{
  "type": "Script",
  "span": {
    "start": 0,
    "end": 505,
    "ctxt": 0
  },
  "body": [
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 15,
          "end": 16,
          "ctxt": 0
        },
        "value": "A",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 0,
        "end": 85,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassProperty",
          "span": {
            "start": 26,
            "end": 31,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 26,
              "end": 27,
              "ctxt": 0
            },
            "value": "t",
            "optional": false
          },
          "value": null,
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 27,
              "end": 30,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsTypeReference",
              "span": {
                "start": 29,
                "end": 30,
                "ctxt": 0
              },
              "typeName": {
                "type": "Identifier",
                "span": {
                  "start": 29,
                  "end": 30,
                  "ctxt": 0
                },
                "value": "T",
                "optional": false
              },
              "typeParams": null
            }
          },
          "isStatic": false,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 41,
            "end": 59,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 50,
              "end": 53,
              "ctxt": 0
            },
            "value": "foo",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 41,
              "end": 59,
              "ctxt": 0
            },
            "body": null,
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 55,
                "end": 58,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeReference",
                "span": {
                  "start": 57,
                  "end": 58,
                  "ctxt": 0
                },
                "typeName": {
                  "type": "Identifier",
                  "span": {
                    "start": 57,
                    "end": 58,
                    "ctxt": 0
                  },
                  "value": "T",
                  "optional": false
                },
                "typeParams": null
              }
            }
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": true,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 64,
            "end": 83,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 73,
              "end": 76,
              "ctxt": 0
            },
            "value": "bar",
            "optional": false
          },
          "function": {
            "params": [
              {
                "type": "Parameter",
                "span": {
                  "start": 77,
                  "end": 81,
                  "ctxt": 0
                },
                "decorators": [],
                "pat": {
                  "type": "Identifier",
                  "span": {
                    "start": 77,
                    "end": 81,
                    "ctxt": 0
                  },
                  "value": "t",
                  "optional": false,
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 78,
                      "end": 81,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsTypeReference",
                      "span": {
                        "start": 80,
                        "end": 81,
                        "ctxt": 0
                      },
                      "typeName": {
                        "type": "Identifier",
                        "span": {
                          "start": 80,
                          "end": 81,
                          "ctxt": 0
                        },
                        "value": "T",
                        "optional": false
                      },
                      "typeParams": null
                    }
                  }
                }
              }
            ],
            "decorators": [],
            "span": {
              "start": 64,
              "end": 83,
              "ctxt": 0
            },
            "body": null,
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": true,
          "isOptional": false,
          "isOverride": false
        }
      ],
      "superClass": null,
      "isAbstract": true,
      "typeParams": {
        "type": "TsTypeParameterDeclaration",
        "span": {
          "start": 16,
          "end": 19,
          "ctxt": 0
        },
        "parameters": [
          {
            "type": "TsTypeParameter",
            "span": {
              "start": 17,
              "end": 18,
              "ctxt": 0
            },
            "name": {
              "type": "Identifier",
              "span": {
                "start": 17,
                "end": 18,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "constraint": null,
            "default": null
          }
        ]
      },
      "superTypeParams": null,
      "implements": []
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 102,
          "end": 103,
          "ctxt": 0
        },
        "value": "B",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 87,
        "end": 122,
        "ctxt": 0
      },
      "decorators": [],
      "body": [],
      "superClass": {
        "type": "Identifier",
        "span": {
          "start": 115,
          "end": 116,
          "ctxt": 0
        },
        "value": "A",
        "optional": false
      },
      "isAbstract": true,
      "typeParams": {
        "type": "TsTypeParameterDeclaration",
        "span": {
          "start": 103,
          "end": 106,
          "ctxt": 0
        },
        "parameters": [
          {
            "type": "TsTypeParameter",
            "span": {
              "start": 104,
              "end": 105,
              "ctxt": 0
            },
            "name": {
              "type": "Identifier",
              "span": {
                "start": 104,
                "end": 105,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "constraint": null,
            "default": null
          }
        ]
      },
      "superTypeParams": {
        "type": "TsTypeParameterInstantiation",
        "span": {
          "start": 116,
          "end": 119,
          "ctxt": 0
        },
        "params": [
          {
            "type": "TsTypeReference",
            "span": {
              "start": 117,
              "end": 118,
              "ctxt": 0
            },
            "typeName": {
              "type": "Identifier",
              "span": {
                "start": 117,
                "end": 118,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "typeParams": null
          }
        ]
      },
      "implements": []
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 130,
          "end": 131,
          "ctxt": 0
        },
        "value": "C",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 124,
        "end": 150,
        "ctxt": 0
