": 1144,
                                "end": 1153,
                                "ctxt": 0
                              },
                              "value": "y",
                              "optional": false,
                              "typeAnnotation": {
                                "type": "TsTypeAnnotation",
                                "span": {
                                  "start": 1145,
                                  "end": 1153,
                                  "ctxt": 0
                                },
                                "typeAnnotation": {
                                  "type": "TsKeywordType",
                                  "span": {
                                    "start": 1147,
                                    "end": 1153,
                                    "ctxt": 0
                                  },
                                  "kind": "number"
                                }
                              }
                            }
                          ],
                          "typeAnnotation": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 1154,
                              "end": 1160,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsKeywordType",
                              "span": {
                                "start": 1156,
                                "end": 1160,
                                "ctxt": 0
                              },
                              "kind": "void"
                            }
                          },
                          "typeParams": null
                        },
                        {
                          "type": "TsConstructSignatureDeclaration",
                          "span": {
                            "start": 1174,
                            "end": 1207,
                            "ctxt": 0
                          },
                          "params": [
                            {
                              "type": "Identifier",
                              "span": {
                                "start": 1179,
                                "end": 1188,
                                "ctxt": 0
                              },
                              "value": "x",
                              "optional": false,
                              "typeAnnotation": {
                                "type": "TsTypeAnnotation",
                                "span": {
                                  "start": 1180,
                                  "end": 1188,
                                  "ctxt": 0
                                },
                                "typeAnnotation": {
                                  "type": "TsKeywordType",
                                  "span": {
                                    "start": 1182,
                                    "end": 1188,
                                    "ctxt": 0
                                  },
                                  "kind": "string"
                                }
                              }
                            },
                            {
                              "type": "Identifier",
                              "span": {
                                "start": 1190,
                                "end": 1199,
                                "ctxt": 0
                              },
                              "value": "y",
                              "optional": false,
                              "typeAnnotation": {
                                "type": "TsTypeAnnotation",
                                "span": {
                                  "start": 1191,
                                  "end": 1199,
                                  "ctxt": 0
                                },
                                "typeAnnotation": {
                                  "type": "TsKeywordType",
                                  "span": {
                                    "start": 1193,
                                    "end": 1199,
                                    "ctxt": 0
                                  },
                                  "kind": "number"
                                }
                              }
                            }
                          ],
                          "typeAnnotation": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 1200,
                              "end": 1206,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsKeywordType",
                              "span": {
                                "start": 1202,
                                "end": 1206,
                                "ctxt": 0
                              },
                              "kind": "void"
                            }
                          },
                          "typeParams": null
                        }
                      ]
                    }
                  },
                  "typeParams": null
                },
                {
                  "type": "TsPropertySignature",
                  "span": {
                    "start": 1226,
                    "end": 1252,
                    "ctxt": 0
                  },
                  "readonly": false,
                  "key": {
                    "type": "Identifier",
                    "span": {
                      "start": 1226,
                      "end": 1228,
                      "ctxt": 0
                    },
                    "value": "a3",
                    "optional": false
                  },
                  "computed": false,
                  "optional": false,
                  "init": null,
                  "params": [],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 1228,
                      "end": 1251,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsConstructorType",
                      "span": {
                        "start": 1230,
                        "end": 1251,
                        "ctxt": 0
                      },
                      "params": [
                        {
                          "type": "Identifier",
                          "span": {
                            "start": 1238,
                            "end": 1242,
                            "ctxt": 0
                          },
                          "value": "x",
                          "optional": false,
                          "typeAnnotation": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 1239,
                              "end": 1242,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsTypeReference",
                              "span": {
                                "start": 1241,
                                "end": 1242,
                                "ctxt": 0
                              },
                              "typeName": {
                                "type": "Identifier",
