{
  "type": "Script",
  "span": {
    "start": 104,
    "end": 660,
    "ctxt": 0
  },
  "body": [
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 110,
          "end": 111,
          "ctxt": 0
        },
        "value": "A",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 104,
        "end": 540,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "PrivateMethod",
          "span": {
            "start": 118,
            "end": 143,
            "ctxt": 0
          },
          "key": {
            "type": "PrivateName",
            "span": {
              "start": 125,
              "end": 129,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 126,
                "end": 129,
                "ctxt": 0
              },
              "value": "foo",
              "optional": false
            }
          },
          "function": {
            "params": [
              {
                "type": "Parameter",
                "span": {
                  "start": 130,
                  "end": 139,
                  "ctxt": 0
                },
                "decorators": [],
                "pat": {
                  "type": "Identifier",
                  "span": {
                    "start": 130,
                    "end": 139,
                    "ctxt": 0
                  },
                  "value": "a",
                  "optional": false,
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 131,
                      "end": 139,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 133,
                        "end": 139,
                        "ctxt": 0
                      },
                      "kind": "number"
                    }
                  }
                }
              }
            ],
            "decorators": [],
            "span": {
              "start": 118,
              "end": 143,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 141,
                "end": 143,
                "ctxt": 0
              },
              "stmts": []
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": true,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "PrivateMethod",
          "span": {
            "start": 148,
            "end": 179,
            "ctxt": 0
          },
          "key": {
            "type": "PrivateName",
            "span": {
              "start": 161,
              "end": 165,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 162,
                "end": 165,
                "ctxt": 0
              },
              "value": "bar",
              "optional": false
            }
          },
          "function": {
            "params": [
              {
                "type": "Parameter",
                "span": {
                  "start": 166,
                  "end": 175,
                  "ctxt": 0
                },
                "decorators": [],
                "pat": {
                  "type": "Identifier",
                  "span": {
                    "start": 166,
                    "end": 175,
                    "ctxt": 0
                  },
                  "value": "a",
                  "optional": false,
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 167,
                      "end": 175,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 169,
                        "end": 175,
                        "ctxt": 0
                      },
                      "kind": "number"
                    }
                  }
                }
              }
            ],
            "decorators": [],
            "span": {
              "start": 148,
              "end": 179,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 177,
                "end": 179,
                "ctxt": 0
              },
              "stmts": []
            },
            "generator": false,
            "async": true,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": true,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "PrivateMethod",
          "span": {
            "start": 184,
            "end": 239,
            "ctxt": 0
          },
          "key": {
            "type": "PrivateName",
            "span": {
              "start": 198,
              "end": 202,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 199,
                "end": 202,
                "ctxt": 0
              },
              "value": "baz",
              "optional": false
            }
          },
          "function": {
            "params": [
              {
                "type": "Parameter",
                "span": {
                  "start": 203,
                  "end": 212,
                  "ctxt": 0
                },
                "decorators": [],
                "pat": {
                  "type": "Identifier",
                  "span": {
                    "start": 203,
                    "end": 212,
                    "ctxt": 0
                  },
                  "value": "a",
                  "optional": false,
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 204,
                      "end": 212,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 206,
                        "end": 212,
                        "ctxt": 0
                      },
                      "kind": "number"
                    }
                  }
                }
              }
            ],
            "decorators": [],
            "span": {
              "start": 184,
              "end": 239,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 214,
                "end": 239,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 224,
                    "end": 233,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "NumericLiteral",
                    "span": {
                      "start": 231,
                      "end": 232,
                      "ctxt": 0
                    },
                    "value": 3.0
                  }
                }
              ]
            },
            "generator": true,
            "async": true,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": true,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "PrivateProperty",
          "span": {
            "start": 244,
            "end": 266,
            "ctxt": 0
          },
          "key": {
            "type": "PrivateName",
            "span": {
              "start": 251,
              "end": 257,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 252,
