{
  "type": "Script",
  "span": {
    "start": 98,
    "end": 1070,
    "ctxt": 0
  },
  "body": [
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 112,
          "end": 113,
          "ctxt": 0
        },
        "value": "B",
        "optional": false
      },
      "declare": true,
      "span": {
        "start": 98,
        "end": 192,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassProperty",
          "span": {
            "start": 120,
            "end": 134,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 127,
              "end": 128,
              "ctxt": 0
            },
            "value": "a",
            "optional": false
          },
          "value": null,
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 128,
              "end": 133,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsKeywordType",
              "span": {
                "start": 130,
                "end": 133,
                "ctxt": 0
              },
              "kind": "any"
            }
          },
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 139,
            "end": 158,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 146,
              "end": 147,
              "ctxt": 0
            },
            "value": "f",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 139,
              "end": 158,
              "ctxt": 0
            },
            "body": null,
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 149,
                "end": 157,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 151,
                  "end": 157,
                  "ctxt": 0
                },
                "kind": "number"
              }
            }
          },
          "kind": "method",
          "isStatic": true,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 163,
            "end": 173,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 163,
              "end": 164,
              "ctxt": 0
            },
            "value": "a",
            "optional": false
          },
          "value": null,
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 164,
              "end": 172,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsKeywordType",
              "span": {
                "start": 166,
                "end": 172,
                "ctxt": 0
              },
              "kind": "number"
            }
          },
          "isStatic": false,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 178,
            "end": 190,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 178,
              "end": 179,
              "ctxt": 0
            },
            "value": "f",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 178,
              "end": 190,
              "ctxt": 0
            },
            "body": null,
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 181,
                "end": 189,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 183,
                  "end": 189,
                  "ctxt": 0
                },
                "kind": "number"
              }
            }
          },
          "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": 200,
          "end": 201,
          "ctxt": 0
        },
        "value": "C",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 194,
        "end": 1070,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassProperty",
          "span": {
            "start": 218,
            "end": 245,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 225,
              "end": 226,
              "ctxt": 0
            },
            "value": "x",
            "optional": false
          },
          "value": {
            "type": "TsNonNullExpression",
            "span": {
              "start": 234,
              "end": 244,
              "ctxt": 0
            },
            "expression": {
              "type": "Identifier",
              "span": {
                "start": 234,
                "end": 243,
                "ctxt": 0
              },
              "value": "undefined",
              "optional": false
            }
          },
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 226,
              "end": 231,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsKeywordType",
              "span": {
                "start": 228,
                "end": 231,
                "ctxt": 0
              },
              "kind": "any"
            }
          },
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 250,
            "end": 269,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 257,
              "end": 259,
              "ctxt": 0
            },
            "value": "y1",
            "optional": false
          },
          "value": {
            "type": "MemberExpression",
            "span": {
              "start": 262,
              "end": 268,
              "ctxt": 0
            },
            "object": {
              "type": "ThisExpression",
              "span": {
                "start": 262,
                "end": 266,
                "ctxt": 0
              }
            },
            "property": {
              "type": "Identifier",
              "span": {
                "start": 267,
                "end": 268,
                "ctxt": 0
              },
              "value": "x",
              "optional": false
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 274,
            "end": 295,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 281,
              "end": 283,
              "ctxt": 0
            },
            "value": "y2",
            "optional": false
          },
          "value": {
            "type": "CallExpression",
            "span": {
              "start": 286,
              "end": 294,
              "ctxt": 0
            },
            "callee": {
              "type": "MemberExpression",
              "span": {
                "start": 286,
                "end": 292,
                "ctxt": 0
              },
              "object": {
                "type": "ThisExpression",
                "span": {
                  "start": 286,
                  "end": 290,
                  "ctxt": 0
                }
              },
              "property": {
                "type": "Identifier",