                                "span": {
                                  "start": 1241,
                                  "end": 1242,
                                  "ctxt": 0
                                },
                                "value": "T",
                                "optional": false
                              },
                              "typeParams": null
                            }
                          }
                        }
                      ],
                      "typeParams": {
                        "type": "TsTypeParameterDeclaration",
                        "span": {
                          "start": 1234,
                          "end": 1237,
                          "ctxt": 0
                        },
                        "parameters": [
                          {
                            "type": "TsTypeParameter",
                            "span": {
                              "start": 1235,
                              "end": 1236,
                              "ctxt": 0
                            },
                            "name": {
                              "type": "Identifier",
                              "span": {
                                "start": 1235,
                                "end": 1236,
                                "ctxt": 0
                              },
                              "value": "T",
                              "optional": false
                            },
                            "in": false,
                            "out": false,
                            "constraint": null,
                            "default": null
                          }
                        ]
                      },
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 1244,
                          "end": 1251,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsKeywordType",
                          "span": {
                            "start": 1247,
                            "end": 1251,
                            "ctxt": 0
                          },
                          "kind": "void"
                        }
                      },
                      "isAbstract": false
                    }
                  },
                  "typeParams": null
                }
              ]
            }
          },
          {
            "type": "TsInterfaceDeclaration",
            "span": {
              "start": 1275,
              "end": 1545,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 1285,
                "end": 1286,
                "ctxt": 0
              },
              "value": "I",
              "optional": false
            },
            "declare": false,
            "typeParams": null,
            "extends": [
              {
                "type": "TsExpressionWithTypeArguments",
                "span": {
                  "start": 1295,
                  "end": 1299,
                  "ctxt": 0
                },
                "expression": {
                  "type": "Identifier",
                  "span": {
                    "start": 1295,
                    "end": 1299,
                    "ctxt": 0
                  },
                  "value": "Base",
                  "optional": false
                },
                "typeArguments": null
              }
            ],
            "body": {
              "type": "TsInterfaceBody",
              "span": {
                "start": 1300,
                "end": 1545,
                "ctxt": 0
              },
              "body": [
                {
                  "type": "TsPropertySignature",
                  "span": {
                    "start": 1325,
                    "end": 1354,
                    "ctxt": 0
                  },
                  "readonly": false,
                  "key": {
                    "type": "Identifier",
                    "span": {
                      "start": 1325,
                      "end": 1326,
                      "ctxt": 0
                    },
                    "value": "a",
                    "optional": false
                  },
                  "computed": false,
                  "optional": false,
                  "init": null,
                  "params": [],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 1326,
                      "end": 1353,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsConstructorType",
                      "span": {
                        "start": 1328,
                        "end": 1353,
                        "ctxt": 0
                      },
                      "params": [
                        {
                          "type": "Identifier",
                          "span": {
                            "start": 1333,
                            "end": 1342,
                            "ctxt": 0
                          },
                          "value": "x",
                          "optional": false,
                          "typeAnnotation": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 1334,
                              "end": 1342,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsKeywordType",
                              "span": {
                                "start": 1336,
                                "end": 1342,
                                "ctxt": 0
                              },
                              "kind": "string"
                            }
                          }
                        }
                      ],
                      "typeParams": null,
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 1344,
                          "end": 1353,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsKeywordType",
                          "span": {
                            "start": 1347,
                            "end": 1353,
                            "ctxt": 0
                          },
                          "kind": "number"
                        }
                      },
                      "isAbstract": false
                    }
                  },
                  "typeParams": null
                },
                {
                  "type": "TsPropertySignature",
                  "span": {
                    "start": 1395,
                    "end": 1438,
                    "ctxt": 0
                  },
                  "readonly": false,
                  "key": {
                    "type": "Identifier",
                    "span": {
                      "start": 1395,
                      "end": 1397,
                      "ctxt": 0
                    },
                    "value": "a2",
                    "optional": false
                  },
                  "computed": false,
                  "optional": false,
                  "init": null,
                  "params": [],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 1397,
