{
  "type": "Program",
  "statements": [
    {
      "type": "FunctionDeclaration",
      "function": {
        "type": "ScriptFunction",
        "id": {
          "type": "Identifier",
          "name": "Observed",
          "loc": {
            "start": {
              "line": 17,
              "column": 10
            },
            "end": {
              "line": 17,
              "column": 18
            }
          }
        },
        "generator": false,
        "async": false,
        "expression": false,
        "params": [
          {
            "type": "Identifier",
            "name": "constructor_",
            "typeAnnotation": {
              "type": "TSAnyKeyword",
              "loc": {
                "start": {
                  "line": 17,
                  "column": 33
                },
                "end": {
                  "line": 17,
                  "column": 36
                }
              }
            },
            "loc": {
              "start": {
                "line": 17,
                "column": 19
              },
              "end": {
                "line": 17,
                "column": 31
              }
            }
          },
          {
            "type": "Identifier",
            "name": "_",
            "typeAnnotation": {
              "type": "TSAnyKeyword",
              "loc": {
                "start": {
                  "line": 17,
                  "column": 42
                },
                "end": {
                  "line": 17,
                  "column": 45
                }
              }
            },
            "optional": true,
            "loc": {
              "start": {
                "line": 17,
                "column": 38
              },
              "end": {
                "line": 17,
                "column": 39
              }
            }
          }
        ],
        "body": {
          "type": "BlockStatement",
          "statements": [
            {
              "type": "ReturnStatement",
              "argument": {
                "type": "ClassExpression",
                "definition": {
                  "id": null,
                  "superClass": {
                    "type": "Identifier",
                    "name": "constructor_",
                    "loc": {
                      "start": {
                        "line": 18,
                        "column": 26
                      },
                      "end": {
                        "line": 18,
                        "column": 38
                      }
                    }
                  },
                  "implements": [],
                  "constructor": {
                    "type": "MethodDefinition",
                    "key": {
                      "type": "Identifier",
                      "name": "constructor",
                      "loc": {
                        "start": {
                          "line": 1,
                          "column": 1
                        },
                        "end": {
                          "line": 1,
                          "column": 1
                        }
                      }
                    },
                    "kind": "constructor",
                    "static": false,
                    "optional": false,
                    "computed": false,
                    "value": {
                      "type": "FunctionExpression",
                      "function": {
                        "type": "ScriptFunction",
                        "id": null,
                        "generator": false,
                        "async": false,
                        "expression": false,
                        "params": [
                          {
                            "type": "RestElement",
                            "argument": {
                              "type": "Identifier",
                              "name": "args",
                              "loc": {
                                "start": {
                                  "line": 1,
                                  "column": 1
                                },
                                "end": {
                                  "line": 1,
                                  "column": 1
                                }
                              }
                            },
                            "loc": {
                              "start": {
                                "line": 1,
                                "column": 1
                              },
                              "end": {
                                "line": 1,
                                "column": 1
                              }
                            }
                          }
                        ],
                        "body": {
                          "type": "BlockStatement",
                          "statements": [
                            {
                              "type": "ExpressionStatement",
                              "expression": {
                                "type": "CallExpression",
                                "callee": {
                                  "type": "Super",
                                  "loc": {
                                    "start": {
                                      "line": 1,
                                      "column": 1
                                    },
                                    "end": {
                                      "line": 1,
                                      "column": 1
                                    }
                                  }
                                },
                                "arguments": [
                                  {
                                    "type": "SpreadElement",
                                    "argument": {
                                      "type": "Identifier",
                                      "name": "args",
                                      "loc": {
                                        "start": {
                                          "line": 1,
                                          "column": 1
                                        },
                                        "end": {
                                          "line": 1,
                                          "column": 1
                                        }
                                      }
                                    },
                                    "loc": {
                                      "start": {
                                        "line": 1,
                                        "column": 1
                                      },
                                      "end": {
                                        "line": 1,
                                        "column": 1
                                      }
                                    }
                                  }
                                ],
                                "optional": false,
                                "loc": {
                                  "start": {
                                    "line": 18,
                                    "column": 12
                                  },
                                  "end": {
                                    "line": 18,
                                    "column": 12
                                  }
