{
  "type": "Script",
  "span": {
    "start": 0,
    "end": 668,
    "ctxt": 0
  },
  "body": [
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 6,
          "end": 7,
          "ctxt": 0
        },
        "value": "C",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 0,
        "end": 113,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassProperty",
          "span": {
            "start": 32,
            "end": 37,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 32,
              "end": 33,
              "ctxt": 0
            },
            "value": "x",
            "optional": false
          },
          "value": null,
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 33,
              "end": 36,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsTypeReference",
              "span": {
                "start": 35,
                "end": 36,
                "ctxt": 0
              },
              "typeName": {
                "type": "Identifier",
                "span": {
                  "start": 35,
                  "end": 36,
                  "ctxt": 0
                },
                "value": "T",
                "optional": false
              },
              "typeParams": null
            }
          },
          "isStatic": false,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 42,
            "end": 69,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 46,
              "end": 47,
              "ctxt": 0
            },
            "value": "X",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 42,
              "end": 69,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 53,
                "end": 69,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 55,
                    "end": 67,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "NullLiteral",
                    "span": {
                      "start": 62,
                      "end": 66,
                      "ctxt": 0
                    }
                  }
                }
              ]
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 49,
                "end": 52,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeReference",
                "span": {
                  "start": 51,
                  "end": 52,
                  "ctxt": 0
                },
                "typeName": {
                  "type": "Identifier",
                  "span": {
                    "start": 51,
                    "end": 52,
                    "ctxt": 0
                  },
                  "value": "T",
                  "optional": false
                },
                "typeParams": null
              }
            }
          },
          "kind": "getter",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 74,
            "end": 111,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 74,
              "end": 77,
              "ctxt": 0
            },
            "value": "foo",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 74,
              "end": 111,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 83,
                "end": 111,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 93,
                    "end": 105,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "NullLiteral",
                    "span": {
                      "start": 100,
                      "end": 104,
                      "ctxt": 0
                    }
                  }
                }
              ]
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 79,
                "end": 82,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeReference",
                "span": {
                  "start": 81,
                  "end": 82,
                  "ctxt": 0
                },
                "typeName": {
                  "type": "Identifier",
                  "span": {
                    "start": 81,
                    "end": 82,
                    "ctxt": 0
                  },
                  "value": "T",
                  "optional": false
                },
                "typeParams": null
              }
            }
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        }
      ],
      "superClass": null,
      "isAbstract": false,
      "typeParams": {
        "type": "TsTypeParameterDeclaration",
        "span": {
          "start": 7,
          "end": 25,
          "ctxt": 0
        },
        "parameters": [
          {
            "type": "TsTypeParameter",
            "span": {
              "start": 8,
              "end": 24,
              "ctxt": 0
            },
            "name": {
              "type": "Identifier",
              "span": {
                "start": 8,
                "end": 9,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "in": false,
            "out": false,
            "constraint": {
              "type": "TsKeywordType",
              "span": {
                "start": 18,
                "end": 24,
                "ctxt": 0
              },
              "kind": "number"
            },
            "default": null
          }
        ]
      },
      "superTypeParams": null,
      "implements": []
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 121,
          "end": 122,
          "ctxt": 0
        },
        "value": "D",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 115,
        "end": 367,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassProperty",
          "span": {
            "start": 147,
            "end": 154,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 147,
              "end": 148,
              "ctxt": 0
            },
            "value": "x",
            "optional": false
          },
          "value": null,
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 148,
              "end": 153,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsKeywordType",
              "span": {
                "start": 150,
                "end": 153,
                "ctxt": 0
              },
              "kind": "any"
            }
          },
          "isStatic": false,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 159,
            "end": 200,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 163,
              "end": 164,
              "ctxt": 0
            },
