{
  "type": "Script",
  "span": {
    "start": 25,
    "end": 553,
    "ctxt": 0
  },
  "body": [
    {
      "type": "TsTypeAliasDeclaration",
      "span": {
        "start": 25,
        "end": 67,
        "ctxt": 0
      },
      "declare": false,
      "id": {
        "type": "Identifier",
        "span": {
          "start": 30,
          "end": 32,
          "ctxt": 0
        },
        "value": "T1",
        "optional": false
      },
      "typeParams": null,
      "typeAnnotation": {
        "type": "TsTypeLiteral",
        "span": {
          "start": 35,
          "end": 66,
          "ctxt": 0
        },
        "members": [
          {
            "type": "TsPropertySignature",
            "span": {
              "start": 42,
              "end": 53,
              "ctxt": 0
            },
            "readonly": false,
            "key": {
              "type": "Identifier",
              "span": {
                "start": 42,
                "end": 43,
                "ctxt": 0
              },
              "value": "x",
              "optional": false
            },
            "computed": false,
            "optional": false,
            "init": null,
            "params": [],
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 43,
                "end": 52,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsIndexedAccessType",
                "span": {
                  "start": 45,
                  "end": 52,
                  "ctxt": 0
                },
                "readonly": false,
                "objectType": {
                  "type": "TsTypeReference",
                  "span": {
                    "start": 45,
                    "end": 47,
                    "ctxt": 0
                  },
                  "typeName": {
                    "type": "Identifier",
                    "span": {
                      "start": 45,
                      "end": 47,
                      "ctxt": 0
                    },
                    "value": "T1",
                    "optional": false
                  },
                  "typeParams": null
                },
                "indexType": {
                  "type": "TsLiteralType",
                  "span": {
                    "start": 48,
                    "end": 51,
                    "ctxt": 0
                  },
                  "literal": {
                    "type": "StringLiteral",
                    "span": {
                      "start": 48,
                      "end": 51,
                      "ctxt": 0
                    },
                    "value": "x",
                    "hasEscape": false,
                    "kind": {
                      "type": "normal",
                      "containsQuote": true
                    }
                  }
                }
              }
            },
            "typeParams": null
          }
        ]
      }
    },
    {
      "type": "TsTypeAliasDeclaration",
      "span": {
        "start": 71,
        "end": 150,
        "ctxt": 0
      },
      "declare": false,
      "id": {
        "type": "Identifier",
        "span": {
          "start": 76,
          "end": 78,
          "ctxt": 0
        },
        "value": "T2",
        "optional": false
      },
      "typeParams": {
        "type": "TsTypeParameterDeclaration",
        "span": {
          "start": 78,
          "end": 99,
          "ctxt": 0
        },
        "parameters": [
          {
            "type": "TsTypeParameter",
            "span": {
              "start": 79,
              "end": 98,
              "ctxt": 0
            },
            "name": {
              "type": "Identifier",
              "span": {
                "start": 79,
                "end": 80,
                "ctxt": 0
              },
              "value": "K",
              "optional": false
            },
            "constraint": {
              "type": "TsUnionType",
              "span": {
                "start": 89,
                "end": 98,
                "ctxt": 0
              },
              "types": [
                {
                  "type": "TsLiteralType",
                  "span": {
                    "start": 89,
                    "end": 92,
                    "ctxt": 0
                  },
                  "literal": {
                    "type": "StringLiteral",
                    "span": {
                      "start": 89,
                      "end": 92,
                      "ctxt": 0
                    },
                    "value": "x",
                    "hasEscape": false,
                    "kind": {
                      "type": "normal",
                      "containsQuote": true
                    }
                  }
                },
                {
                  "type": "TsLiteralType",
                  "span": {
                    "start": 95,
                    "end": 98,
                    "ctxt": 0
                  },
                  "literal": {
                    "type": "StringLiteral",
                    "span": {
                      "start": 95,
                      "end": 98,
                      "ctxt": 0
                    },
                    "value": "y",
                    "hasEscape": false,
                    "kind": {
                      "type": "normal",
                      "containsQuote": true
                    }
                  }
                }
              ]
            },
            "default": null
          }
        ]
      },
      "typeAnnotation": {
        "type": "TsTypeLiteral",
        "span": {
          "start": 102,
          "end": 150,
          "ctxt": 0
        },
        "members": [
          {
            "type": "TsPropertySignature",
            "span": {
              "start": 109,
              "end": 121,
              "ctxt": 0
            },
            "readonly": false,
            "key": {
              "type": "Identifier",
              "span": {
                "start": 109,
