{
  "type": "Script",
  "span": {
    "start": 68,
    "end": 1211,
    "ctxt": 0
  },
  "body": [
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 74,
          "end": 75,
          "ctxt": 0
        },
        "value": "A",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 68,
        "end": 111,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassMethod",
          "span": {
            "start": 82,
            "end": 93,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 82,
              "end": 83,
              "ctxt": 0
            },
            "value": "x",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 82,
              "end": 93,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 86,
                "end": 93,
                "ctxt": 0
              },
              "stmts": []
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 98,
            "end": 109,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 98,
              "end": 99,
              "ctxt": 0
            },
            "value": "y",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 98,
              "end": 109,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 102,
                "end": 109,
                "ctxt": 0
              },
              "stmts": []
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        }
      ],
      "superClass": null,
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": null,
      "implements": []
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 119,
          "end": 120,
          "ctxt": 0
        },
        "value": "B",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 113,
        "end": 1211,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassMethod",
          "span": {
            "start": 214,
            "end": 533,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 220,
              "end": 226,
              "ctxt": 0
            },
            "value": "simple",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 214,
              "end": 533,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 229,
                "end": 533,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ExpressionStatement",
                  "span": {
                    "start": 276,
                    "end": 286,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "CallExpression",
                    "span": {
                      "start": 276,
                      "end": 285,
                      "ctxt": 0
                    },
                    "callee": {
                      "type": "SuperPropExpression",
                      "span": {
                        "start": 276,
                        "end": 283,
                        "ctxt": 0
                      },
                      "obj": {
                        "type": "Super",
                        "span": {
                          "start": 276,
                          "end": 281,
                          "ctxt": 0
                        }
                      },
                      "property": {
                        "type": "Identifier",
                        "span": {
                          "start": 282,
                          "end": 283,
                          "ctxt": 0
                        },
                        "value": "x",
                        "optional": false
                      }
                    },
                    "arguments": [],
                    "typeArguments": null
                  }
                },
                {
                  "type": "ExpressionStatement",
                  "span": {
                    "start": 332,
                    "end": 342,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "CallExpression",
                    "span": {
                      "start": 332,
                      "end": 341,
                      "ctxt": 0
                    },
                    "callee": {
                      "type": "SuperPropExpression",
                      "span": {
                        "start": 332,
                        "end": 339,
                        "ctxt": 0
                      },
                      "obj": {
                        "type": "Super",
                        "span": {
                          "start": 332,
                          "end": 337,
                          "ctxt": 0
                        }
                      },
                      "property": {
                        "type": "Identifier",
                        "span": {
                          "start": 338,
                          "end": 339,
                          "ctxt": 0
                        },
                        "value": "y",
                        "optional": false
                      }
                    },
                    "arguments": [],
                    "typeArguments": null
                  }
                },
                {
                  "type": "ExpressionStatement",
                  "span": {
                    "start": 388,
                    "end": 401,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "CallExpression",
                    "span": {
                      "start": 388,
                      "end": 400,
                      "ctxt": 0
                    },
                    "callee": {
                      "type": "SuperPropExpression",
                      "span": {
                        "start": 388,
                        "end": 398,
                        "ctxt": 0
                      },
                      "obj": {
                        "type": "Super",
                        "span": {
                          "start": 388,
                          "end": 393,
                          "ctxt": 0
                        }
                      },
                      "property": {
                        "type": "Computed",
                        "span": {
                          "start": 393,
                          "end": 398,
                          "ctxt": 0
                        },
                        "expression": {
                          "type": "StringLiteral",
                          "span": {
                            "start": 394,
                            "end": 397,
                            "ctxt": 0
                          },
                          "value": "x",
                          "hasEscape": false,
                          "kind": {
                            "type": "normal",
                            "containsQuote": true
                          }
                        }
                      }
                    },
                    "arguments": [],
                    "typeArguments": null
                  }
                },
                {
                  "type": "VariableDeclaration",
                  "span": {
                    "start": 445,
                    "end": 463,
                    "ctxt": 0
                  },
                  "kind": "const",
                  "declare": false,
                  "declarations": [
                    {
                      "type": "VariableDeclarator",
                      "span": {
                        "start": 451,
                        "end": 462,
                        "ctxt": 0
                      },
                      "id": {
                        "type": "Identifier",
                        "span": {
                          "start": 451,
                          "end": 452,
                          "ctxt": 0
                        },
                        "value": "a",
                        "optional": false,
                        "typeAnnotation": null
                      },
                      "init": {
                        "type": "SuperPropExpression",
                        "span": {
                          "start": 455,
                          "end": 462,
                          "ctxt": 0
                        },
                        "obj": {
                          "type": "Super",
                          "span": {
                            "start": 455,
                            "end": 460,
                            "ctxt": 0
                          }
                        },
                        "property": {