                      "end": 1437,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsConstructorType",
                      "span": {
                        "start": 1399,
                        "end": 1437,
                        "ctxt": 0
                      },
                      "params": [
                        {
                          "type": "Identifier",
                          "span": {
                            "start": 1405,
                            "end": 1414,
                            "ctxt": 0
                          },
                          "value": "x",
                          "optional": false,
                          "typeAnnotation": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 1406,
                              "end": 1414,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsKeywordType",
                              "span": {
                                "start": 1408,
                                "end": 1414,
                                "ctxt": 0
                              },
                              "kind": "string"
                            }
                          }
                        },
                        {
                          "type": "Identifier",
                          "span": {
                            "start": 1416,
                            "end": 1425,
                            "ctxt": 0
                          },
                          "value": "y",
                          "optional": false,
                          "typeAnnotation": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 1417,
                              "end": 1425,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsKeywordType",
                              "span": {
                                "start": 1419,
                                "end": 1425,
                                "ctxt": 0
                              },
                              "kind": "number"
                            }
                          }
                        }
                      ],
                      "typeParams": null,
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 1427,
                          "end": 1437,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsKeywordType",
                          "span": {
                            "start": 1430,
                            "end": 1437,
                            "ctxt": 0
                          },
                          "kind": "boolean"
                        }
                      },
                      "isAbstract": false
                    }
                  },
                  "typeParams": null
                },
                {
                  "type": "TsPropertySignature",
                  "span": {
                    "start": 1479,
                    "end": 1507,
                    "ctxt": 0
                  },
                  "readonly": false,
                  "key": {
                    "type": "Identifier",
                    "span": {
                      "start": 1479,
                      "end": 1481,
                      "ctxt": 0
                    },
                    "value": "a3",
                    "optional": false
                  },
                  "computed": false,
                  "optional": false,
                  "init": null,
                  "params": [],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 1481,
                      "end": 1506,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsConstructorType",
                      "span": {
                        "start": 1483,
                        "end": 1506,
                        "ctxt": 0
                      },
                      "params": [
                        {
                          "type": "Identifier",
                          "span": {
                            "start": 1491,
                            "end": 1495,
                            "ctxt": 0
                          },
                          "value": "x",
                          "optional": false,
                          "typeAnnotation": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 1492,
                              "end": 1495,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsTypeReference",
                              "span": {
                                "start": 1494,
                                "end": 1495,
                                "ctxt": 0
                              },
                              "typeName": {
                                "type": "Identifier",
                                "span": {
                                  "start": 1494,
                                  "end": 1495,
                                  "ctxt": 0
                                },
                                "value": "T",
                                "optional": false
                              },
                              "typeParams": null
                            }
                          }
                        }
                      ],
                      "typeParams": {
                        "type": "TsTypeParameterDeclaration",
                        "span": {
                          "start": 1487,
                          "end": 1490,
                          "ctxt": 0
                        },
                        "parameters": [
                          {
                            "type": "TsTypeParameter",
                            "span": {
                              "start": 1488,
                              "end": 1489,
                              "ctxt": 0
                            },
                            "name": {
                              "type": "Identifier",
                              "span": {
                                "start": 1488,
                                "end": 1489,
                                "ctxt": 0
                              },
                              "value": "T",
                              "optional": false
                            },
                            "in": false,
                            "out": false,
                            "constraint": null,
                            "default": null
                          }
                        ]
                      },
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 1497,
                          "end": 1506,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsKeywordType",
                          "span": {
                            "start": 1500,
                            "end": 1506,
                            "ctxt": 0
                          },
                          "kind": "string"
                        }
                      },
                      "isAbstract": false
                    }
                  },
                  "typeParams": null