                "end": 110,
                "ctxt": 0
              },
              "value": "x",
              "optional": false
            },
            "computed": false,
            "optional": false,
            "init": null,
            "params": [],
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 110,
                "end": 120,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsIndexedAccessType",
                "span": {
                  "start": 112,
                  "end": 120,
                  "ctxt": 0
                },
                "readonly": false,
                "objectType": {
                  "type": "TsTypeReference",
                  "span": {
                    "start": 112,
                    "end": 117,
                    "ctxt": 0
                  },
                  "typeName": {
                    "type": "Identifier",
                    "span": {
                      "start": 112,
                      "end": 114,
                      "ctxt": 0
                    },
                    "value": "T2",
                    "optional": false
                  },
                  "typeParams": {
                    "type": "TsTypeParameterInstantiation",
                    "span": {
                      "start": 114,
                      "end": 117,
                      "ctxt": 0
                    },
                    "params": [
                      {
                        "type": "TsTypeReference",
                        "span": {
                          "start": 115,
                          "end": 116,
                          "ctxt": 0
                        },
                        "typeName": {
                          "type": "Identifier",
                          "span": {
                            "start": 115,
                            "end": 116,
                            "ctxt": 0
                          },
                          "value": "K",
                          "optional": false
                        },
                        "typeParams": null
                      }
                    ]
                  }
                },
                "indexType": {
                  "type": "TsTypeReference",
                  "span": {
                    "start": 118,
                    "end": 119,
                    "ctxt": 0
                  },
                  "typeName": {
                    "type": "Identifier",
                    "span": {
                      "start": 118,
                      "end": 119,
                      "ctxt": 0
                    },
                    "value": "K",
                    "optional": false
                  },
                  "typeParams": null
                }
              }
            },
            "typeParams": null
          },
          {
            "type": "TsPropertySignature",
            "span": {
              "start": 137,
              "end": 147,
              "ctxt": 0
            },
            "readonly": false,
            "key": {
              "type": "Identifier",
              "span": {
                "start": 137,
                "end": 138,
                "ctxt": 0
              },
              "value": "y",
              "optional": false
            },
            "computed": false,
            "optional": false,
            "init": null,
            "params": [],
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 138,
                "end": 146,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 140,
                  "end": 146,
                  "ctxt": 0
                },
                "kind": "number"
              }
            },
            "typeParams": null
          }
        ]
      }
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 154,
        "end": 178,
        "ctxt": 0
      },
      "kind": "let",
      "declare": true,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 166,
            "end": 177,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 166,
              "end": 168,
              "ctxt": 0
            },
            "value": "x2",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 168,
                "end": 177,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeReference",
                "span": {
                  "start": 170,
                  "end": 177,
                  "ctxt": 0
                },
                "typeName": {
                  "type": "Identifier",
                  "span": {
                    "start": 170,
                    "end": 172,
                    "ctxt": 0
                  },
                  "value": "T2",
                  "optional": false
                },
                "typeParams": {
                  "type": "TsTypeParameterInstantiation",
                  "span": {
                    "start": 172,
                    "end": 177,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "TsLiteralType",
                      "span": {
                        "start": 173,
                        "end": 176,
                        "ctxt": 0
                      },
                      "literal": {
                        "type": "StringLiteral",
                        "span": {
                          "start": 173,
                          "end": 176,
                          "ctxt": 0
                        },
                        "value": "x",
                        "hasEscape": false,
                        "kind": {
                          "type": "normal",
                          "containsQuote": true
                        }
                      }
                    }
                  ]
                }
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 180,
        "end": 195,
        "ctxt": 0
      },
      "kind": "let",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 184,
            "end": 194,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 184,
              "end": 187,
              "ctxt": 0