      },
      "decorators": [],
      "body": [],
      "superClass": {
        "type": "Identifier",
        "span": {
          "start": 143,
          "end": 144,
          "ctxt": 0
        },
        "value": "A",
        "optional": false
      },
      "isAbstract": false,
      "typeParams": {
        "type": "TsTypeParameterDeclaration",
        "span": {
          "start": 131,
          "end": 134,
          "ctxt": 0
        },
        "parameters": [
          {
            "type": "TsTypeParameter",
            "span": {
              "start": 132,
              "end": 133,
              "ctxt": 0
            },
            "name": {
              "type": "Identifier",
              "span": {
                "start": 132,
                "end": 133,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "constraint": null,
            "default": null
          }
        ]
      },
      "superTypeParams": {
        "type": "TsTypeParameterInstantiation",
        "span": {
          "start": 144,
          "end": 147,
          "ctxt": 0
        },
        "params": [
          {
            "type": "TsTypeReference",
            "span": {
              "start": 145,
              "end": 146,
              "ctxt": 0
            },
            "typeName": {
              "type": "Identifier",
              "span": {
                "start": 145,
                "end": 146,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "typeParams": null
          }
        ]
      },
      "implements": []
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 196,
          "end": 197,
          "ctxt": 0
        },
        "value": "D",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 190,
        "end": 218,
        "ctxt": 0
      },
      "decorators": [],
      "body": [],
      "superClass": {
        "type": "Identifier",
        "span": {
          "start": 206,
          "end": 207,
          "ctxt": 0
        },
        "value": "A",
        "optional": false
      },
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": {
        "type": "TsTypeParameterInstantiation",
        "span": {
          "start": 207,
          "end": 215,
          "ctxt": 0
        },
        "params": [
          {
            "type": "TsKeywordType",
            "span": {
              "start": 208,
              "end": 214,
              "ctxt": 0
            },
            "kind": "number"
          }
        ]
      },
      "implements": []
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 264,
          "end": 265,
          "ctxt": 0
        },
        "value": "E",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 258,
        "end": 348,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassMethod",
          "span": {
            "start": 322,
            "end": 346,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 322,
              "end": 325,
              "ctxt": 0
            },
            "value": "foo",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 322,
              "end": 346,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 328,
                "end": 346,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 330,
                    "end": 344,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "MemberExpression",
                    "span": {
                      "start": 337,
                      "end": 343,
                      "ctxt": 0
                    },
                    "object": {
                      "type": "ThisExpression",
                      "span": {
                        "start": 337,
                        "end": 341,
                        "ctxt": 0
                      }
                    },
                    "property": {
                      "type": "Identifier",
                      "span": {
                        "start": 342,
                        "end": 343,
                        "ctxt": 0
                      },
                      "value": "t",
                      "optional": false
                    }
                  }
                }
              ]
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        }
      ],
      "superClass": {
        "type": "Identifier",
        "span": {
          "start": 277,
          "end": 278,
          "ctxt": 0
        },
        "value": "A",
        "optional": false
      },
      "isAbstract": false,
      "typeParams": {
        "type": "TsTypeParameterDeclaration",
        "span": {
          "start": 265,
          "end": 268,
          "ctxt": 0
        },
        "parameters": [
          {
            "type": "TsTypeParameter",
            "span": {
              "start": 266,
              "end": 267,
              "ctxt": 0
            },
            "name": {
              "type": "Identifier",
              "span": {
                "start": 266,
                "end": 267,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "constraint": null,
            "default": null
          }
        ]
      },
      "superTypeParams": {
        "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
          }
        ]
      },
      "implements": []
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 356,
          "end": 357,
          "ctxt": 0
        },
        "value": "F",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 350,
        "end": 429,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassMethod",
          "span": {
            "start": 414,
            "end": 427,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 414,
              "end": 417,
              "ctxt": 0
            },
            "value": "bar",
            "optional": false
          },
          "function": {
            "params": [
              {
                "type": "Parameter",
                "span": {
                  "start": 418,
                  "end": 423,
                  "ctxt": 0
                },
                "decorators": [],
                "pat": {
                  "type": "Identifier",
                  "span": {
                    "start": 418,
                    "end": 423,
                    "ctxt": 0
                  },
                  "value": "t",
                  "optional": false,
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 420,
                      "end": 423,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsTypeReference",
                      "span": {
                        "start": 422,
                        "end": 423,
                        "ctxt": 0
                      },
                      "typeName": {
                        "type": "Identifier",
                        "span": {
                          "start": 422,
                          "end": 423,
                          "ctxt": 0
                        },
                        "value": "T",
                        "optional": false
                      },
                      "typeParams": null