                }
              ]
            }
          },
          {
            "type": "TsInterfaceDeclaration",
            "span": {
              "start": 1551,
              "end": 1720,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 1561,
                "end": 1566,
                "ctxt": 0
              },
              "value": "Base2",
              "optional": false
            },
            "declare": false,
            "typeParams": null,
            "extends": [],
            "body": {
              "type": "TsInterfaceBody",
              "span": {
                "start": 1567,
                "end": 1720,
                "ctxt": 0
              },
              "body": [
                {
                  "type": "TsPropertySignature",
                  "span": {
                    "start": 1597,
                    "end": 1682,
                    "ctxt": 0
                  },
                  "readonly": false,
                  "key": {
                    "type": "Identifier",
                    "span": {
                      "start": 1597,
                      "end": 1598,
                      "ctxt": 0
                    },
                    "value": "a",
                    "optional": false
                  },
                  "computed": false,
                  "optional": false,
                  "init": null,
                  "params": [],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 1598,
                      "end": 1682,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsTypeLiteral",
                      "span": {
                        "start": 1600,
                        "end": 1682,
                        "ctxt": 0
                      },
                      "members": [
                        {
                          "type": "TsConstructSignatureDeclaration",
                          "span": {
                            "start": 1614,
                            "end": 1635,
                            "ctxt": 0
                          },
                          "params": [
                            {
                              "type": "Identifier",
                              "span": {
                                "start": 1619,
                                "end": 1625,
                                "ctxt": 0
                              },
                              "value": "x",
                              "optional": false,
                              "typeAnnotation": {
                                "type": "TsTypeAnnotation",
                                "span": {
                                  "start": 1620,
                                  "end": 1625,
                                  "ctxt": 0
                                },
                                "typeAnnotation": {
                                  "type": "TsLiteralType",
                                  "span": {
                                    "start": 1622,
                                    "end": 1625,
                                    "ctxt": 0
                                  },
                                  "literal": {
                                    "type": "StringLiteral",
                                    "span": {
                                      "start": 1622,
                                      "end": 1625,
                                      "ctxt": 0
                                    },
                                    "value": "a",
                                    "raw": "'a'"
                                  }
                                }
                              }
                            }
                          ],
                          "typeAnnotation": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 1626,
                              "end": 1634,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsKeywordType",
                              "span": {
                                "start": 1628,
                                "end": 1634,
                                "ctxt": 0
                              },
                              "kind": "number"
                            }
                          },
                          "typeParams": null
                        },
                        {
                          "type": "TsConstructSignatureDeclaration",
                          "span": {
                            "start": 1648,
                            "end": 1672,
                            "ctxt": 0
                          },
                          "params": [
                            {
                              "type": "Identifier",
                              "span": {
                                "start": 1653,
                                "end": 1662,
                                "ctxt": 0
                              },
                              "value": "x",
                              "optional": false,
                              "typeAnnotation": {
                                "type": "TsTypeAnnotation",
                                "span": {
                                  "start": 1654,
                                  "end": 1662,
                                  "ctxt": 0
                                },
                                "typeAnnotation": {
                                  "type": "TsKeywordType",
                                  "span": {
                                    "start": 1656,
                                    "end": 1662,
                                    "ctxt": 0
                                  },
                                  "kind": "string"
                                }
                              }
                            }
                          ],
                          "typeAnnotation": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 1663,
                              "end": 1671,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsKeywordType",
                              "span": {
                                "start": 1665,
                                "end": 1671,
                                "ctxt": 0
                              },
                              "kind": "number"
                            }
                          },
                          "typeParams": null
                        }
                      ]
                    }
                  },
                  "typeParams": null
                },
                {
                  "type": "TsPropertySignature",
                  "span": {
                    "start": 1691,
                    "end": 1714,
                    "ctxt": 0
                  },
                  "readonly": false,
                  "key": {
                    "type": "Identifier",
                    "span": {
                      "start": 1691,
                      "end": 1693,
