{
  "type": "Script",
  "span": {
    "start": 0,
    "end": 252,
    "ctxt": 0
  },
  "body": [
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 0,
        "end": 23,
        "ctxt": 0
      },
      "kind": "var",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 4,
            "end": 23,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 4,
              "end": 5,
              "ctxt": 0
            },
            "value": "x",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 5,
                "end": 23,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeLiteral",
                "span": {
                  "start": 7,
                  "end": 23,
                  "ctxt": 0
                },
                "members": [
                  {
                    "type": "TsPropertySignature",
                    "span": {
                      "start": 9,
                      "end": 21,
                      "ctxt": 0
                    },
                    "readonly": false,
                    "key": {
                      "type": "Identifier",
                      "span": {
                        "start": 9,
                        "end": 12,
                        "ctxt": 0
                      },
                      "value": "foo",
                      "optional": false
                    },
                    "computed": false,
                    "optional": false,
                    "init": null,
                    "params": [],
                    "typeAnnotation": {
                      "type": "TsTypeAnnotation",
                      "span": {
                        "start": 12,
                        "end": 20,
                        "ctxt": 0
                      },
                      "typeAnnotation": {
                        "type": "TsKeywordType",
                        "span": {
                          "start": 14,
                          "end": 20,
                          "ctxt": 0
                        },
                        "kind": "string"
                      }
                    },
                    "typeParams": null
                  }
                ]
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 24,
        "end": 60,
        "ctxt": 0
      },
      "kind": "var",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 28,
            "end": 60,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 28,
              "end": 29,
              "ctxt": 0
            },
            "value": "y",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 29,
                "end": 60,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeLiteral",
                "span": {
                  "start": 31,
                  "end": 60,
                  "ctxt": 0
                },
                "members": [
                  {
                    "type": "TsPropertySignature",
                    "span": {
                      "start": 33,
                      "end": 45,
                      "ctxt": 0
                    },
                    "readonly": false,
                    "key": {
                      "type": "Identifier",
                      "span": {
                        "start": 33,
                        "end": 36,
                        "ctxt": 0
                      },
                      "value": "foo",
                      "optional": false
                    },
                    "computed": false,
                    "optional": false,
                    "init": null,
                    "params": [],
                    "typeAnnotation": {
                      "type": "TsTypeAnnotation",
                      "span": {
                        "start": 36,
                        "end": 44,
                        "ctxt": 0
                      },
                      "typeAnnotation": {
                        "type": "TsKeywordType",
                        "span": {
                          "start": 38,
                          "end": 44,
                          "ctxt": 0
                        },
                        "kind": "string"
                      }
                    },
                    "typeParams": null
                  },
                  {
                    "type": "TsPropertySignature",
                    "span": {
                      "start": 46,
                      "end": 58,
                      "ctxt": 0
                    },
                    "readonly": false,
                    "key": {
                      "type": "Identifier",
                      "span": {
                        "start": 46,
                        "end": 49,
                        "ctxt": 0
                      },
                      "value": "bar",
                      "optional": false
                    },
                    "computed": false,
                    "optional": false,
                    "init": null,
                    "params": [],
                    "typeAnnotation": {
                      "type": "TsTypeAnnotation",
                      "span": {
                        "start": 49,
                        "end": 57,
                        "ctxt": 0
                      },
                      "typeAnnotation": {
                        "type": "TsKeywordType",
                        "span": {
                          "start": 51,
                          "end": 57,
                          "ctxt": 0
                        },
                        "kind": "string"
                      }
                    },
                    "typeParams": null
                  }
                ]
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 68,
          "end": 72,
          "ctxt": 0
        },
        "value": "Base",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 62,
        "end": 103,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassProperty",
          "span": {
            "start": 79,
            "end": 101,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 89,
              "end": 90,
              "ctxt": 0
            },
            "value": "a",
            "optional": false
          },
          "value": null,
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 90,
              "end": 100,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsTypeQuery",
              "span": {
                "start": 92,
                "end": 100,
                "ctxt": 0
              },
              "exprName": {
                "type": "Identifier",
                "span": {
                  "start": 99,
                  "end": 100,
                  "ctxt": 0
                },
                "value": "x",
                "optional": false
              },
              "typeArguments": null
            }
          },
          "isStatic": false,
          "decorators": [],
          "accessibility": "protected",
          "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": 111,
          "end": 119,
          "ctxt": 0
        },
        "value": "Derived1",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 105,
        "end": 160,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassProperty",
          "span": {
            "start": 139,
            "end": 158,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 146,
              "end": 147,
              "ctxt": 0
            },
            "value": "a",
            "optional": false
          },
          "value": null,
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 147,
              "end": 157,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsTypeQuery",
              "span": {
                "start": 149,
                "end": 157,
                "ctxt": 0
              },
              "exprName": {
                "type": "Identifier",
                "span": {
                  "start": 156,
                  "end": 157,
                  "ctxt": 0
                },
                "value": "x",
                "optional": false
              },
              "typeArguments": null
            }
          },
          "isStatic": false,
          "decorators": [],
          "accessibility": "public",
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        }
      ],
      "superClass": {
        "type": "Identifier",
        "span": {
          "start": 128,
          "end": 132,
          "ctxt": 0
        },
        "value": "Base",
        "optional": false
      },
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": null,
      "implements": []
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 168,
          "end": 176,
          "ctxt": 0
        },
        "value": "Derived2",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 162,
        "end": 252,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassProperty",
          "span": {
            "start": 200,
            "end": 222,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 210,
              "end": 211,
              "ctxt": 0
            },
            "value": "a",
            "optional": false
          },
          "value": null,
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 211,
              "end": 221,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsTypeQuery",
              "span": {
                "start": 213,
                "end": 221,
                "ctxt": 0
              },
              "exprName": {
                "type": "Identifier",
                "span": {
                  "start": 220,
                  "end": 221,
                  "ctxt": 0
                },
                "value": "x",
                "optional": false
              },
              "typeArguments": null
            }
          },
          "isStatic": false,
          "decorators": [],
          "accessibility": "protected",
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        }
      ],
      "superClass": {
        "type": "Identifier",
        "span": {
          "start": 185,
          "end": 193,
          "ctxt": 0
        },
        "value": "Derived1",
        "optional": false
      },
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": null,
      "implements": []
    }
  ],
  "interpreter": null
}