            },
            "value": "x2x",
            "optional": false,
            "typeAnnotation": null
          },
          "init": {
            "type": "MemberExpression",
            "span": {
              "start": 190,
              "end": 194,
              "ctxt": 0
            },
            "object": {
              "type": "Identifier",
              "span": {
                "start": 190,
                "end": 192,
                "ctxt": 0
              },
              "value": "x2",
              "optional": false
            },
            "property": {
              "type": "Identifier",
              "span": {
                "start": 193,
                "end": 194,
                "ctxt": 0
              },
              "value": "x",
              "optional": false
            }
          },
          "definite": false
        }
      ]
    },
    {
      "type": "TsInterfaceDeclaration",
      "span": {
        "start": 199,
        "end": 249,
        "ctxt": 0
      },
      "id": {
        "type": "Identifier",
        "span": {
          "start": 209,
          "end": 211,
          "ctxt": 0
        },
        "value": "T3",
        "optional": false
      },
      "declare": false,
      "typeParams": {
        "type": "TsTypeParameterDeclaration",
        "span": {
          "start": 211,
          "end": 228,
          "ctxt": 0
        },
        "parameters": [
          {
            "type": "TsTypeParameter",
            "span": {
              "start": 212,
              "end": 227,
              "ctxt": 0
            },
            "name": {
              "type": "Identifier",
              "span": {
                "start": 212,
                "end": 213,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "constraint": {
              "type": "TsTypeReference",
              "span": {
                "start": 222,
                "end": 227,
                "ctxt": 0
              },
              "typeName": {
                "type": "Identifier",
                "span": {
                  "start": 222,
                  "end": 224,
                  "ctxt": 0
                },
                "value": "T3",
                "optional": false
              },
              "typeParams": {
                "type": "TsTypeParameterInstantiation",
                "span": {
                  "start": 224,
                  "end": 227,
                  "ctxt": 0
                },
                "params": [
                  {
                    "type": "TsTypeReference",
                    "span": {
                      "start": 225,
                      "end": 226,
                      "ctxt": 0
                    },
                    "typeName": {
                      "type": "Identifier",
                      "span": {
                        "start": 225,
                        "end": 226,
                        "ctxt": 0
                      },
                      "value": "T",
                      "optional": false
                    },
                    "typeParams": null
                  }
                ]
              }
            },
            "default": null
          }
        ]
      },
      "extends": [],
      "body": {
        "type": "TsInterfaceBody",
        "span": {
          "start": 229,
          "end": 249,
          "ctxt": 0
        },
        "body": [
          {
            "type": "TsPropertySignature",
            "span": {
              "start": 236,
              "end": 246,
              "ctxt": 0
            },
            "readonly": false,
            "key": {
              "type": "Identifier",
              "span": {
                "start": 236,
                "end": 237,
                "ctxt": 0
              },
              "value": "x",
              "optional": false
            },
            "computed": false,
            "optional": false,
            "init": null,
            "params": [],
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 237,
                "end": 245,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsIndexedAccessType",
                "span": {
                  "start": 239,
                  "end": 245,
                  "ctxt": 0
                },
                "readonly": false,
                "objectType": {
                  "type": "TsTypeReference",
                  "span": {
                    "start": 239,
                    "end": 240,
                    "ctxt": 0
                  },
                  "typeName": {
                    "type": "Identifier",
                    "span": {
                      "start": 239,
                      "end": 240,
                      "ctxt": 0
                    },
                    "value": "T",
                    "optional": false
                  },
                  "typeParams": null
                },
                "indexType": {
                  "type": "TsLiteralType",
                  "span": {
                    "start": 241,
                    "end": 244,
                    "ctxt": 0
                  },
                  "literal": {
                    "type": "StringLiteral",
                    "span": {
                      "start": 241,
                      "end": 244,
                      "ctxt": 0
                    },
                    "value": "x",
                    "hasEscape": false,
                    "kind": {
                      "type": "normal",
                      "containsQuote": true
                    }
                  }
                }
              }
            },
            "typeParams": null
          }
        ]
      }
    },
    {
      "type": "TsInterfaceDeclaration",
      "span": {
        "start": 253,
        "end": 317,
        "ctxt": 0
      },
      "id": {
        "type": "Identifier",
        "span": {
          "start": 263,
          "end": 265,
          "ctxt": 0
        },
        "value": "T4",
        "optional": false