                                }
                              },
                              "loc": {
                                "start": {
                                  "line": 1,
                                  "column": 1
                                },
                                "end": {
                                  "line": 1,
                                  "column": 1
                                }
                              }
                            }
                          ],
                          "loc": {
                            "start": {
                              "line": 18,
                              "column": 12
                            },
                            "end": {
                              "line": 18,
                              "column": 12
                            }
                          }
                        },
                        "loc": {
                          "start": {
                            "line": 18,
                            "column": 12
                          },
                          "end": {
                            "line": 18,
                            "column": 12
                          }
                        }
                      },
                      "loc": {
                        "start": {
                          "line": 1,
                          "column": 1
                        },
                        "end": {
                          "line": 1,
                          "column": 1
                        }
                      }
                    },
                    "overloads": [],
                    "decorators": [],
                    "annotations": [],
                    "loc": {
                      "start": {
                        "line": 18,
                        "column": 12
                      },
                      "end": {
                        "line": 18,
                        "column": 41
                      }
                    }
                  },
                  "body": [],
                  "indexSignatures": [],
                  "loc": {
                    "start": {
                      "line": 18,
                      "column": 39
                    },
                    "end": {
                      "line": 18,
                      "column": 41
                    }
                  }
                },
                "loc": {
                  "start": {
                    "line": 18,
                    "column": 12
                  },
                  "end": {
                    "line": 18,
                    "column": 41
                  }
                }
              },
              "loc": {
                "start": {
                  "line": 18,
                  "column": 5
                },
                "end": {
                  "line": 18,
                  "column": 41
                }
              }
            }
          ],
          "loc": {
            "start": {
              "line": 17,
              "column": 47
            },
            "end": {
              "line": 19,
              "column": 2
            }
          }
        },
        "loc": {
          "start": {
            "line": 17,
            "column": 1
          },
          "end": {
            "line": 19,
            "column": 2
          }
        }
      },
      "loc": {
        "start": {
          "line": 17,
          "column": 1
        },
        "end": {
          "line": 19,
          "column": 2
        }
      }
    },
    {
      "type": "VariableDeclaration",
      "declarations": [
        {
          "type": "VariableDeclarator",
          "id": {
            "type": "Identifier",
            "name": "##var_2",
            "loc": {
              "start": {
                "line": 22,
                "column": 7
              },
              "end": {
                "line": 22,
                "column": 23
              }
            }
          },
          "init": null,
          "loc": {
            "start": {
              "line": 1,
              "column": 1
            },
            "end": {
              "line": 1,
              "column": 1
            }
          }
        }
      ],
      "kind": "var",
      "loc": {
        "start": {
          "line": 22,
          "column": 1
        },
        "end": {
          "line": 28,
          "column": 2
        }
      }
    },
    {
      "type": "VariableDeclaration",
      "declarations": [
        {
          "type": "VariableDeclarator",
          "id": {
            "type": "Identifier",
            "name": "NVJSONLabelModel",
            "loc": {
              "start": {
                "line": 22,
                "column": 1
              },
              "end": {
                "line": 28,
                "column": 2
              }
            }
          },
          "init": {
            "type": "AssignmentExpression",
            "operator": "=",
            "left": {
              "type": "Identifier",
              "name": "##var_2",
              "loc": {
                "start": {
                  "line": 22,
                  "column": 7
                },
                "end": {
                  "line": 22,
                  "column": 23
                }
              }
            },
            "right": {
              "type": "ClassExpression",
              "definition": {
                "id": {
                  "type": "Identifier",
                  "name": "NVJSONLabelModel",
                  "loc": {
                    "start": {
                      "line": 22,
                      "column": 7
                    },
                    "end": {
                      "line": 22,
                      "column": 23
                    }
                  }
                },
                "superClass": {
                  "type": "Identifier",
                  "name": "Object",
                  "loc": {
                    "start": {
                      "line": 22,
                      "column": 32
                    },
                    "end": {
                      "line": 22,
                      "column": 38
                    }
                  }
                },
                "implements": [],
                "constructor": {
                  "type": "MethodDefinition",
                  "key": {
                    "type": "Identifier",
                    "name": "constructor",
                    "loc": {
                      "start": {
                        "line": 1,
                        "column": 1
                      },
                      "end": {
                        "line": 1,
                        "column": 1
                      }
                    }
                  },
                  "kind": "constructor",
                  "static": false,
                  "optional": false,
                  "computed": false,
                  "value": {
                    "type": "FunctionExpression",
                    "function": {
                      "type": "ScriptFunction",
                      "id": null,
                      "generator": false,
                      "async": false,
                      "expression": false,
                      "params": [
                        {
                          "type": "RestElement",
                          "argument": {