            "value": "X",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 159,
              "end": 200,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 172,
                "end": 200,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 182,
                    "end": 194,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "NullLiteral",
                    "span": {
                      "start": 189,
                      "end": 193,
                      "ctxt": 0
                    }
                  }
                }
              ]
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 166,
                "end": 171,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 168,
                  "end": 171,
                  "ctxt": 0
                },
                "kind": "any"
              }
            }
          },
          "kind": "getter",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 205,
            "end": 241,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 205,
              "end": 208,
              "ctxt": 0
            },
            "value": "foo",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 205,
              "end": 241,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 216,
                "end": 241,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 226,
                    "end": 235,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "NumericLiteral",
                    "span": {
                      "start": 233,
                      "end": 234,
                      "ctxt": 0
                    },
                    "value": 1.0
                  }
                }
              ]
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 210,
                "end": 215,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 212,
                  "end": 215,
                  "ctxt": 0
                },
                "kind": "any"
              }
            }
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "ClassProperty",
          "span": {
            "start": 247,
            "end": 261,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 254,
              "end": 255,
              "ctxt": 0
            },
            "value": "y",
            "optional": false
          },
          "value": null,
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 255,
              "end": 260,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsKeywordType",
              "span": {
                "start": 257,
                "end": 260,
                "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": 266,
            "end": 314,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 277,
              "end": 278,
              "ctxt": 0
            },
            "value": "Y",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 266,
              "end": 314,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 286,
                "end": 314,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 296,
                    "end": 308,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "NullLiteral",
                    "span": {
                      "start": 303,
                      "end": 307,
                      "ctxt": 0
                    }
                  }
                }
              ]
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 280,
                "end": 285,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 282,
                  "end": 285,
                  "ctxt": 0
                },
                "kind": "any"
              }
            }
          },
          "kind": "getter",
          "isStatic": true,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 319,
            "end": 365,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 326,
              "end": 329,
              "ctxt": 0
            },
            "value": "bar",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 319,
              "end": 365,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 337,
                "end": 365,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 347,
                    "end": 359,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "NullLiteral",
                    "span": {
                      "start": 354,
                      "end": 358,
                      "ctxt": 0
                    }
                  }
                }
              ]
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 331,
                "end": 336,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 333,
                  "end": 336,
                  "ctxt": 0
                },
                "kind": "any"
              }
            }
          },
          "kind": "method",
          "isStatic": true,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        }
      ],
      "superClass": {
        "type": "Identifier",
        "span": {
          "start": 131,
          "end": 132,
          "ctxt": 0
        },
        "value": "C",
        "optional": false
      },
      "isAbstract": false,
      "typeParams": null,
      "superTypeParams": {
        "type": "TsTypeParameterInstantiation",
        "span": {
          "start": 132,
          "end": 140,
          "ctxt": 0
        },
        "params": [
          {
            "type": "TsKeywordType",
            "span": {
              "start": 133,
              "end": 139,
              "ctxt": 0
            },
            "kind": "number"
          }
        ]
      },
      "implements": []
    },
    {
      "type": "ClassDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 458,
          "end": 459,
          "ctxt": 0
        },
        "value": "E",
        "optional": false
      },
      "declare": false,
      "span": {
        "start": 452,
        "end": 589,
        "ctxt": 0
      },
      "decorators": [],
      "body": [
        {
          "type": "ClassProperty",
          "span": {
            "start": 494,
            "end": 499,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 494,
              "end": 495,
              "ctxt": 0
            },
            "value": "x",
            "optional": false
          },
          "value": null,
          "typeAnnotation": {
            "type": "TsTypeAnnotation",
            "span": {