      },
      "declare": false,
      "typeParams": {
        "type": "TsTypeParameterDeclaration",
        "span": {
          "start": 265,
          "end": 282,
          "ctxt": 0
        },
        "parameters": [
          {
            "type": "TsTypeParameter",
            "span": {
              "start": 266,
              "end": 281,
              "ctxt": 0
            },
            "name": {
              "type": "Identifier",
              "span": {
                "start": 266,
                "end": 267,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "constraint": {
              "type": "TsTypeReference",
              "span": {
                "start": 276,
                "end": 281,
                "ctxt": 0
              },
              "typeName": {
                "type": "Identifier",
                "span": {
                  "start": 276,
                  "end": 278,
                  "ctxt": 0
                },
                "value": "T4",
                "optional": false
              },
              "typeParams": {
                "type": "TsTypeParameterInstantiation",
                "span": {
                  "start": 278,
                  "end": 281,
                  "ctxt": 0
                },
                "params": [
                  {
                    "type": "TsTypeReference",
                    "span": {
                      "start": 279,
                      "end": 280,
                      "ctxt": 0
                    },
                    "typeName": {
                      "type": "Identifier",
                      "span": {
                        "start": 279,
                        "end": 280,
                        "ctxt": 0
                      },
                      "value": "T",
                      "optional": false
                    },
                    "typeParams": null
                  }
                ]
              }
            },
            "default": null
          }
        ]
      },
      "extends": [],
      "body": {
        "type": "TsInterfaceBody",
        "span": {
          "start": 283,
          "end": 317,
          "ctxt": 0
        },
        "body": [
          {
            "type": "TsPropertySignature",
            "span": {
              "start": 290,
              "end": 304,
              "ctxt": 0
            },
            "readonly": false,
            "key": {
              "type": "Identifier",
              "span": {
                "start": 290,
                "end": 291,
                "ctxt": 0
              },
              "value": "x",
              "optional": false
            },
            "computed": false,
            "optional": false,
            "init": null,
            "params": [],
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 291,
                "end": 303,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsIndexedAccessType",
                "span": {
                  "start": 293,
                  "end": 303,
                  "ctxt": 0
                },
                "readonly": false,
                "objectType": {
                  "type": "TsTypeReference",
                  "span": {
                    "start": 293,
                    "end": 298,
                    "ctxt": 0
                  },
                  "typeName": {
                    "type": "Identifier",
                    "span": {
                      "start": 293,
                      "end": 295,
                      "ctxt": 0
                    },
                    "value": "T4",
                    "optional": false
                  },
                  "typeParams": {
                    "type": "TsTypeParameterInstantiation",
                    "span": {
                      "start": 295,
                      "end": 298,
                      "ctxt": 0
                    },
                    "params": [
                      {
                        "type": "TsTypeReference",
                        "span": {
                          "start": 296,
                          "end": 297,
                          "ctxt": 0
                        },
                        "typeName": {
                          "type": "Identifier",
                          "span": {
                            "start": 296,
                            "end": 297,
                            "ctxt": 0
                          },
                          "value": "T",
                          "optional": false
                        },
                        "typeParams": null
                      }
                    ]
                  }
                },
                "indexType": {
                  "type": "TsLiteralType",
                  "span": {
                    "start": 299,
                    "end": 302,
                    "ctxt": 0
                  },
                  "literal": {
                    "type": "StringLiteral",
                    "span": {
                      "start": 299,
                      "end": 302,
                      "ctxt": 0
                    },
                    "value": "x",
                    "hasEscape": false,
                    "kind": {
                      "type": "normal",
                      "containsQuote": true
                    }
                  }
                }
              }
            },
            "typeParams": null
          }
        ]
      }
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 327,
          "end": 329,
          "ctxt": 0
        },
        "value": "C1",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 321,
        "end": 361,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassProperty",
          "span": {
            "start": 337,
            "end": 348,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 337,
              "end": 338,
              "ctxt": 0
            },
            "value": "x",
            "optional": false
          },
          "value": null,