                            "type": "Identifier",
                            "name": "args",
                            "loc": {
                              "start": {
                                "line": 1,
                                "column": 1
                              },
                              "end": {
                                "line": 1,
                                "column": 1
                              }
                            }
                          },
                          "loc": {
                            "start": {
                              "line": 1,
                              "column": 1
                            },
                            "end": {
                              "line": 1,
                              "column": 1
                            }
                          }
                        }
                      ],
                      "body": {
                        "type": "BlockStatement",
                        "statements": [
                          {
                            "type": "ExpressionStatement",
                            "expression": {
                              "type": "CallExpression",
                              "callee": {
                                "type": "Super",
                                "loc": {
                                  "start": {
                                    "line": 1,
                                    "column": 1
                                  },
                                  "end": {
                                    "line": 1,
                                    "column": 1
                                  }
                                }
                              },
                              "arguments": [
                                {
                                  "type": "SpreadElement",
                                  "argument": {
                                    "type": "Identifier",
                                    "name": "args",
                                    "loc": {
                                      "start": {
                                        "line": 1,
                                        "column": 1
                                      },
                                      "end": {
                                        "line": 1,
                                        "column": 1
                                      }
                                    }
                                  },
                                  "loc": {
                                    "start": {
                                      "line": 1,
                                      "column": 1
                                    },
                                    "end": {
                                      "line": 1,
                                      "column": 1
                                    }
                                  }
                                }
                              ],
                              "optional": false,
                              "loc": {
                                "start": {
                                  "line": 22,
                                  "column": 1
                                },
                                "end": {
                                  "line": 22,
                                  "column": 1
                                }
                              }
                            },
                            "loc": {
                              "start": {
                                "line": 1,
                                "column": 1
                              },
                              "end": {
                                "line": 1,
                                "column": 1
                              }
                            }
                          }
                        ],
                        "loc": {
                          "start": {
                            "line": 22,
                            "column": 1
                          },
                          "end": {
                            "line": 22,
                            "column": 1
                          }
                        }
                      },
                      "loc": {
                        "start": {
                          "line": 22,
                          "column": 1
                        },
                        "end": {
                          "line": 22,
                          "column": 1
                        }
                      }
                    },
                    "loc": {
                      "start": {
                        "line": 1,
                        "column": 1
                      },
                      "end": {
                        "line": 1,
                        "column": 1
                      }
                    }
                  },
                  "overloads": [],
                  "decorators": [],
                  "annotations": [],
                  "loc": {
                    "start": {
                      "line": 22,
                      "column": 1
                    },
                    "end": {
                      "line": 28,
                      "column": 2
                    }
                  }
                },
                "body": [
                  {
                    "type": "ClassProperty",
                    "key": {
                      "type": "Identifier",
                      "name": "a",
                      "loc": {
                        "start": {
                          "line": 23,
                          "column": 12
                        },
                        "end": {
                          "line": 23,
                          "column": 13
                        }
                      }
                    },
                    "static": true,
                    "readonly": false,
                    "declare": false,
                    "optional": false,
                    "computed": false,
                    "typeAnnotation": {
                      "type": "TSNumberKeyword",
                      "loc": {
                        "start": {
                          "line": 23,
                          "column": 15
                        },
                        "end": {
                          "line": 23,
                          "column": 21
                        }
                      }
                    },
                    "decorators": [],
                    "loc": {
                      "start": {
                        "line": 23,
                        "column": 5
                      },
                      "end": {
                        "line": 23,
                        "column": 47
                      }
                    }
                  },
                  {
                    "type": "MethodDefinition",
                    "key": {
                      "type": "Identifier",
                      "name": "func",
                      "loc": {
                        "start": {
                          "line": 25,
                          "column": 12
                        },
                        "end": {
                          "line": 25,
                          "column": 16
                        }
                      }