                "span": {
                  "start": 291,
                  "end": 292,
                  "ctxt": 0
                },
                "value": "x",
                "optional": false
              }
            },
            "arguments": [],
            "typeArguments": null
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 300,
            "end": 322,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 307,
              "end": 309,
              "ctxt": 0
            },
            "value": "y3",
            "optional": false
          },
          "value": {
            "type": "CallExpression",
            "span": {
              "start": 312,
              "end": 321,
              "ctxt": 0
            },
            "callee": {
              "type": "OptionalChainingExpression",
              "span": {
                "start": 312,
                "end": 319,
                "ctxt": 0
              },
              "questionDotToken": {
                "start": 316,
                "end": 317,
                "ctxt": 0
              },
              "base": {
                "type": "MemberExpression",
                "span": {
                  "start": 312,
                  "end": 319,
                  "ctxt": 0
                },
                "object": {
                  "type": "ThisExpression",
                  "span": {
                    "start": 312,
                    "end": 316,
                    "ctxt": 0
                  }
                },
                "property": {
                  "type": "Identifier",
                  "span": {
                    "start": 318,
                    "end": 319,
                    "ctxt": 0
                  },
                  "value": "x",
                  "optional": false
                }
              }
            },
            "arguments": [],
            "typeArguments": null
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 327,
            "end": 353,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 334,
              "end": 336,
              "ctxt": 0
            },
            "value": "y4",
            "optional": false
          },
          "value": {
            "type": "CallExpression",
            "span": {
              "start": 339,
              "end": 352,
              "ctxt": 0
            },
            "callee": {
              "type": "MemberExpression",
              "span": {
                "start": 339,
                "end": 350,
                "ctxt": 0
              },
              "object": {
                "type": "ThisExpression",
                "span": {
                  "start": 339,
                  "end": 343,
                  "ctxt": 0
                }
              },
              "property": {
                "type": "Computed",
                "span": {
                  "start": 343,
                  "end": 350,
                  "ctxt": 0
                },
                "expression": {
                  "type": "ParenthesisExpression",
                  "span": {
                    "start": 344,
                    "end": 349,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "StringLiteral",
                    "span": {
                      "start": 345,
                      "end": 348,
                      "ctxt": 0
                    },
                    "value": "x",
                    "raw": "\"x\""
                  }
                }
              }
            },
            "arguments": [],
            "typeArguments": null
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 358,
            "end": 386,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 365,
              "end": 367,
              "ctxt": 0
            },
            "value": "y5",
            "optional": false
          },
          "value": {
            "type": "CallExpression",
            "span": {
              "start": 370,
              "end": 385,
              "ctxt": 0
            },
            "callee": {
              "type": "OptionalChainingExpression",
              "span": {
                "start": 370,
                "end": 383,
                "ctxt": 0
              },
              "questionDotToken": {
                "start": 374,
                "end": 375,
                "ctxt": 0
              },
              "base": {
                "type": "MemberExpression",
                "span": {
                  "start": 370,
                  "end": 383,
                  "ctxt": 0
                },
                "object": {
                  "type": "ThisExpression",
                  "span": {
                    "start": 370,
                    "end": 374,
                    "ctxt": 0
                  }
                },
                "property": {
                  "type": "Computed",
                  "span": {
                    "start": 376,
                    "end": 383,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "ParenthesisExpression",
                    "span": {
                      "start": 377,
                      "end": 382,
                      "ctxt": 0
                    },
                    "expression": {
                      "type": "StringLiteral",
                      "span": {
                        "start": 378,
                        "end": 381,
                        "ctxt": 0
                      },
                      "value": "x",
                      "raw": "\"x\""
                    }
                  }
                }
              }
            },
            "arguments": [],
            "typeArguments": null
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 391,
            "end": 411,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 398,
              "end": 400,
              "ctxt": 0
            },
            "value": "z1",
            "optional": false
          },
          "value": {
            "type": "SuperPropExpression",
            "span": {
              "start": 403,
              "end": 410,
              "ctxt": 0
            },
            "obj": {
              "type": "Super",
              "span": {
                "start": 403,
                "end": 408,