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 338,
              "end": 347,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsIndexedAccessType",
              "span": {
                "start": 340,
                "end": 347,
                "ctxt": 0
              },
              "readonly": false,
              "objectType": {
                "type": "TsTypeReference",
                "span": {
                  "start": 340,
                  "end": 342,
                  "ctxt": 0
                },
                "typeName": {
                  "type": "Identifier",
                  "span": {
                    "start": 340,
                    "end": 342,
                    "ctxt": 0
                  },
                  "value": "C1",
                  "optional": false
                },
                "typeParams": null
              },
              "indexType": {
                "type": "TsLiteralType",
                "span": {
                  "start": 343,
                  "end": 346,
                  "ctxt": 0
                },
                "literal": {
                  "type": "StringLiteral",
                  "span": {
                    "start": 343,
                    "end": 346,
                    "ctxt": 0
                  },
                  "value": "x",
                  "hasEscape": false,
                  "kind": {
                    "type": "normal",
                    "containsQuote": true
                  }
                }
              }
            }
          },
          "isStatic": false,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        }
      ],
      "superClass": null,
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": null,
      "implements": []
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 371,
          "end": 373,
          "ctxt": 0
        },
        "value": "C2",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 365,
        "end": 435,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassProperty",
          "span": {
            "start": 381,
            "end": 394,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 381,
              "end": 382,
              "ctxt": 0
            },
            "value": "x",
            "optional": false
          },
          "value": null,
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 382,
              "end": 393,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsIndexedAccessType",
              "span": {
                "start": 384,
                "end": 393,
                "ctxt": 0
              },
              "readonly": false,
              "objectType": {
                "type": "TsThisType",
                "span": {
                  "start": 384,
                  "end": 388,
                  "ctxt": 0
                }
              },
              "indexType": {
                "type": "TsLiteralType",
                "span": {
                  "start": 389,
                  "end": 392,
                  "ctxt": 0
                },
                "literal": {
                  "type": "StringLiteral",
                  "span": {
                    "start": 389,
                    "end": 392,
                    "ctxt": 0
                  },
                  "value": "y",
                  "hasEscape": false,
                  "kind": {
                    "type": "normal",
                    "containsQuote": true
                  }
                }
              }
            }
          },
          "isStatic": false,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 400,
            "end": 413,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 400,
              "end": 401,
              "ctxt": 0
            },
            "value": "y",
            "optional": false
          },
          "value": null,
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 401,
              "end": 412,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsIndexedAccessType",
              "span": {
                "start": 403,
                "end": 412,
                "ctxt": 0
              },
              "readonly": false,
              "objectType": {
                "type": "TsThisType",
                "span": {
                  "start": 403,
                  "end": 407,
                  "ctxt": 0
                }
              },
              "indexType": {
                "type": "TsLiteralType",
                "span": {
                  "start": 408,
                  "end": 411,
                  "ctxt": 0
                },
                "literal": {
                  "type": "StringLiteral",
                  "span": {
                    "start": 408,
                    "end": 411,
                    "ctxt": 0
                  },
                  "value": "z",
                  "hasEscape": false,
                  "kind": {
                    "type": "normal",
                    "containsQuote": true
                  }
                }
              }
            }
          },
          "isStatic": false,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 419,
            "end": 432,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 419,
              "end": 420,
              "ctxt": 0
            },
            "value": "z",
            "optional": false
          },
          "value": null,
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 420,
              "end": 431,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsIndexedAccessType",
              "span": {
                "start": 422,
                "end": 431,
                "ctxt": 0
              },
              "readonly": false,
              "objectType": {
                "type": "TsThisType",
                "span": {
                  "start": 422,
                  "end": 426,
                  "ctxt": 0
                }
              },
              "indexType": {
                "type": "TsLiteralType",