                "end": 257,
                "ctxt": 0
              },
              "value": "_quux",
              "optional": false
            }
          },
          "value": null,
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 257,
              "end": 265,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsKeywordType",
              "span": {
                "start": 259,
                "end": 265,
                "ctxt": 0
              },
              "kind": "number"
            }
          },
          "isStatic": true,
          "decorators": [],
          "accessibility": null,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "definite": false
        },
        {
          "type": "PrivateMethod",
          "span": {
            "start": 271,
            "end": 334,
            "ctxt": 0
          },
          "key": {
            "type": "PrivateName",
            "span": {
              "start": 282,
              "end": 287,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 283,
                "end": 287,
                "ctxt": 0
              },
              "value": "quux",
              "optional": false
            }
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 271,
              "end": 334,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 299,
                "end": 334,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 309,
                    "end": 328,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "MemberExpression",
                    "span": {
                      "start": 316,
                      "end": 327,
                      "ctxt": 0
                    },
                    "object": {
                      "type": "ThisExpression",
                      "span": {
                        "start": 316,
                        "end": 320,
                        "ctxt": 0
                      }
                    },
                    "property": {
                      "type": "PrivateName",
                      "span": {
                        "start": 321,
                        "end": 327,
                        "ctxt": 0
                      },
                      "id": {
                        "type": "Identifier",
                        "span": {
                          "start": 322,
                          "end": 327,
                          "ctxt": 0
                        },
                        "value": "_quux",
                        "optional": false
                      }
                    }
                  }
                }
              ]
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 290,
                "end": 298,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 292,
                  "end": 298,
                  "ctxt": 0
                },
                "kind": "number"
              }
            }
          },
          "kind": "getter",
          "isStatic": true,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "PrivateMethod",
          "span": {
            "start": 339,
            "end": 404,
            "ctxt": 0
          },
          "key": {
            "type": "PrivateName",
            "span": {
              "start": 350,
              "end": 355,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 351,
                "end": 355,
                "ctxt": 0
              },
              "value": "quux",
              "optional": false
            }
          },
          "function": {
            "params": [
              {
                "type": "Parameter",
                "span": {
                  "start": 357,
                  "end": 368,
                  "ctxt": 0
                },
                "decorators": [],
                "pat": {
                  "type": "Identifier",
                  "span": {
                    "start": 357,
                    "end": 368,
                    "ctxt": 0
                  },
                  "value": "val",
                  "optional": false,
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 360,
                      "end": 368,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 362,
                        "end": 368,
                        "ctxt": 0
                      },
                      "kind": "number"
                    }
                  }
                }
              }
            ],
            "decorators": [],
            "span": {
              "start": 339,
              "end": 404,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 370,
                "end": 404,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ExpressionStatement",
                  "span": {
                    "start": 380,
                    "end": 398,
                    "ctxt": 0
                  },
                  "expression": {
                    "type": "AssignmentExpression",
                    "span": {
                      "start": 380,
                      "end": 397,
                      "ctxt": 0
                    },
                    "operator": "=",
                    "left": {
                      "type": "MemberExpression",
                      "span": {
                        "start": 380,
                        "end": 391,
                        "ctxt": 0
                      },
                      "object": {
                        "type": "ThisExpression",
                        "span": {
                          "start": 380,
                          "end": 384,
                          "ctxt": 0
                        }
                      },
                      "property": {
                        "type": "PrivateName",
                        "span": {
                          "start": 385,
                          "end": 391,
                          "ctxt": 0
                        },
                        "id": {
                          "type": "Identifier",
                          "span": {
                            "start": 386,
                            "end": 391,
                            "ctxt": 0
                          },
                          "value": "_quux",
                          "optional": false
                        }
                      }
                    },
                    "right": {
                      "type": "Identifier",
                      "span": {
                        "start": 394,