                "ctxt": 0
              }
            },
            "property": {
              "type": "Identifier",
              "span": {
                "start": 409,
                "end": 410,
                "ctxt": 0
              },
              "value": "a",
              "optional": false
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 416,
            "end": 439,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 423,
              "end": 425,
              "ctxt": 0
            },
            "value": "z2",
            "optional": false
          },
          "value": {
            "type": "SuperPropExpression",
            "span": {
              "start": 428,
              "end": 438,
              "ctxt": 0
            },
            "obj": {
              "type": "Super",
              "span": {
                "start": 428,
                "end": 433,
                "ctxt": 0
              }
            },
            "property": {
              "type": "Computed",
              "span": {
                "start": 433,
                "end": 438,
                "ctxt": 0
              },
              "expression": {
                "type": "StringLiteral",
                "span": {
                  "start": 434,
                  "end": 437,
                  "ctxt": 0
                },
                "value": "a",
                "raw": "\"a\""
              }
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 444,
            "end": 466,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 451,
              "end": 453,
              "ctxt": 0
            },
            "value": "z3",
            "optional": false
          },
          "value": {
            "type": "CallExpression",
            "span": {
              "start": 456,
              "end": 465,
              "ctxt": 0
            },
            "callee": {
              "type": "SuperPropExpression",
              "span": {
                "start": 456,
                "end": 463,
                "ctxt": 0
              },
              "obj": {
                "type": "Super",
                "span": {
                  "start": 456,
                  "end": 461,
                  "ctxt": 0
                }
              },
              "property": {
                "type": "Identifier",
                "span": {
                  "start": 462,
                  "end": 463,
                  "ctxt": 0
                },
                "value": "f",
                "optional": false
              }
            },
            "arguments": [],
            "typeArguments": null
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 471,
            "end": 496,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 478,
              "end": 480,
              "ctxt": 0
            },
            "value": "z4",
            "optional": false
          },
          "value": {
            "type": "CallExpression",
            "span": {
              "start": 483,
              "end": 495,
              "ctxt": 0
            },
            "callee": {
              "type": "SuperPropExpression",
              "span": {
                "start": 483,
                "end": 493,
                "ctxt": 0
              },
              "obj": {
                "type": "Super",
                "span": {
                  "start": 483,
                  "end": 488,
                  "ctxt": 0
                }
              },
              "property": {
                "type": "Computed",
                "span": {
                  "start": 488,
                  "end": 493,
                  "ctxt": 0
                },
                "expression": {
                  "type": "StringLiteral",
                  "span": {
                    "start": 489,
                    "end": 492,
                    "ctxt": 0
                  },
                  "value": "f",
                  "raw": "\"f\""
                }
              }
            },
            "arguments": [],
            "typeArguments": null
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 501,
            "end": 525,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 508,
              "end": 510,
              "ctxt": 0
            },
            "value": "z5",
            "optional": false
          },
          "value": {
            "type": "AssignmentExpression",
            "span": {
              "start": 513,
              "end": 524,
              "ctxt": 0
            },
            "operator": "=",
            "left": {
              "type": "SuperPropExpression",
              "span": {
                "start": 513,
                "end": 520,
                "ctxt": 0
              },
              "obj": {
                "type": "Super",
                "span": {
                  "start": 513,
                  "end": 518,
                  "ctxt": 0
                }
              },
              "property": {
                "type": "Identifier",
                "span": {
                  "start": 519,
                  "end": 520,
                  "ctxt": 0
                },
                "value": "a",
                "optional": false
              }
            },
            "right": {
              "type": "NumericLiteral",
              "span": {
                "start": 523,
                "end": 524,
                "ctxt": 0
              },
              "value": 0.0
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 530,
            "end": 555,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 537,
              "end": 539,
              "ctxt": 0
            },
            "value": "z6",
            "optional": false
          },
          "value": {
            "type": "AssignmentExpression",
            "span": {
              "start": 542,
              "end": 554,
              "ctxt": 0
            },
            "operator": "+=",
            "left": {
              "type": "SuperPropExpression",
              "span": {
                "start": 542,
                "end": 549,
                "ctxt": 0
              },
              "obj": {
                "type": "Super",
                "span": {
                  "start": 542,