                          "type": "Identifier",
                          "span": {
                            "start": 461,
                            "end": 462,
                            "ctxt": 0
                          },
                          "value": "x",
                          "optional": false
                        }
                      },
                      "definite": false
                    }
                  ]
                },
                {
                  "type": "VariableDeclaration",
                  "span": {
                    "start": 506,
                    "end": 527,
                    "ctxt": 0
                  },
                  "kind": "const",
                  "declare": false,
                  "declarations": [
                    {
                      "type": "VariableDeclarator",
                      "span": {
                        "start": 512,
                        "end": 526,
                        "ctxt": 0
                      },
                      "id": {
                        "type": "Identifier",
                        "span": {
                          "start": 512,
                          "end": 513,
                          "ctxt": 0
                        },
                        "value": "b",
                        "optional": false,
                        "typeAnnotation": null
                      },
                      "init": {
                        "type": "SuperPropExpression",
                        "span": {
                          "start": 516,
                          "end": 526,
                          "ctxt": 0
                        },
                        "obj": {
                          "type": "Super",
                          "span": {
                            "start": 516,
                            "end": 521,
                            "ctxt": 0
                          }
                        },
                        "property": {
                          "type": "Computed",
                          "span": {
                            "start": 521,
                            "end": 526,
                            "ctxt": 0
                          },
                          "expression": {
                            "type": "StringLiteral",
                            "span": {
                              "start": 522,
                              "end": 525,
                              "ctxt": 0
                            },
                            "value": "x",
                            "hasEscape": false,
                            "kind": {
                              "type": "normal",
                              "containsQuote": true
                            }
                          }
                        }
                      },
                      "definite": false
                    }
                  ]
                }
              ]
            },
            "generator": false,
            "async": true,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 619,
            "end": 1209,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 625,
              "end": 633,
              "ctxt": 0
            },
            "value": "advanced",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 619,
              "end": 1209,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 636,
                "end": 1209,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "VariableDeclaration",
                  "span": {
                    "start": 646,
                    "end": 665,
                    "ctxt": 0
                  },
                  "kind": "const",
                  "declare": false,
                  "declarations": [
                    {
                      "type": "VariableDeclarator",
                      "span": {
                        "start": 652,
                        "end": 664,
                        "ctxt": 0
                      },
                      "id": {
                        "type": "Identifier",
                        "span": {
                          "start": 652,
                          "end": 653,
                          "ctxt": 0
                        },
                        "value": "f",
                        "optional": false,
                        "typeAnnotation": null
                      },
                      "init": {
                        "type": "ArrowFunctionExpression",
                        "span": {
                          "start": 656,
                          "end": 664,
                          "ctxt": 0
                        },
                        "params": [],
                        "body": {
                          "type": "BlockStatement",
                          "span": {
                            "start": 662,
                            "end": 664,
                            "ctxt": 0
                          },
                          "stmts": []
                        },
                        "async": false,
                        "generator": false,
                        "typeParameters": null,
                        "returnType": null
                      },
                      "definite": false
                    }
                  ]
                },
                {
                  "type": "ExpressionStatement",
                  "span": {
                    "start": 712,
                    "end": 722,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "CallExpression",
                    "span": {
                      "start": 712,
                      "end": 721,
                      "ctxt": 0
                    },
                    "callee": {
                      "type": "SuperPropExpression",
                      "span": {
                        "start": 712,
                        "end": 719,
                        "ctxt": 0
                      },
                      "obj": {
                        "type": "Super",
                        "span": {
                          "start": 712,
                          "end": 717,
                          "ctxt": 0
                        }
                      },
                      "property": {
                        "type": "Identifier",
                        "span": {
                          "start": 718,
                          "end": 719,
                          "ctxt": 0
                        },
                        "value": "x",
                        "optional": false
                      }
                    },
                    "arguments": [],
                    "typeArguments": null
                  }
                },
                {
                  "type": "ExpressionStatement",
                  "span": {
                    "start": 768,
                    "end": 781,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "CallExpression",
                    "span": {
                      "start": 768,
                      "end": 780,
                      "ctxt": 0
                    },
                    "callee": {
                      "type": "SuperPropExpression",
                      "span": {
                        "start": 768,
                        "end": 778,
                        "ctxt": 0
                      },
                      "obj": {
                        "type": "Super",
                        "span": {
                          "start": 768,
                          "end": 773,
                          "ctxt": 0
                        }
                      },
                      "property": {
                        "type": "Computed",
                        "span": {
                          "start": 773,
                          "end": 778,
                          "ctxt": 0
                        },
                        "expression": {
                          "type": "StringLiteral",
                          "span": {
                            "start": 774,
                            "end": 777,
                            "ctxt": 0
                          },
                          "value": "x",
                          "hasEscape": false,
                          "kind": {
                            "type": "normal",