              "start": 495,
              "end": 498,
              "ctxt": 0
            },
            "typeAnnotation": {
              "type": "TsTypeReference",
              "span": {
                "start": 497,
                "end": 498,
                "ctxt": 0
              },
              "typeName": {
                "type": "Identifier",
                "span": {
                  "start": 497,
                  "end": 498,
                  "ctxt": 0
                },
                "value": "T",
                "optional": false
              },
              "typeParams": null
            }
          },
          "isStatic": false,
          "decorators": [],
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false,
          "readonly": false,
          "declare": false,
          "definite": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 504,
            "end": 529,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 508,
              "end": 509,
              "ctxt": 0
            },
            "value": "X",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 504,
              "end": 529,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 515,
                "end": 529,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 517,
                    "end": 527,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "StringLiteral",
                    "span": {
                      "start": 524,
                      "end": 526,
                      "ctxt": 0
                    },
                    "value": "",
                    "raw": "''"
                  }
                }
              ]
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 511,
                "end": 514,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeReference",
                "span": {
                  "start": 513,
                  "end": 514,
                  "ctxt": 0
                },
                "typeName": {
                  "type": "Identifier",
                  "span": {
                    "start": 513,
                    "end": 514,
                    "ctxt": 0
                  },
                  "value": "T",
                  "optional": false
                },
                "typeParams": null
              }
            }
          },
          "kind": "getter",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        },
        {
          "type": "ClassMethod",
          "span": {
            "start": 543,
            "end": 587,
            "ctxt": 0
          },
          "key": {
            "type": "Identifier",
            "span": {
              "start": 543,
              "end": 546,
              "ctxt": 0
            },
            "value": "foo",
            "optional": false
          },
          "function": {
            "params": [],
            "decorators": [],
            "span": {
              "start": 543,
              "end": 587,
              "ctxt": 0
            },
            "body": {
              "type": "BlockStatement",
              "span": {
                "start": 552,
                "end": 587,
                "ctxt": 0
              },
              "stmts": [
                {
                  "type": "ReturnStatement",
                  "span": {
                    "start": 562,
                    "end": 572,
                    "ctxt": 0
                  },
                  "argument": {
                    "type": "StringLiteral",
                    "span": {
                      "start": 569,
                      "end": 571,
                      "ctxt": 0
                    },
                    "value": "",
                    "raw": "''"
                  }
                }
              ]
            },
            "generator": false,
            "async": false,
            "typeParameters": null,
            "returnType": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 548,
                "end": 551,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeReference",
                "span": {
                  "start": 550,
                  "end": 551,
                  "ctxt": 0
                },
                "typeName": {
                  "type": "Identifier",
                  "span": {
                    "start": 550,
                    "end": 551,
                    "ctxt": 0
                  },
                  "value": "T",
                  "optional": false
                },
                "typeParams": null
              }
            }
          },
          "kind": "method",
          "isStatic": false,
          "accessibility": null,
          "isAbstract": false,
          "isOptional": false,
          "isOverride": false
        }
      ],
      "superClass": {
        "type": "Identifier",
        "span": {
          "start": 486,
          "end": 487,
          "ctxt": 0
        },
        "value": "D",
        "optional": false
      },
      "isAbstract": false,
      "typeParams": {
        "type": "TsTypeParameterDeclaration",
        "span": {
          "start": 459,
          "end": 477,
          "ctxt": 0
        },
        "parameters": [
          {
            "type": "TsTypeParameter",
            "span": {
              "start": 460,
              "end": 476,
              "ctxt": 0
            },
            "name": {
              "type": "Identifier",
              "span": {
                "start": 460,
                "end": 461,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "in": false,
            "out": false,
            "constraint": {
              "type": "TsKeywordType",
              "span": {
                "start": 470,
                "end": 476,
                "ctxt": 0
              },
              "kind": "string"
            },
            "default": null
          }
        ]
      },
      "superTypeParams": null,
      "implements": []
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 591,
        "end": 608,
        "ctxt": 0
      },
      "kind": "var",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 595,
            "end": 607,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 595,
              "end": 596,
              "ctxt": 0
            },
            "value": "c",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 596,