                  "end": 547,
                  "ctxt": 0
                }
              },
              "property": {
                "type": "Identifier",
                "span": {
                  "start": 548,
                  "end": 549,
                  "ctxt": 0
                },
                "value": "a",
                "optional": false
              }
            },
            "right": {
              "type": "NumericLiteral",
              "span": {
                "start": 553,
                "end": 554,
                "ctxt": 0
              },
              "value": 1.0
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 560,
            "end": 599,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 567,
              "end": 569,
              "ctxt": 0
            },
            "value": "z7",
            "optional": false
          },
          "value": {
            "type": "CallExpression",
            "span": {
              "start": 572,
              "end": 598,
              "ctxt": 0
            },
            "callee": {
              "type": "ParenthesisExpression",
              "span": {
                "start": 572,
                "end": 596,
                "ctxt": 0
              },
              "expression": {
                "type": "ArrowFunctionExpression",
                "span": {
                  "start": 573,
                  "end": 595,
                  "ctxt": 0
                },
                "params": [],
                "body": {
                  "type": "BlockStatement",
                  "span": {
                    "start": 579,
                    "end": 595,
                    "ctxt": 0
                  },
                  "stmts": [
                    {
                      "type": "ExpressionStatement",
                      "span": {
                        "start": 581,
                        "end": 593,
                        "ctxt": 0
                      },
                      "expression": {
                        "type": "AssignmentExpression",
                        "span": {
                          "start": 581,
                          "end": 592,
                          "ctxt": 0
                        },
                        "operator": "=",
                        "left": {
                          "type": "SuperPropExpression",
                          "span": {
                            "start": 581,
                            "end": 588,
                            "ctxt": 0
                          },
                          "obj": {
                            "type": "Super",
                            "span": {
                              "start": 581,
                              "end": 586,
                              "ctxt": 0
                            }
                          },
                          "property": {
                            "type": "Identifier",
                            "span": {
                              "start": 587,
                              "end": 588,
                              "ctxt": 0
                            },
                            "value": "a",
                            "optional": false
                          }
                        },
                        "right": {
                          "type": "NumericLiteral",
                          "span": {
                            "start": 591,
                            "end": 592,
                            "ctxt": 0
                          },
                          "value": 0.0
                        }
                      }
                    }
                  ]
                },
                "async": false,
                "generator": false,
                "typeParameters": null,
                "returnType": null
              }
            },
            "arguments": [],
            "typeArguments": null
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 604,
            "end": 632,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 611,
              "end": 613,
              "ctxt": 0
            },
            "value": "z8",
            "optional": false
          },
          "value": {
            "type": "AssignmentExpression",
            "span": {
              "start": 616,
              "end": 631,
              "ctxt": 0
            },
            "operator": "=",
            "left": {
              "type": "ArrayPattern",
              "span": {
                "start": 616,
                "end": 625,
                "ctxt": 0
              },
              "elements": [
                {
                  "type": "SuperPropExpression",
                  "span": {
                    "start": 617,
                    "end": 624,
                    "ctxt": 0
                  },
                  "obj": {
                    "type": "Super",
                    "span": {
                      "start": 617,
                      "end": 622,
                      "ctxt": 0
                    }
                  },
                  "property": {
                    "type": "Identifier",
                    "span": {
                      "start": 623,
                      "end": 624,
                      "ctxt": 0
                    },
                    "value": "a",
                    "optional": false
                  }
                }
              ],
              "optional": false,
              "typeAnnotation": null
            },
            "right": {
              "type": "ArrayExpression",
              "span": {
                "start": 628,
                "end": 631,
                "ctxt": 0
              },
              "elements": [
                {
                  "spread": null,
                  "expression": {
                    "type": "NumericLiteral",
                    "span": {
                      "start": 629,
                      "end": 630,
                      "ctxt": 0
                    },
                    "value": 0.0
                  }
                }
              ]
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 637,
            "end": 669,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 644,