                "span": {
                  "start": 427,
                  "end": 430,
                  "ctxt": 0
                },
                "literal": {
                  "type": "StringLiteral",
                  "span": {
                    "start": 427,
                    "end": 430,
                    "ctxt": 0
                  },
                  "value": "x",
                  "hasEscape": false,
                  "kind": {
                    "type": "normal",
                    "containsQuote": true
                  }
                }
              }
            }
          },
          "isStatic": false,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        }
      ],
      "superClass": null,
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": null,
      "implements": []
    },
    {
      "type": "TsInterfaceDeclaration",
      "span": {
        "start": 463,
        "end": 502,
        "ctxt": 0
      },
      "id": {
        "type": "Identifier",
        "span": {
          "start": 473,
          "end": 476,
          "ctxt": 0
        },
        "value": "Foo",
        "optional": false
      },
      "declare": false,
      "typeParams": null,
      "extends": [],
      "body": {
        "type": "TsInterfaceBody",
        "span": {
          "start": 477,
          "end": 502,
          "ctxt": 0
        },
        "body": [
          {
            "type": "TsPropertySignature",
            "span": {
              "start": 484,
              "end": 499,
              "ctxt": 0
            },
            "readonly": false,
            "key": {
              "type": "Identifier",
              "span": {
                "start": 484,
                "end": 489,
                "ctxt": 0
              },
              "value": "hello",
              "optional": false
            },
            "computed": false,
            "optional": false,
            "init": null,
            "params": [],
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 489,
                "end": 498,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 491,
                  "end": 498,
                  "ctxt": 0
                },
                "kind": "boolean"
              }
            },
            "typeParams": null
          }
        ]
      }
    },
    {
      "type": "FunctionDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 515,
          "end": 518,
          "ctxt": 0
        },
        "value": "foo",
        "optional": false
      },
      "declare": false,
      "params": [],
      "decorators": [],
      "span": {
        "start": 506,
        "end": 553,
        "ctxt": 0
      },
      "body": {
        "type": "BlockStatement",
        "span": {
          "start": 549,
          "end": 553,
          "ctxt": 0
        },
        "stmts": []
      },
      "generator": false,
      "async": false,
      "typeParameters": {
        "type": "TsTypeParameterDeclaration",
        "span": {
          "start": 518,
          "end": 546,
          "ctxt": 0
        },
        "parameters": [
          {
            "type": "TsTypeParameter",
            "span": {
              "start": 519,
              "end": 545,
              "ctxt": 0
            },
            "name": {
              "type": "Identifier",
              "span": {
                "start": 519,
                "end": 520,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "constraint": {
              "type": "TsUnionType",
              "span": {
                "start": 529,
                "end": 545,
                "ctxt": 0
              },
              "types": [
                {
                  "type": "TsTypeReference",
                  "span": {
                    "start": 529,
                    "end": 532,
                    "ctxt": 0
                  },
                  "typeName": {
                    "type": "Identifier",
                    "span": {
                      "start": 529,
                      "end": 532,
                      "ctxt": 0
                    },
                    "value": "Foo",
                    "optional": false
                  },
                  "typeParams": null
                },
                {
                  "type": "TsIndexedAccessType",
                  "span": {
                    "start": 535,
                    "end": 545,
                    "ctxt": 0
                  },
                  "readonly": false,
                  "objectType": {
                    "type": "TsTypeReference",
                    "span": {
                      "start": 535,
                      "end": 536,
                      "ctxt": 0
                    },
                    "typeName": {
                      "type": "Identifier",
                      "span": {
                        "start": 535,
                        "end": 536,
                        "ctxt": 0
                      },
                      "value": "T",
                      "optional": false
                    },
                    "typeParams": null
                  },
                  "indexType": {
                    "type": "TsLiteralType",
                    "span": {
                      "start": 537,
                      "end": 544,
                      "ctxt": 0
                    },
                    "literal": {
                      "type": "StringLiteral",
                      "span": {
                        "start": 537,
                        "end": 544,
                        "ctxt": 0
                      },
                      "value": "hello",
                      "hasEscape": false,
                      "kind": {
                        "type": "normal",
                        "containsQuote": true
                      }
                    }
                  }
                }
              ]
            },
            "default": null
          }
        ]
      },
      "returnType": null
    }
  ],
  "interpreter": null
}