                            "containsQuote": true
                          }
                        }
                      }
                    },
                    "arguments": [],
                    "typeArguments": null
                  }
                },
                {
                  "type": "VariableDeclaration",
                  "span": {
                    "start": 825,
                    "end": 843,
                    "ctxt": 0
                  },
                  "kind": "const",
                  "declare": false,
                  "declarations": [
                    {
                      "type": "VariableDeclarator",
                      "span": {
                        "start": 831,
                        "end": 842,
                        "ctxt": 0
                      },
                      "id": {
                        "type": "Identifier",
                        "span": {
                          "start": 831,
                          "end": 832,
                          "ctxt": 0
                        },
                        "value": "a",
                        "optional": false,
                        "typeAnnotation": null
                      },
                      "init": {
                        "type": "SuperPropExpression",
                        "span": {
                          "start": 835,
                          "end": 842,
                          "ctxt": 0
                        },
                        "obj": {
                          "type": "Super",
                          "span": {
                            "start": 835,
                            "end": 840,
                            "ctxt": 0
                          }
                        },
                        "property": {
                          "type": "Identifier",
                          "span": {
                            "start": 841,
                            "end": 842,
                            "ctxt": 0
                          },
                          "value": "x",
                          "optional": false
                        }
                      },
                      "definite": false
                    }
                  ]
                },
                {
                  "type": "VariableDeclaration",
                  "span": {
                    "start": 886,
                    "end": 907,
                    "ctxt": 0
                  },
                  "kind": "const",
                  "declare": false,
                  "declarations": [
                    {
                      "type": "VariableDeclarator",
                      "span": {
                        "start": 892,
                        "end": 906,
                        "ctxt": 0
                      },
                      "id": {
                        "type": "Identifier",
                        "span": {
                          "start": 892,
                          "end": 893,
                          "ctxt": 0
                        },
                        "value": "b",
                        "optional": false,
                        "typeAnnotation": null
                      },
                      "init": {
                        "type": "SuperPropExpression",
                        "span": {
                          "start": 896,
                          "end": 906,
                          "ctxt": 0
                        },
                        "obj": {
                          "type": "Super",
                          "span": {
                            "start": 896,
                            "end": 901,
                            "ctxt": 0
                          }
                        },
                        "property": {
                          "type": "Computed",
                          "span": {
                            "start": 901,
                            "end": 906,
                            "ctxt": 0
                          },
                          "expression": {
                            "type": "StringLiteral",
                            "span": {
                              "start": 902,
                              "end": 905,
                              "ctxt": 0
                            },
                            "value": "x",
                            "hasEscape": false,
                            "kind": {
                              "type": "normal",
                              "containsQuote": true
                            }
                          }
                        }
                      },
                      "definite": false
                    }
                  ]
                },
                {
                  "type": "ExpressionStatement",
                  "span": {
                    "start": 953,
                    "end": 965,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "AssignmentExpression",
                    "span": {
                      "start": 953,
                      "end": 964,
                      "ctxt": 0
                    },
                    "operator": "=",
                    "left": {
                      "type": "SuperPropExpression",
                      "span": {
                        "start": 953,
                        "end": 960,
                        "ctxt": 0
                      },
                      "obj": {
                        "type": "Super",
                        "span": {
                          "start": 953,
                          "end": 958,
                          "ctxt": 0
                        }
                      },
                      "property": {
                        "type": "Identifier",
                        "span": {
                          "start": 959,
                          "end": 960,
                          "ctxt": 0
                        },
                        "value": "x",
                        "optional": false
                      }
                    },
                    "right": {
                      "type": "Identifier",
                      "span": {
                        "start": 963,
                        "end": 964,
                        "ctxt": 0
                      },
                      "value": "f",
                      "optional": false
                    }
                  }
                },
                {
                  "type": "ExpressionStatement",
                  "span": {
                    "start": 1010,
                    "end": 1025,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "AssignmentExpression",
                    "span": {
                      "start": 1010,
                      "end": 1024,
                      "ctxt": 0
                    },
                    "operator": "=",
                    "left": {
                      "type": "SuperPropExpression",
                      "span": {
                        "start": 1010,
                        "end": 1020,
                        "ctxt": 0
                      },
                      "obj": {
                        "type": "Super",
                        "span": {
                          "start": 1010,
                          "end": 1015,
                          "ctxt": 0
                        }
                      },
                      "property": {
                        "type": "Computed",
                        "span": {
                          "start": 1015,
                          "end": 1020,
                          "ctxt": 0
                        },
                        "expression": {
                          "type": "StringLiteral",
                          "span": {
                            "start": 1016,
                            "end": 1019,
                            "ctxt": 0
                          },
                          "value": "x",
                          "hasEscape": false,
                          "kind": {
                            "type": "normal",
                            "containsQuote": true
                          }
                        }
                      }
                    },
                    "right": {
                      "type": "Identifier",