                        "end": 397,
                        "ctxt": 0
                      },
                      "value": "val",
                      "optional": false
                    }
                  }
                }
              ]
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "setter",
          "isStatic": true,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "Constructor",
          "span": {
            "start": 409,
            "end": 538,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 409,
              "end": 420,
              "ctxt": 0
            },
            "value": "constructor",
            "optional": false
          },
          "params": [],
          "body": {
            "type": "BlockStatement",
            "span": {
              "start": 424,
              "end": 538,
              "ctxt": 0
            },
            "stmts": [
              {
                "type": "ExpressionStatement",
                "span": {
                  "start": 434,
                  "end": 445,
                  "ctxt": 0
                },
                "expression": {
                  "type": "CallExpression",
                  "span": {
                    "start": 434,
                    "end": 444,
                    "ctxt": 0
                  },
                  "callee": {
                    "type": "MemberExpression",
                    "span": {
                      "start": 434,
                      "end": 440,
                      "ctxt": 0
                    },
                    "object": {
                      "type": "Identifier",
                      "span": {
                        "start": 434,
                        "end": 435,
                        "ctxt": 0
                      },
                      "value": "A",
                      "optional": false
                    },
                    "property": {
                      "type": "PrivateName",
                      "span": {
                        "start": 436,
                        "end": 440,
                        "ctxt": 0
                      },
                      "id": {
                        "type": "Identifier",
                        "span": {
                          "start": 437,
                          "end": 440,
                          "ctxt": 0
                        },
                        "value": "foo",
                        "optional": false
                      }
                    }
                  },
                  "arguments": [
                    {
                      "spread": null,
                      "expression": {
                        "type": "NumericLiteral",
                        "span": {
                          "start": 441,
                          "end": 443,
                          "ctxt": 0
                        },
                        "value": 30.0
                      }
                    }
                  ],
                  "typeArguments": null
                }
              },
              {
                "type": "ExpressionStatement",
                "span": {
                  "start": 454,
                  "end": 465,
                  "ctxt": 0
                },
                "expression": {
                  "type": "CallExpression",
                  "span": {
                    "start": 454,
                    "end": 464,
                    "ctxt": 0
                  },
                  "callee": {
                    "type": "MemberExpression",
                    "span": {
                      "start": 454,
                      "end": 460,
                      "ctxt": 0
                    },
                    "object": {
                      "type": "Identifier",
                      "span": {
                        "start": 454,
                        "end": 455,
                        "ctxt": 0
                      },
                      "value": "A",
                      "optional": false
                    },
                    "property": {
                      "type": "PrivateName",
                      "span": {
                        "start": 456,
                        "end": 460,
                        "ctxt": 0
                      },
                      "id": {
                        "type": "Identifier",
                        "span": {
                          "start": 457,
                          "end": 460,
                          "ctxt": 0
                        },
                        "value": "bar",
                        "optional": false
                      }
                    }
                  },
                  "arguments": [
                    {
                      "spread": null,
                      "expression": {
                        "type": "NumericLiteral",
                        "span": {
                          "start": 461,
                          "end": 463,
                          "ctxt": 0
                        },
                        "value": 30.0
                      }
                    }
                  ],
                  "typeArguments": null
                }
              },
              {
                "type": "ExpressionStatement",
                "span": {
                  "start": 474,
                  "end": 485,
                  "ctxt": 0
                },
                "expression": {
                  "type": "CallExpression",
                  "span": {
                    "start": 474,
                    "end": 484,
                    "ctxt": 0
                  },
                  "callee": {
                    "type": "MemberExpression",
                    "span": {
                      "start": 474,
                      "end": 480,
                      "ctxt": 0
                    },
                    "object": {
                      "type": "Identifier",
                      "span": {
                        "start": 474,
                        "end": 475,
                        "ctxt": 0
                      },
                      "value": "A",
                      "optional": false
                    },
                    "property": {
                      "type": "PrivateName",
                      "span": {
                        "start": 476,
                        "end": 480,
                        "ctxt": 0
                      },