                      "ctxt": 0
                    },
                    "value": "a2",
                    "optional": false
                  },
                  "computed": false,
                  "optional": false,
                  "init": null,
                  "params": [],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 1693,
                      "end": 1713,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsConstructorType",
                      "span": {
                        "start": 1695,
                        "end": 1713,
                        "ctxt": 0
                      },
                      "params": [
                        {
                          "type": "Identifier",
                          "span": {
                            "start": 1703,
                            "end": 1707,
                            "ctxt": 0
                          },
                          "value": "x",
                          "optional": false,
                          "typeAnnotation": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 1704,
                              "end": 1707,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsTypeReference",
                              "span": {
                                "start": 1706,
                                "end": 1707,
                                "ctxt": 0
                              },
                              "typeName": {
                                "type": "Identifier",
                                "span": {
                                  "start": 1706,
                                  "end": 1707,
                                  "ctxt": 0
                                },
                                "value": "T",
                                "optional": false
                              },
                              "typeParams": null
                            }
                          }
                        }
                      ],
                      "typeParams": {
                        "type": "TsTypeParameterDeclaration",
                        "span": {
                          "start": 1699,
                          "end": 1702,
                          "ctxt": 0
                        },
                        "parameters": [
                          {
                            "type": "TsTypeParameter",
                            "span": {
                              "start": 1700,
                              "end": 1701,
                              "ctxt": 0
                            },
                            "name": {
                              "type": "Identifier",
                              "span": {
                                "start": 1700,
                                "end": 1701,
                                "ctxt": 0
                              },
                              "value": "T",
                              "optional": false
                            },
                            "in": false,
                            "out": false,
                            "constraint": null,
                            "default": null
                          }
                        ]
                      },
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 1709,
                          "end": 1713,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsTypeReference",
                          "span": {
                            "start": 1712,
                            "end": 1713,
                            "ctxt": 0
                          },
                          "typeName": {
                            "type": "Identifier",
                            "span": {
                              "start": 1712,
                              "end": 1713,
                              "ctxt": 0
                            },
                            "value": "T",
                            "optional": false
                          },
                          "typeParams": null
                        }
                      },
                      "isAbstract": false
                    }
                  },
                  "typeParams": null
                }
              ]
            }
          },
          {
            "type": "TsInterfaceDeclaration",
            "span": {
              "start": 1737,
              "end": 1864,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 1747,
                "end": 1749,
                "ctxt": 0
              },
              "value": "I2",
              "optional": false
            },
            "declare": false,
            "typeParams": null,
            "extends": [
              {
                "type": "TsExpressionWithTypeArguments",
                "span": {
                  "start": 1758,
                  "end": 1763,
                  "ctxt": 0
                },
                "expression": {
                  "type": "Identifier",
                  "span": {
                    "start": 1758,
                    "end": 1763,
                    "ctxt": 0
                  },
                  "value": "Base2",
                  "optional": false
                },
                "typeArguments": null
              }
            ],
            "body": {
              "type": "TsInterfaceBody",
              "span": {
                "start": 1764,
                "end": 1864,
                "ctxt": 0
              },
              "body": [
                {
                  "type": "TsPropertySignature",
                  "span": {
                    "start": 1789,
                    "end": 1818,
                    "ctxt": 0
                  },
                  "readonly": false,
                  "key": {
                    "type": "Identifier",
                    "span": {
                      "start": 1789,
                      "end": 1790,
                      "ctxt": 0
                    },
                    "value": "a",
                    "optional": false
                  },
                  "computed": false,
                  "optional": false,
                  "init": null,
                  "params": [],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 1790,
                      "end": 1817,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsConstructorType",
                      "span": {
                        "start": 1792,
                        "end": 1817,
                        "ctxt": 0
                      },
                      "params": [
                        {
                          "type": "Identifier",
                          "span": {
                            "start": 1797,
                            "end": 1806,
                            "ctxt": 0
                          },
                          "value": "x",
                          "optional": false,