                      "span": {
                        "start": 1023,
                        "end": 1024,
                        "ctxt": 0
                      },
                      "value": "f",
                      "optional": false
                    }
                  }
                },
                {
                  "type": "ExpressionStatement",
                  "span": {
                    "start": 1088,
                    "end": 1113,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "ParenthesisExpression",
                    "span": {
                      "start": 1088,
                      "end": 1112,
                      "ctxt": 0
                    },
                    "expression": {
                      "type": "AssignmentExpression",
                      "span": {
                        "start": 1089,
                        "end": 1111,
                        "ctxt": 0
                      },
                      "operator": "=",
                      "left": {
                        "type": "ObjectPattern",
                        "span": {
                          "start": 1089,
                          "end": 1103,
                          "ctxt": 0
                        },
                        "properties": [
                          {
                            "type": "KeyValuePatternProperty",
                            "key": {
                              "type": "Identifier",
                              "span": {
                                "start": 1091,
                                "end": 1092,
                                "ctxt": 0
                              },
                              "value": "f",
                              "optional": false
                            },
                            "value": {
                              "type": "SuperPropExpression",
                              "span": {
                                "start": 1094,
                                "end": 1101,
                                "ctxt": 0
                              },
                              "obj": {
                                "type": "Super",
                                "span": {
                                  "start": 1094,
                                  "end": 1099,
                                  "ctxt": 0
                                }
                              },
                              "property": {
                                "type": "Identifier",
                                "span": {
                                  "start": 1100,
                                  "end": 1101,
                                  "ctxt": 0
                                },
                                "value": "x",
                                "optional": false
                              }
                            }
                          }
                        ],
                        "optional": false,
                        "typeAnnotation": null
                      },
                      "right": {
                        "type": "ObjectExpression",
                        "span": {
                          "start": 1106,
                          "end": 1111,
                          "ctxt": 0
                        },
                        "properties": [
                          {
                            "type": "Identifier",
                            "span": {
                              "start": 1108,
                              "end": 1109,
                              "ctxt": 0
                            },
                            "value": "f",
                            "optional": false
                          }
                        ]
                      }
                    }
                  }
                },
                {
                  "type": "ExpressionStatement",
                  "span": {
                    "start": 1175,
                    "end": 1203,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "ParenthesisExpression",
                    "span": {
                      "start": 1175,
                      "end": 1202,
                      "ctxt": 0
                    },
                    "expression": {
                      "type": "AssignmentExpression",
                      "span": {
                        "start": 1176,
                        "end": 1201,
                        "ctxt": 0
                      },
                      "operator": "=",
                      "left": {
                        "type": "ObjectPattern",
                        "span": {
                          "start": 1176,
                          "end": 1193,
                          "ctxt": 0
                        },
                        "properties": [
                          {
                            "type": "KeyValuePatternProperty",
                            "key": {
                              "type": "Identifier",
                              "span": {
                                "start": 1178,
                                "end": 1179,
                                "ctxt": 0
                              },
                              "value": "f",
                              "optional": false
                            },
                            "value": {
                              "type": "SuperPropExpression",
                              "span": {
                                "start": 1181,
                                "end": 1191,
                                "ctxt": 0
                              },
                              "obj": {
                                "type": "Super",
                                "span": {
                                  "start": 1181,
                                  "end": 1186,
                                  "ctxt": 0
                                }
                              },
                              "property": {
                                "type": "Computed",
                                "span": {
                                  "start": 1186,
                                  "end": 1191,
                                  "ctxt": 0
                                },
                                "expression": {
                                  "type": "StringLiteral",
                                  "span": {
                                    "start": 1187,
                                    "end": 1190,
                                    "ctxt": 0
                                  },
                                  "value": "x",
                                  "hasEscape": false,
                                  "kind": {
                                    "type": "normal",
                                    "containsQuote": true
                                  }
                                }
                              }
                            }
                          }
                        ],
                        "optional": false,
                        "typeAnnotation": null
                      },
                      "right": {
                        "type": "ObjectExpression",
                        "span": {
                          "start": 1196,
                          "end": 1201,
                          "ctxt": 0
                        },
                        "properties": [
                          {
                            "type": "Identifier",
                            "span": {
                              "start": 1198,
                              "end": 1199,
                              "ctxt": 0
                            },
                            "value": "f",
                            "optional": false
                          }
                        ]
                      }
                    }
                  }
                }
              ]
            },
            "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": 129,
          "end": 130,
          "ctxt": 0
        },
        "value": "A",
        "optional": false
      },
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": null,
      "implements": []
    }
  ],
  "interpreter": null
}