              "end": 646,
              "ctxt": 0
            },
            "value": "z9",
            "optional": false
          },
          "value": {
            "type": "AssignmentExpression",
            "span": {
              "start": 649,
              "end": 668,
              "ctxt": 0
            },
            "operator": "=",
            "left": {
              "type": "ArrayPattern",
              "span": {
                "start": 649,
                "end": 662,
                "ctxt": 0
              },
              "elements": [
                {
                  "type": "AssignmentPattern",
                  "span": {
                    "start": 650,
                    "end": 661,
                    "ctxt": 0
                  },
                  "left": {
                    "type": "SuperPropExpression",
                    "span": {
                      "start": 650,
                      "end": 657,
                      "ctxt": 0
                    },
                    "obj": {
                      "type": "Super",
                      "span": {
                        "start": 650,
                        "end": 655,
                        "ctxt": 0
                      }
                    },
                    "property": {
                      "type": "Identifier",
                      "span": {
                        "start": 656,
                        "end": 657,
                        "ctxt": 0
                      },
                      "value": "a",
                      "optional": false
                    }
                  },
                  "right": {
                    "type": "NumericLiteral",
                    "span": {
                      "start": 660,
                      "end": 661,
                      "ctxt": 0
                    },
                    "value": 0.0
                  },
                  "typeAnnotation": null
                }
              ],
              "optional": false,
              "typeAnnotation": null
            },
            "right": {
              "type": "ArrayExpression",
              "span": {
                "start": 665,
                "end": 668,
                "ctxt": 0
              },
              "elements": [
                {
                  "spread": null,
                  "expression": {
                    "type": "NumericLiteral",
                    "span": {
                      "start": 666,
                      "end": 667,
                      "ctxt": 0
                    },
                    "value": 0.0
                  }
                }
              ]
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 674,
            "end": 706,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 681,
              "end": 684,
              "ctxt": 0
            },
            "value": "z10",
            "optional": false
          },
          "value": {
            "type": "AssignmentExpression",
            "span": {
              "start": 687,
              "end": 705,
              "ctxt": 0
            },
            "operator": "=",
            "left": {
              "type": "ArrayPattern",
              "span": {
                "start": 687,
                "end": 699,
                "ctxt": 0
              },
              "elements": [
                {
                  "type": "RestElement",
                  "span": {
                    "start": 691,
                    "end": 698,
                    "ctxt": 0
                  },
                  "rest": {
                    "start": 688,
                    "end": 691,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "SuperPropExpression",
                    "span": {
                      "start": 691,
                      "end": 698,
                      "ctxt": 0
                    },
                    "obj": {
                      "type": "Super",
                      "span": {
                        "start": 691,
                        "end": 696,
                        "ctxt": 0
                      }
                    },
                    "property": {
                      "type": "Identifier",
                      "span": {
                        "start": 697,
                        "end": 698,
                        "ctxt": 0
                      },
                      "value": "a",
                      "optional": false
                    }
                  },
                  "typeAnnotation": null
                }
              ],
              "optional": false,
              "typeAnnotation": null
            },
            "right": {
              "type": "ArrayExpression",
              "span": {
                "start": 702,
                "end": 705,
                "ctxt": 0
              },
              "elements": [
                {
                  "spread": null,
                  "expression": {
                    "type": "NumericLiteral",
                    "span": {
                      "start": 703,
                      "end": 704,
                      "ctxt": 0
                    },
                    "value": 0.0
                  }
                }
              ]
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 711,
            "end": 750,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 718,
              "end": 721,
              "ctxt": 0
            },
            "value": "z11",
            "optional": false
          },
          "value": {
            "type": "AssignmentExpression",
            "span": {
              "start": 724,
              "end": 749,
              "ctxt": 0
            },
            "operator": "=",
            "left": {
              "type": "ObjectPattern",
              "span": {
                "start": 724,
                "end": 738,
                "ctxt": 0
              },
              "properties": [
                {
                  "type": "KeyValuePatternProperty",
                  "key": {
                    "type": "Identifier",
                    "span": {
                      "start": 726,
                      "end": 727,
                      "ctxt": 0
                    },
                    "value": "x",