                    },
                    "kind": "method",
                    "static": true,
                    "optional": false,
                    "computed": false,
                    "value": {
                      "type": "FunctionExpression",
                      "function": {
                        "type": "ScriptFunction",
                        "id": null,
                        "generator": false,
                        "async": false,
                        "expression": false,
                        "params": [],
                        "returnType": {
                          "type": "TSNumberKeyword",
                          "loc": {
                            "start": {
                              "line": 25,
                              "column": 19
                            },
                            "end": {
                              "line": 25,
                              "column": 25
                            }
                          }
                        },
                        "body": {
                          "type": "BlockStatement",
                          "statements": [
                            {
                              "type": "ReturnStatement",
                              "argument": {
                                "type": "NumberLiteral",
                                "value": 1,
                                "loc": {
                                  "start": {
                                    "line": 26,
                                    "column": 16
                                  },
                                  "end": {
                                    "line": 26,
                                    "column": 17
                                  }
                                }
                              },
                              "loc": {
                                "start": {
                                  "line": 26,
                                  "column": 9
                                },
                                "end": {
                                  "line": 26,
                                  "column": 18
                                }
                              }
                            }
                          ],
                          "loc": {
                            "start": {
                              "line": 25,
                              "column": 26
                            },
                            "end": {
                              "line": 27,
                              "column": 6
                            }
                          }
                        },
                        "loc": {
                          "start": {
                            "line": 25,
                            "column": 16
                          },
                          "end": {
                            "line": 27,
                            "column": 6
                          }
                        }
                      },
                      "loc": {
                        "start": {
                          "line": 25,
                          "column": 16
                        },
                        "end": {
                          "line": 27,
                          "column": 6
                        }
                      }
                    },
                    "overloads": [],
                    "decorators": [],
                    "annotations": [],
                    "loc": {
                      "start": {
                        "line": 25,
                        "column": 5
                      },
                      "end": {
                        "line": 27,
                        "column": 6
                      }
                    }
                  }
                ],
                "indexSignatures": [],
                "loc": {
                  "start": {
                    "line": 22,
                    "column": 39
                  },
                  "end": {
                    "line": 28,
                    "column": 2
                  }
                }
              },
              "loc": {
                "start": {
                  "line": 1,
                  "column": 1
                },
                "end": {
                  "line": 1,
                  "column": 1
                }
              }
            },
            "loc": {
              "start": {
                "line": 1,
                "column": 1
              },
              "end": {
                "line": 1,
                "column": 1
              }
            }
          },
          "loc": {
            "start": {
              "line": 1,
              "column": 1
            },
            "end": {
              "line": 1,
              "column": 1
            }
          }
        }
      ],
      "kind": "let",
      "loc": {
        "start": {
          "line": 22,
          "column": 1
        },
        "end": {
          "line": 28,
          "column": 2
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "expression": {
        "type": "AssignmentExpression",
        "operator": "=",
        "left": {
          "type": "MemberExpression",
          "object": {
            "type": "Identifier",
            "name": "NVJSONLabelModel",
            "loc": {
              "start": {
                "line": 1,
                "column": 1
              },
              "end": {
                "line": 1,
                "column": 1
              }
            }
          },
          "property": {
            "type": "Identifier",
            "name": "a",
            "loc": {
              "start": {
                "line": 23,
                "column": 12
              },
              "end": {
                "line": 23,
                "column": 13
              }
            }
          },
          "computed": false,
          "optional": false,
          "loc": {
            "start": {
              "line": 1,
              "column": 1
            },
            "end": {
              "line": 1,
              "column": 1
            }
          }
        },
        "right": {
          "type": "CallExpression",
          "callee": {
            "type": "MemberExpression",
            "object": {
              "type": "Identifier",
              "name": "##var_2",
              "loc": {
                "start": {
                  "line": 23,
                  "column": 24
                },
                "end": {
                  "line": 23,
                  "column": 40
                }
              }
            },
            "property": {
              "type": "Identifier",
              "name": "func",
              "loc": {
                "start": {
                  "line": 23,
                  "column": 41
                },
                "end": {
                  "line": 23,
                  "column": 45
                }
              }
            },
            "computed": false,
            "optional": false,
            "loc": {
              "start": {
                "line": 23,
                "column": 24
              },
              "end": {
                "line": 23,
                "column": 45
              }
            }
          },
          "arguments": [],
          "optional": false,
          "loc": {
            "start": {
              "line": 23,
              "column": 24