                "end": 607,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeReference",
                "span": {
                  "start": 598,
                  "end": 607,
                  "ctxt": 0
                },
                "typeName": {
                  "type": "Identifier",
                  "span": {
                    "start": 598,
                    "end": 599,
                    "ctxt": 0
                  },
                  "value": "C",
                  "optional": false
                },
                "typeParams": {
                  "type": "TsTypeParameterInstantiation",
                  "span": {
                    "start": 599,
                    "end": 607,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 600,
                        "end": 606,
                        "ctxt": 0
                      },
                      "kind": "number"
                    }
                  ]
                }
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 609,
        "end": 618,
        "ctxt": 0
      },
      "kind": "var",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 613,
            "end": 617,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 613,
              "end": 614,
              "ctxt": 0
            },
            "value": "d",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 614,
                "end": 617,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeReference",
                "span": {
                  "start": 616,
                  "end": 617,
                  "ctxt": 0
                },
                "typeName": {
                  "type": "Identifier",
                  "span": {
                    "start": 616,
                    "end": 617,
                    "ctxt": 0
                  },
                  "value": "D",
                  "optional": false
                },
                "typeParams": null
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 619,
        "end": 636,
        "ctxt": 0
      },
      "kind": "var",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 623,
            "end": 635,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 623,
              "end": 624,
              "ctxt": 0
            },
            "value": "e",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 624,
                "end": 635,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeReference",
                "span": {
                  "start": 626,
                  "end": 635,
                  "ctxt": 0
                },
                "typeName": {
                  "type": "Identifier",
                  "span": {
                    "start": 626,
                    "end": 627,
                    "ctxt": 0
                  },
                  "value": "E",
                  "optional": false
                },
                "typeParams": {
                  "type": "TsTypeParameterInstantiation",
                  "span": {
                    "start": 627,
                    "end": 635,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 628,
                        "end": 634,
                        "ctxt": 0
                      },
                      "kind": "string"
                    }
                  ]
                }
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 638,
        "end": 644,
        "ctxt": 0
      },
      "expression": {
        "type": "AssignmentExpression",
        "span": {
          "start": 638,
          "end": 643,
          "ctxt": 0
        },
        "operator": "=",
        "left": {
          "type": "Identifier",
          "span": {
            "start": 638,
            "end": 639,
            "ctxt": 0
          },
          "value": "c",
          "optional": false,
          "typeAnnotation": null
        },
        "right": {
          "type": "Identifier",
          "span": {
            "start": 642,
            "end": 643,
            "ctxt": 0
          },
          "value": "d",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 645,
        "end": 651,
        "ctxt": 0
      },
      "expression": {
        "type": "AssignmentExpression",
        "span": {
          "start": 645,
          "end": 650,
          "ctxt": 0
        },
        "operator": "=",
        "left": {
          "type": "Identifier",
          "span": {
            "start": 645,
            "end": 646,
            "ctxt": 0
          },
          "value": "c",
          "optional": false,
          "typeAnnotation": null
        },
        "right": {
          "type": "Identifier",
          "span": {
            "start": 649,
            "end": 650,
            "ctxt": 0
          },
          "value": "e",
          "optional": false
        }
      }
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 652,
        "end": 668,
        "ctxt": 0
      },
      "kind": "var",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 656,
            "end": 667,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 656,
              "end": 657,
              "ctxt": 0
            },
            "value": "r",
            "optional": false,
            "typeAnnotation": null
          },
          "init": {
            "type": "CallExpression",
            "span": {
              "start": 660,
              "end": 667,
              "ctxt": 0
            },
            "callee": {
              "type": "MemberExpression",
              "span": {
                "start": 660,
                "end": 665,
                "ctxt": 0
              },
              "object": {
                "type": "Identifier",
                "span": {
                  "start": 660,
                  "end": 661,
                  "ctxt": 0
                },
                "value": "c",
                "optional": false
              },
              "property": {
                "type": "Identifier",
                "span": {
                  "start": 662,
                  "end": 665,
                  "ctxt": 0
                },
                "value": "foo",
                "optional": false
              }
            },
            "arguments": [],
            "typeArguments": null
          },
          "definite": false
        }
      ]
    }
  ],
  "interpreter": null
}