                          "typeAnnotation": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 1798,
                              "end": 1806,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsKeywordType",
                              "span": {
                                "start": 1800,
                                "end": 1806,
                                "ctxt": 0
                              },
                              "kind": "string"
                            }
                          }
                        }
                      ],
                      "typeParams": null,
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 1808,
                          "end": 1817,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsKeywordType",
                          "span": {
                            "start": 1811,
                            "end": 1817,
                            "ctxt": 0
                          },
                          "kind": "string"
                        }
                      },
                      "isAbstract": false
                    }
                  },
                  "typeParams": null
                }
              ]
            }
          },
          {
            "type": "TsInterfaceDeclaration",
            "span": {
              "start": 1881,
              "end": 2007,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 1891,
                "end": 1893,
                "ctxt": 0
              },
              "value": "I3",
              "optional": false
            },
            "declare": false,
            "typeParams": null,
            "extends": [
              {
                "type": "TsExpressionWithTypeArguments",
                "span": {
                  "start": 1902,
                  "end": 1907,
                  "ctxt": 0
                },
                "expression": {
                  "type": "Identifier",
                  "span": {
                    "start": 1902,
                    "end": 1907,
                    "ctxt": 0
                  },
                  "value": "Base2",
                  "optional": false
                },
                "typeArguments": null
              }
            ],
            "body": {
              "type": "TsInterfaceBody",
              "span": {
                "start": 1908,
                "end": 2007,
                "ctxt": 0
              },
              "body": [
                {
                  "type": "TsPropertySignature",
                  "span": {
                    "start": 1933,
                    "end": 1961,
                    "ctxt": 0
                  },
                  "readonly": false,
                  "key": {
                    "type": "Identifier",
                    "span": {
                      "start": 1933,
                      "end": 1935,
                      "ctxt": 0
                    },
                    "value": "a2",
                    "optional": false
                  },
                  "computed": false,
                  "optional": false,
                  "init": null,
                  "params": [],
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 1935,
                      "end": 1960,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsConstructorType",
                      "span": {
                        "start": 1937,
                        "end": 1960,
                        "ctxt": 0
                      },
                      "params": [
                        {
                          "type": "Identifier",
                          "span": {
                            "start": 1945,
                            "end": 1949,
                            "ctxt": 0
                          },
                          "value": "x",
                          "optional": false,
                          "typeAnnotation": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 1946,
                              "end": 1949,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsTypeReference",
                              "span": {
                                "start": 1948,
                                "end": 1949,
                                "ctxt": 0
                              },
                              "typeName": {
                                "type": "Identifier",
                                "span": {
                                  "start": 1948,
                                  "end": 1949,
                                  "ctxt": 0
                                },
                                "value": "T",
                                "optional": false
                              },
                              "typeParams": null
                            }
                          }
                        }
                      ],
                      "typeParams": {
                        "type": "TsTypeParameterDeclaration",
                        "span": {
                          "start": 1941,
                          "end": 1944,
                          "ctxt": 0
                        },
                        "parameters": [
                          {
                            "type": "TsTypeParameter",
                            "span": {
                              "start": 1942,
                              "end": 1943,
                              "ctxt": 0
                            },
                            "name": {
                              "type": "Identifier",
                              "span": {
                                "start": 1942,
                                "end": 1943,
                                "ctxt": 0
                              },
                              "value": "T",
                              "optional": false
                            },
                            "in": false,
                            "out": false,
                            "constraint": null,
                            "default": null
                          }
                        ]
                      },
                      "typeAnnotation": {
                        "type": "TsTypeAnnotation",
                        "span": {
                          "start": 1951,
                          "end": 1960,
                          "ctxt": 0
                        },
                        "typeAnnotation": {
                          "type": "TsKeywordType",
                          "span": {
                            "start": 1954,
                            "end": 1960,
                            "ctxt": 0
                          },
                          "kind": "string"
                        }
                      },
                      "isAbstract": false
                    }
                  },
                  "typeParams": null
                }
              ]
            }
          }
        ]
      }
    }
  ],
  "interpreter": null
}