                    "optional": false
                  },
                  "value": {
                    "type": "SuperPropExpression",
                    "span": {
                      "start": 729,
                      "end": 736,
                      "ctxt": 0
                    },
                    "obj": {
                      "type": "Super",
                      "span": {
                        "start": 729,
                        "end": 734,
                        "ctxt": 0
                      }
                    },
                    "property": {
                      "type": "Identifier",
                      "span": {
                        "start": 735,
                        "end": 736,
                        "ctxt": 0
                      },
                      "value": "a",
                      "optional": false
                    }
                  }
                }
              ],
              "optional": false,
              "typeAnnotation": null
            },
            "right": {
              "type": "ObjectExpression",
              "span": {
                "start": 741,
                "end": 749,
                "ctxt": 0
              },
              "properties": [
                {
                  "type": "KeyValueProperty",
                  "key": {
                    "type": "Identifier",
                    "span": {
                      "start": 743,
                      "end": 744,
                      "ctxt": 0
                    },
                    "value": "x",
                    "optional": false
                  },
                  "value": {
                    "type": "NumericLiteral",
                    "span": {
                      "start": 746,
                      "end": 747,
                      "ctxt": 0
                    },
                    "value": 0.0
                  }
                }
              ]
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 755,
            "end": 798,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 762,
              "end": 765,
              "ctxt": 0
            },
            "value": "z12",
            "optional": false
          },
          "value": {
            "type": "AssignmentExpression",
            "span": {
              "start": 768,
              "end": 797,
              "ctxt": 0
            },
            "operator": "=",
            "left": {
              "type": "ObjectPattern",
              "span": {
                "start": 768,
                "end": 786,
                "ctxt": 0
              },
              "properties": [
                {
                  "type": "KeyValuePatternProperty",
                  "key": {
                    "type": "Identifier",
                    "span": {
                      "start": 770,
                      "end": 771,
                      "ctxt": 0
                    },
                    "value": "x",
                    "optional": false
                  },
                  "value": {
                    "type": "AssignmentPattern",
                    "span": {
                      "start": 773,
                      "end": 784,
                      "ctxt": 0
                    },
                    "left": {
                      "type": "SuperPropExpression",
                      "span": {
                        "start": 773,
                        "end": 780,
                        "ctxt": 0
                      },
                      "obj": {
                        "type": "Super",
                        "span": {
                          "start": 773,
                          "end": 778,
                          "ctxt": 0
                        }
                      },
                      "property": {
                        "type": "Identifier",
                        "span": {
                          "start": 779,
                          "end": 780,
                          "ctxt": 0
                        },
                        "value": "a",
                        "optional": false
                      }
                    },
                    "right": {
                      "type": "NumericLiteral",
                      "span": {
                        "start": 783,
                        "end": 784,
                        "ctxt": 0
                      },
                      "value": 0.0
                    },
                    "typeAnnotation": null
                  }
                }
              ],
              "optional": false,
              "typeAnnotation": null
            },
            "right": {
              "type": "ObjectExpression",
              "span": {
                "start": 789,
                "end": 797,
                "ctxt": 0
              },
              "properties": [
                {
                  "type": "KeyValueProperty",
                  "key": {
                    "type": "Identifier",
                    "span": {
                      "start": 791,
                      "end": 792,
                      "ctxt": 0
                    },
                    "value": "x",
                    "optional": false
                  },
                  "value": {
                    "type": "NumericLiteral",
                    "span": {
                      "start": 794,
                      "end": 795,
                      "ctxt": 0
                    },
                    "value": 0.0
                  }
                }
              ]
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 803,
            "end": 842,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 810,
              "end": 813,
              "ctxt": 0
            },
            "value": "z13",
            "optional": false
          },
          "value": {
            "type": "AssignmentExpression",
            "span": {
              "start": 816,
              "end": 841,
              "ctxt": 0
            },
            "operator": "=",
            "left": {
              "type": "ObjectPattern",
              "span": {
                "start": 816,
                "end": 830,
                "ctxt": 0
              },
              "properties": [