                    }
                  }
                }
              }
            ],
            "decorators": [],
            "span": {
              "start": 414,
              "end": 427,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 425,
                "end": 427,
                "ctxt": 0
              },
              "stmts": []
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        }
      ],
      "superClass": {
        "type": "Identifier",
        "span": {
          "start": 369,
          "end": 370,
          "ctxt": 0
        },
        "value": "A",
        "optional": false
      },
      "isAbstract": false,
      "typeParams": {
        "type": "TsTypeParameterDeclaration",
        "span": {
          "start": 357,
          "end": 360,
          "ctxt": 0
        },
        "parameters": [
          {
            "type": "TsTypeParameter",
            "span": {
              "start": 358,
              "end": 359,
              "ctxt": 0
            },
            "name": {
              "type": "Identifier",
              "span": {
                "start": 358,
                "end": 359,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "constraint": null,
            "default": null
          }
        ]
      },
      "superTypeParams": {
        "type": "TsTypeParameterInstantiation",
        "span": {
          "start": 370,
          "end": 373,
          "ctxt": 0
        },
        "params": [
          {
            "type": "TsTypeReference",
            "span": {
              "start": 371,
              "end": 372,
              "ctxt": 0
            },
            "typeName": {
              "type": "Identifier",
              "span": {
                "start": 371,
                "end": 372,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "typeParams": null
          }
        ]
      },
      "implements": []
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 437,
          "end": 438,
          "ctxt": 0
        },
        "value": "G",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 431,
        "end": 505,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassMethod",
          "span": {
            "start": 461,
            "end": 485,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 461,
              "end": 464,
              "ctxt": 0
            },
            "value": "foo",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 461,
              "end": 485,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 467,
                "end": 485,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 469,
                    "end": 483,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "MemberExpression",
                    "span": {
                      "start": 476,
                      "end": 482,
                      "ctxt": 0
                    },
                    "object": {
                      "type": "ThisExpression",
                      "span": {
                        "start": 476,
                        "end": 480,
                        "ctxt": 0
                      }
                    },
                    "property": {
                      "type": "Identifier",
                      "span": {
                        "start": 481,
                        "end": 482,
                        "ctxt": 0
                      },
                      "value": "t",
                      "optional": false
                    }
                  }
                }
              ]
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 490,
            "end": 503,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 490,
              "end": 493,
              "ctxt": 0
            },
            "value": "bar",
            "optional": false
          },
          "function": {
            "params": [
              {
                "type": "Parameter",
                "span": {
                  "start": 494,
                  "end": 498,
                  "ctxt": 0
                },
                "decorators": [],
                "pat": {
                  "type": "Identifier",
                  "span": {
                    "start": 494,
                    "end": 498,
                    "ctxt": 0
                  },
                  "value": "t",
                  "optional": false,
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 495,
                      "end": 498,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsTypeReference",
                      "span": {
                        "start": 497,
                        "end": 498,
                        "ctxt": 0
                      },
                      "typeName": {
                        "type": "Identifier",
                        "span": {
                          "start": 497,
                          "end": 498,
                          "ctxt": 0
                        },
                        "value": "T",
                        "optional": false
                      },
                      "typeParams": null
                    }
                  }
                }
              }
            ],
            "decorators": [],
            "span": {
              "start": 490,
              "end": 503,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 500,
                "end": 503,
                "ctxt": 0
              },
              "stmts": []
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        }
      ],
      "superClass": {
        "type": "Identifier",
        "span": {
          "start": 450,
          "end": 451,
          "ctxt": 0
        },
        "value": "A",
        "optional": false
      },
      "isAbstract": false,
      "typeParams": {
        "type": "TsTypeParameterDeclaration",
        "span": {
          "start": 438,
          "end": 441,
          "ctxt": 0
        },
        "parameters": [
          {
            "type": "TsTypeParameter",
            "span": {
              "start": 439,
              "end": 440,
              "ctxt": 0
            },
            "name": {
              "type": "Identifier",
              "span": {
                "start": 439,
                "end": 440,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "constraint": null,
            "default": null
          }
        ]
      },
      "superTypeParams": {
        "type": "TsTypeParameterInstantiation",
        "span": {
          "start": 451,
          "end": 454,
          "ctxt": 0
        },
        "params": [
          {
            "type": "TsTypeReference",
            "span": {
              "start": 452,
              "end": 453,
              "ctxt": 0
            },
            "typeName": {
              "type": "Identifier",
              "span": {
                "start": 452,
                "end": 453,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "typeParams": null
          }
        ]
      },
      "implements": []
    }
  ],
  "interpreter": null
}