            },
            "end": {
              "line": 23,
              "column": 47
            }
          }
        },
        "loc": {
          "start": {
            "line": 1,
            "column": 1
          },
          "end": {
            "line": 1,
            "column": 1
          }
        }
      },
      "loc": {
        "start": {
          "line": 22,
          "column": 1
        },
        "end": {
          "line": 28,
          "column": 2
        }
      }
    },
    {
      "type": "VariableDeclaration",
      "declarations": [
        {
          "type": "VariableDeclarator",
          "id": {
            "type": "Identifier",
            "name": "##var_3",
            "loc": {
              "start": {
                "line": 21,
                "column": 1
              },
              "end": {
                "line": 21,
                "column": 10
              }
            }
          },
          "init": {
            "type": "Identifier",
            "name": "Observed",
            "loc": {
              "start": {
                "line": 21,
                "column": 2
              },
              "end": {
                "line": 21,
                "column": 10
              }
            }
          },
          "loc": {
            "start": {
              "line": 1,
              "column": 1
            },
            "end": {
              "line": 1,
              "column": 1
            }
          }
        }
      ],
      "kind": "let",
      "loc": {
        "start": {
          "line": 22,
          "column": 1
        },
        "end": {
          "line": 28,
          "column": 2
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "expression": {
        "type": "AssignmentExpression",
        "operator": "=",
        "left": {
          "type": "Identifier",
          "name": "NVJSONLabelModel",
          "loc": {
            "start": {
              "line": 21,
              "column": 1
            },
            "end": {
              "line": 21,
              "column": 10
            }
          }
        },
        "right": {
          "type": "AssignmentExpression",
          "operator": "=",
          "left": {
            "type": "Identifier",
            "name": "##var_2",
            "loc": {
              "start": {
                "line": 21,
                "column": 1
              },
              "end": {
                "line": 21,
                "column": 10
              }
            }
          },
          "right": {
            "type": "LogicalExpression",
            "operator": "||",
            "left": {
              "type": "CallExpression",
              "callee": {
                "type": "Identifier",
                "name": "##var_3",
                "loc": {
                  "start": {
                    "line": 21,
                    "column": 1
                  },
                  "end": {
                    "line": 21,
                    "column": 10
                  }
                }
              },
              "arguments": [
                {
                  "type": "Identifier",
                  "name": "NVJSONLabelModel",
                  "loc": {
                    "start": {
                      "line": 21,
                      "column": 1
                    },
                    "end": {
                      "line": 21,
                      "column": 10
                    }
                  }
                }
              ],
              "optional": false,
              "loc": {
                "start": {
                  "line": 21,
                  "column": 1
                },
                "end": {
                  "line": 21,
                  "column": 10
                }
              }
            },
            "right": {
              "type": "Identifier",
              "name": "NVJSONLabelModel",
              "loc": {
                "start": {
                  "line": 21,
                  "column": 1
                },
                "end": {
                  "line": 21,
                  "column": 10
                }
              }
            },
            "loc": {
              "start": {
                "line": 21,
                "column": 1
              },
              "end": {
                "line": 21,
                "column": 10
              }
            }
          },
          "loc": {
            "start": {
              "line": 21,
              "column": 1
            },
            "end": {
              "line": 21,
              "column": 10
            }
          }
        },
        "loc": {
          "start": {
            "line": 21,
            "column": 1
          },
          "end": {
            "line": 21,
            "column": 10
          }
        }
      },
      "loc": {
        "start": {
          "line": 22,
          "column": 1
        },
        "end": {
          "line": 28,
          "column": 2
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "expression": {
        "type": "CallExpression",
        "callee": {
          "type": "Identifier",
          "name": "print",
          "loc": {
            "start": {
              "line": 30,
              "column": 1
            },
            "end": {
              "line": 30,
              "column": 6
            }
          }
        },
        "arguments": [
          {
            "type": "CallExpression",
            "callee": {
              "type": "MemberExpression",
              "object": {
                "type": "Identifier",
                "name": "NVJSONLabelModel",
                "loc": {
                  "start": {
                    "line": 30,
                    "column": 7
                  },
                  "end": {
                    "line": 30,
                    "column": 23
                  }
                }
              },
              "property": {
                "type": "Identifier",
                "name": "func",
                "loc": {
                  "start": {
                    "line": 30,
                    "column": 24
                  },
                  "end": {
                    "line": 30,
                    "column": 28
                  }
                }
              },
              "computed": false,
              "optional": false,
              "loc": {
                "start": {
                  "line": 30,
                  "column": 7
                },
                "end": {
                  "line": 30,
                  "column": 28
                }
              }
            },
            "arguments": [],
            "optional": false,
            "loc": {
              "start": {
                "line": 30,
                "column": 7
              },
              "end": {
                "line": 30,
                "column": 30
              }
            }
          }
        ],
        "optional": false,
        "loc": {
          "start": {
            "line": 30,
            "column": 1
          },
          "end": {
            "line": 30,
            "column": 31
          }
        }
      },
      "loc": {
        "start": {
          "line": 30,
          "column": 1
        },
        "end": {
          "line": 30,
          "column": 32
        }
      }
    }
  ],
  "loc": {
    "start": {
      "line": 1,
      "column": 1
    },
    "end": {
      "line": 31,
      "column": 1
    }
  }
}
Illegal ast structure after transform.