                {
                  "type": "RestElement",
                  "span": {
                    "start": 818,
                    "end": 828,
                    "ctxt": 0
                  },
                  "rest": {
                    "start": 818,
                    "end": 821,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "SuperPropExpression",
                    "span": {
                      "start": 821,
                      "end": 828,
                      "ctxt": 0
                    },
                    "obj": {
                      "type": "Super",
                      "span": {
                        "start": 821,
                        "end": 826,
                        "ctxt": 0
                      }
                    },
                    "property": {
                      "type": "Identifier",
                      "span": {
                        "start": 827,
                        "end": 828,
                        "ctxt": 0
                      },
                      "value": "a",
                      "optional": false
                    }
                  },
                  "typeAnnotation": null
                }
              ],
              "optional": false,
              "typeAnnotation": null
            },
            "right": {
              "type": "ObjectExpression",
              "span": {
                "start": 833,
                "end": 841,
                "ctxt": 0
              },
              "properties": [
                {
                  "type": "KeyValueProperty",
                  "key": {
                    "type": "Identifier",
                    "span": {
                      "start": 835,
                      "end": 836,
                      "ctxt": 0
                    },
                    "value": "x",
                    "optional": false
                  },
                  "value": {
                    "type": "NumericLiteral",
                    "span": {
                      "start": 838,
                      "end": 839,
                      "ctxt": 0
                    },
                    "value": 0.0
                  }
                }
              ]
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 847,
            "end": 870,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 854,
              "end": 857,
              "ctxt": 0
            },
            "value": "z14",
            "optional": false
          },
          "value": {
            "type": "UpdateExpression",
            "span": {
              "start": 860,
              "end": 869,
              "ctxt": 0
            },
            "operator": "++",
            "prefix": true,
            "argument": {
              "type": "SuperPropExpression",
              "span": {
                "start": 862,
                "end": 869,
                "ctxt": 0
              },
              "obj": {
                "type": "Super",
                "span": {
                  "start": 862,
                  "end": 867,
                  "ctxt": 0
                }
              },
              "property": {
                "type": "Identifier",
                "span": {
                  "start": 868,
                  "end": 869,
                  "ctxt": 0
                },
                "value": "a",
                "optional": false
              }
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 875,
            "end": 898,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 882,
              "end": 885,
              "ctxt": 0
            },
            "value": "z15",
            "optional": false
          },
          "value": {
            "type": "UpdateExpression",
            "span": {
              "start": 888,
              "end": 897,
              "ctxt": 0
            },
            "operator": "--",
            "prefix": true,
            "argument": {
              "type": "SuperPropExpression",
              "span": {
                "start": 890,
                "end": 897,
                "ctxt": 0
              },
              "obj": {
                "type": "Super",
                "span": {
                  "start": 890,
                  "end": 895,
                  "ctxt": 0
                }
              },
              "property": {
                "type": "Identifier",
                "span": {
                  "start": 896,
                  "end": 897,
                  "ctxt": 0
                },
                "value": "a",
                "optional": false
              }
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 903,
            "end": 931,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 910,
              "end": 913,
              "ctxt": 0
            },
            "value": "z16",
            "optional": false
          },
          "value": {
            "type": "UpdateExpression",
            "span": {
              "start": 916,
              "end": 930,
              "ctxt": 0
            },
            "operator": "++",
            "prefix": true,
            "argument": {
              "type": "SuperPropExpression",
              "span": {
                "start": 918,
                "end": 930,
                "ctxt": 0
              },
              "obj": {
                "type": "Super",
                "span": {
                  "start": 918,
                  "end": 923,
                  "ctxt": 0
                }
              },
              "property": {
                "type": "Computed",
                "span": {
                  "start": 923,
                  "end": 930,
                  "ctxt": 0
                },
                "expression": {
                  "type": "ParenthesisExpression",
                  "span": {
                    "start": 924,
                    "end": 929,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "StringLiteral",
                    "span": {
                      "start": 925,
                      "end": 928,
                      "ctxt": 0
                    },
                    "value": "a",
                    "raw": "\"a\""
                  }
                }
              }