                      "id": {
                        "type": "Identifier",
                        "span": {
                          "start": 477,
                          "end": 480,
                          "ctxt": 0
                        },
                        "value": "bar",
                        "optional": false
                      }
                    }
                  },
                  "arguments": [
                    {
                      "spread": null,
                      "expression": {
                        "type": "NumericLiteral",
                        "span": {
                          "start": 481,
                          "end": 483,
                          "ctxt": 0
                        },
                        "value": 30.0
                      }
                    }
                  ],
                  "typeArguments": null
                }
              },
              {
                "type": "ExpressionStatement",
                "span": {
                  "start": 494,
                  "end": 516,
                  "ctxt": 0
                },
                "expression": {
                  "type": "AssignmentExpression",
                  "span": {
                    "start": 494,
                    "end": 515,
                    "ctxt": 0
                  },
                  "operator": "=",
                  "left": {
                    "type": "MemberExpression",
                    "span": {
                      "start": 494,
                      "end": 501,
                      "ctxt": 0
                    },
                    "object": {
                      "type": "Identifier",
                      "span": {
                        "start": 494,
                        "end": 495,
                        "ctxt": 0
                      },
                      "value": "A",
                      "optional": false
                    },
                    "property": {
                      "type": "PrivateName",
                      "span": {
                        "start": 496,
                        "end": 501,
                        "ctxt": 0
                      },
                      "id": {
                        "type": "Identifier",
                        "span": {
                          "start": 497,
                          "end": 501,
                          "ctxt": 0
                        },
                        "value": "quux",
                        "optional": false
                      }
                    }
                  },
                  "right": {
                    "type": "BinaryExpression",
                    "span": {
                      "start": 504,
                      "end": 515,
                      "ctxt": 0
                    },
                    "operator": "+",
                    "left": {
                      "type": "MemberExpression",
                      "span": {
                        "start": 504,
                        "end": 511,
                        "ctxt": 0
                      },
                      "object": {
                        "type": "Identifier",
                        "span": {
                          "start": 504,
                          "end": 505,
                          "ctxt": 0
                        },
                        "value": "A",
                        "optional": false
                      },
                      "property": {
                        "type": "PrivateName",
                        "span": {
                          "start": 506,
                          "end": 511,
                          "ctxt": 0
                        },
                        "id": {
                          "type": "Identifier",
                          "span": {
                            "start": 507,
                            "end": 511,
                            "ctxt": 0
                          },
                          "value": "quux",
                          "optional": false
                        }
                      }
                    },
                    "right": {
                      "type": "NumericLiteral",
                      "span": {
                        "start": 514,
                        "end": 515,
                        "ctxt": 0
                      },
                      "value": 1.0
                    }
                  }
                }
              },
              {
                "type": "ExpressionStatement",
                "span": {
                  "start": 525,
                  "end": 535,
                  "ctxt": 0
                },
                "expression": {
                  "type": "UpdateExpression",
                  "span": {
                    "start": 525,
                    "end": 534,
                    "ctxt": 0
                  },
                  "operator": "++",
                  "prefix": false,
                  "argument": {
                    "type": "MemberExpression",
                    "span": {
                      "start": 525,
                      "end": 532,
                      "ctxt": 0
                    },
                    "object": {
                      "type": "Identifier",
                      "span": {
                        "start": 525,
                        "end": 526,
                        "ctxt": 0
                      },
                      "value": "A",
                      "optional": false
                    },
                    "property": {
                      "type": "PrivateName",
                      "span": {
                        "start": 527,
                        "end": 532,
                        "ctxt": 0
                      },
                      "id": {
                        "type": "Identifier",
                        "span": {
                          "start": 528,
                          "end": 532,
                          "ctxt": 0
                        },
                        "value": "quux",
                        "optional": false
                      }
                    }
                  }
                }
              }
            ]
          },
          "accessibility": null,
          "isOptional": false
        }
      ],
      "superClass": null,
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": null,
