{
  "type": "Script",
  "span": {
    "start": 77,
    "end": 224,
    "ctxt": 0
  },
  "body": [
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 83,
          "end": 87,
          "ctxt": 0
        },
        "value": "Base",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 77,
        "end": 104,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassMethod",
          "span": {
            "start": 90,
            "end": 102,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 90,
              "end": 96,
              "ctxt": 0
            },
            "value": "method",
            "optional": true
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 90,
              "end": 102,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 100,
                "end": 102,
                "ctxt": 0
              },
              "stmts": []
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": true,
          "isOverride": false
        }
      ],
      "superClass": null,
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": null,
      "implements": []
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 111,
          "end": 118,
          "ctxt": 0
        },
        "value": "Derived",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 105,
        "end": 224,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassMethod",
          "span": {
            "start": 138,
            "end": 176,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 138,
              "end": 145,
              "ctxt": 0
            },
            "value": "method1",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 138,
              "end": 176,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 148,
                "end": 176,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 150,
                    "end": 174,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "OptionalChainingExpression",
                    "span": {
                      "start": 157,
                      "end": 173,
                      "ctxt": 0
                    },
                    "questionDotToken": {
                      "start": 169,
                      "end": 170,
                      "ctxt": 0
                    },
                    "base": {
                      "type": "CallExpression",
                      "span": {
                        "start": 157,
                        "end": 173,
                        "ctxt": 0
                      },
                      "callee": {
                        "type": "SuperPropExpression",
                        "span": {
                          "start": 157,
                          "end": 169,
                          "ctxt": 0
                        },
                        "obj": {
                          "type": "Super",
                          "span": {
                            "start": 157,
                            "end": 162,
                            "ctxt": 0
                          }
                        },
                        "property": {
                          "type": "Identifier",
                          "span": {
                            "start": 163,
                            "end": 169,
                            "ctxt": 0
                          },
                          "value": "method",
                          "optional": false
                        }
                      },
                      "arguments": [],
                      "typeArguments": null
                    }
                  }
                }
              ]
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 181,
            "end": 222,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 181,
              "end": 188,
              "ctxt": 0
            },
            "value": "method2",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 181,
              "end": 222,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 191,
                "end": 222,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 193,
                    "end": 220,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "OptionalChainingExpression",
                    "span": {
                      "start": 200,
                      "end": 219,
                      "ctxt": 0
                    },
                    "questionDotToken": {
                      "start": 215,
                      "end": 216,
                      "ctxt": 0
                    },
                    "base": {
                      "type": "CallExpression",
                      "span": {
                        "start": 200,
                        "end": 219,
                        "ctxt": 0
                      },
                      "callee": {
                        "type": "SuperPropExpression",
                        "span": {
                          "start": 200,
                          "end": 215,
                          "ctxt": 0
                        },
                        "obj": {
                          "type": "Super",
                          "span": {
                            "start": 200,
                            "end": 205,
                            "ctxt": 0
                          }
                        },
                        "property": {
                          "type": "Computed",
                          "span": {
                            "start": 205,
                            "end": 215,
                            "ctxt": 0
                          },
                          "expression": {
                            "type": "StringLiteral",
                            "span": {
                              "start": 206,
                              "end": 214,
                              "ctxt": 0
                            },
                            "value": "method",
                            "hasEscape": false,
                            "kind": {
                              "type": "normal",
                              "containsQuote": true
                            }
                          }
                        }
                      },
                      "arguments": [],
                      "typeArguments": null
                    }
                  }
                }
              ]
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        }
      ],
      "superClass": {
        "type": "Identifier",
        "span": {
          "start": 127,
          "end": 131,
          "ctxt": 0
        },
        "value": "Base",
        "optional": false
      },
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": null,
      "implements": []
    }
  ],
  "interpreter": null
}