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 936,
            "end": 959,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 943,
              "end": 946,
              "ctxt": 0
            },
            "value": "z17",
            "optional": false
          },
          "value": {
            "type": "UpdateExpression",
            "span": {
              "start": 949,
              "end": 958,
              "ctxt": 0
            },
            "operator": "++",
            "prefix": false,
            "argument": {
              "type": "SuperPropExpression",
              "span": {
                "start": 949,
                "end": 956,
                "ctxt": 0
              },
              "obj": {
                "type": "Super",
                "span": {
                  "start": 949,
                  "end": 954,
                  "ctxt": 0
                }
              },
              "property": {
                "type": "Identifier",
                "span": {
                  "start": 955,
                  "end": 956,
                  "ctxt": 0
                },
                "value": "a",
                "optional": false
              }
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 964,
            "end": 987,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 971,
              "end": 974,
              "ctxt": 0
            },
            "value": "z18",
            "optional": false
          },
          "value": {
            "type": "TaggedTemplateExpression",
            "span": {
              "start": 977,
              "end": 986,
              "ctxt": 0
            },
            "tag": {
              "type": "SuperPropExpression",
              "span": {
                "start": 977,
                "end": 984,
                "ctxt": 0
              },
              "obj": {
                "type": "Super",
                "span": {
                  "start": 977,
                  "end": 982,
                  "ctxt": 0
                }
              },
              "property": {
                "type": "Identifier",
                "span": {
                  "start": 983,
                  "end": 984,
                  "ctxt": 0
                },
                "value": "a",
                "optional": false
              }
            },
            "typeParameters": null,
            "template": {
              "type": "TemplateLiteral",
              "span": {
                "start": 984,
                "end": 986,
                "ctxt": 0
              },
              "expressions": [],
              "quasis": [
                {
                  "type": "TemplateElement",
                  "span": {
                    "start": 985,
                    "end": 985,
                    "ctxt": 0
                  },
                  "tail": true,
                  "cooked": "",
                  "raw": ""
                }
              ]
            }
          },
          "typeAnnotation": null,
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 1027,
            "end": 1033,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 1027,
              "end": 1028,
              "ctxt": 0
            },
            "value": "x",
            "optional": false
          },
          "value": {
            "type": "NumericLiteral",
            "span": {
              "start": 1031,
              "end": 1032,
              "ctxt": 0
            },
            "value": 1.0
          },
          "typeAnnotation": null,
          "isStatic": false,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 1038,
            "end": 1049,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 1038,
              "end": 1039,
              "ctxt": 0
            },
            "value": "y",
            "optional": false
          },
          "value": {
            "type": "MemberExpression",
            "span": {
              "start": 1042,
              "end": 1048,
              "ctxt": 0
            },
            "object": {
              "type": "ThisExpression",
              "span": {
                "start": 1042,
                "end": 1046,
                "ctxt": 0
              }
            },
            "property": {
              "type": "Identifier",
              "span": {
                "start": 1047,
                "end": 1048,
                "ctxt": 0
              },
              "value": "x",
              "optional": false
            }
          },
          "typeAnnotation": null,
          "isStatic": false,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 1054,
            "end": 1068,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 1054,
              "end": 1055,
              "ctxt": 0
            },
            "value": "z",
            "optional": false
          },
          "value": {
            "type": "CallExpression",
            "span": {
              "start": 1058,
              "end": 1067,
              "ctxt": 0
            },
            "callee": {
              "type": "SuperPropExpression",
              "span": {
                "start": 1058,
                "end": 1065,
                "ctxt": 0
              },
              "obj": {
                "type": "Super",
                "span": {
                  "start": 1058,
                  "end": 1063,
                  "ctxt": 0
                }
              },
              "property": {
                "type": "Identifier",
                "span": {
                  "start": 1064,
                  "end": 1065,
                  "ctxt": 0
                },
                "value": "f",
                "optional": false
              }
            },
            "arguments": [],
            "typeArguments": null
          },
          "typeAnnotation": null,
          "isStatic": false,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        }
      ],
      "superClass": {
        "type": "Identifier",
        "span": {
          "start": 210,
          "end": 211,
          "ctxt": 0
        },
        "value": "B",
        "optional": false
      },
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": null,
      "implements": []
    }
  ],
  "interpreter": null
}