      "implements": []
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 548,
          "end": 549,
          "ctxt": 0
        },
        "value": "B",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 542,
        "end": 660,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "PrivateMethod",
          "span": {
            "start": 566,
            "end": 591,
            "ctxt": 0
          },
          "key": {
            "type": "PrivateName",
            "span": {
              "start": 573,
              "end": 577,
              "ctxt": 0
            },
            "id": {
              "type": "Identifier",
              "span": {
                "start": 574,
                "end": 577,
                "ctxt": 0
              },
              "value": "foo",
              "optional": false
            }
          },
          "function": {
            "params": [
              {
                "type": "Parameter",
                "span": {
                  "start": 578,
                  "end": 587,
                  "ctxt": 0
                },
                "decorators": [],
                "pat": {
                  "type": "Identifier",
                  "span": {
                    "start": 578,
                    "end": 587,
                    "ctxt": 0
                  },
                  "value": "a",
                  "optional": false,
                  "typeAnnotation": {
                    "type": "TsTypeAnnotation",
                    "span": {
                      "start": 579,
                      "end": 587,
                      "ctxt": 0
                    },
                    "typeAnnotation": {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 581,
                        "end": 587,
                        "ctxt": 0
                      },
                      "kind": "string"
                    }
                  }
                }
              }
            ],
            "decorators": [],
            "span": {
              "start": 566,
              "end": 591,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 589,
                "end": 591,
                "ctxt": 0
              },
              "stmts": []
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": null
          },
          "kind": "method",
          "isStatic": true,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "Constructor",
          "span": {
            "start": 596,
            "end": 658,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 596,
              "end": 607,
              "ctxt": 0
            },
            "value": "constructor",
            "optional": false
          },
          "params": [],
          "body": {
            "type": "BlockStatement",
            "span": {
              "start": 611,
              "end": 658,
              "ctxt": 0
            },
            "stmts": [
              {
                "type": "ExpressionStatement",
                "span": {
                  "start": 621,
                  "end": 629,
                  "ctxt": 0
                },
                "expression": {
                  "type": "CallExpression",
                  "span": {
                    "start": 621,
                    "end": 628,
                    "ctxt": 0
                  },
                  "callee": {
                    "type": "Super",
                    "span": {
                      "start": 621,
                      "end": 626,
                      "ctxt": 0
                    }
                  },
                  "arguments": [],
                  "typeArguments": null
                }
              },
              {
                "type": "ExpressionStatement",
                "span": {
                  "start": 638,
                  "end": 652,
                  "ctxt": 0
                },
                "expression": {
                  "type": "CallExpression",
                  "span": {
                    "start": 638,
                    "end": 651,
                    "ctxt": 0
                  },
                  "callee": {
                    "type": "MemberExpression",
                    "span": {
                      "start": 638,
                      "end": 644,
                      "ctxt": 0
                    },
                    "object": {
                      "type": "Identifier",
                      "span": {
                        "start": 638,
                        "end": 639,
                        "ctxt": 0
                      },
                      "value": "B",
                      "optional": false
                    },
                    "property": {
                      "type": "PrivateName",
                      "span": {
                        "start": 640,
                        "end": 644,
                        "ctxt": 0
                      },
                      "id": {
                        "type": "Identifier",
                        "span": {
                          "start": 641,
                          "end": 644,
                          "ctxt": 0
                        },
                        "value": "foo",
                        "optional": false
                      }
                    }
                  },
                  "arguments": [
                    {
                      "spread": null,
                      "expression": {
                        "type": "StringLiteral",
                        "span": {
                          "start": 645,
                          "end": 650,
                          "ctxt": 0
                        },
                        "value": "str",
                        "hasEscape": false,
                        "kind": {
                          "type": "normal",
                          "containsQuote": true
                        }
                      }
                    }
                  ],
                  "typeArguments": null
                }
              }
            ]
          },
          "accessibility": null,
          "isOptional": false
        }
      ],
      "superClass": {
        "type": "Identifier",
        "span": {
          "start": 558,
          "end": 559,
          "ctxt": 0
        },
        "value": "A",
        "optional": false
      },
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": null,
      "implements": []
    }
  ],
  "interpreter": null
}