{
  "type": "Script",
  "span": {
    "start": 33,
    "end": 217,
    "ctxt": 0
  },
  "body": [
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 39,
          "end": 43,
          "ctxt": 0
        },
        "value": "Base",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 33,
        "end": 65,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassMethod",
          "span": {
            "start": 50,
            "end": 63,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 50,
              "end": 56,
              "ctxt": 0
            },
            "value": "method",
            "optional": true
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 50,
              "end": 63,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 60,
                "end": 63,
                "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": 73,
          "end": 80,
          "ctxt": 0
        },
        "value": "Derived",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 67,
        "end": 217,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassMethod",
          "span": {
            "start": 100,
            "end": 149,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 100,
              "end": 106,
              "ctxt": 0
            },
            "value": "method",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 100,
              "end": 149,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 109,
                "end": 149,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 119,
                    "end": 143,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "OptionalChainingExpression",
                    "span": {
                      "start": 126,
                      "end": 142,
                      "ctxt": 0
                    },
                    "questionDotToken": {
                      "start": 138,
                      "end": 139,
                      "ctxt": 0
                    },
                    "expr": {
                      "type": "CallExpression",
                      "span": {
                        "start": 126,
                        "end": 142,
                        "ctxt": 0
                      },
                      "callee": {
                        "type": "SuperPropExpression",
                        "span": {
                          "start": 126,
                          "end": 138,
                          "ctxt": 0
                        },
                        "obj": {
                          "type": "Super",
                          "span": {
                            "start": 126,
                            "end": 131,
                            "ctxt": 0
                          }
                        },
                        "property": {
                          "type": "Identifier",
                          "span": {
                            "start": 132,
                            "end": 138,
                            "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": 155,
            "end": 215,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 161,
              "end": 172,
              "ctxt": 0
            },
            "value": "asyncMethod",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 155,
              "end": 215,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 175,
                "end": 215,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 185,
                    "end": 209,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "OptionalChainingExpression",
                    "span": {
                      "start": 192,
                      "end": 208,
                      "ctxt": 0
                    },
                    "questionDotToken": {
                      "start": 204,
                      "end": 205,
                      "ctxt": 0
                    },
                    "expr": {
                      "type": "CallExpression",
                      "span": {
                        "start": 192,
                        "end": 208,
                        "ctxt": 0
                      },
                      "callee": {
                        "type": "SuperPropExpression",
                        "span": {
                          "start": 192,
                          "end": 204,
                          "ctxt": 0
                        },
                        "obj": {
                          "type": "Super",
                          "span": {
                            "start": 192,
                            "end": 197,
                            "ctxt": 0
                          }
                        },
                        "property": {
                          "type": "Identifier",
                          "span": {
                            "start": 198,
                            "end": 204,
                            "ctxt": 0
                          },
                          "value": "method",
                          "optional": false
                        }
                      },
                      "arguments": [],
                      "typeArguments": null
                    }
                  }
                }
              ]
            },
            "generator": false,
            "async": true,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        }
      ],
      "superClass": {
        "type": "Identifier",
        "span": {
          "start": 89,
          "end": 93,
          "ctxt": 0
        },
        "value": "Base",
        "optional": false
      },
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": null,
      "implements": []
    }
  ],
  "interpreter": null
}