{
  "type": "Program",
  "body": [
    {
      "type": "ImportDeclaration",
      "specifiers": [
        {
          "type": "ImportSpecifier",
          "local": {
            "type": "Identifier",
            "name": "Subscriber",
            "range": [
              9,
              19
            ],
            "loc": {
              "start": {
                "line": 1,
                "column": 9
              },
              "end": {
                "line": 1,
                "column": 19
              }
            }
          },
          "imported": {
            "type": "Identifier",
            "name": "Subscriber",
            "range": [
              9,
              19
            ],
            "loc": {
              "start": {
                "line": 1,
                "column": 9
              },
              "end": {
                "line": 1,
                "column": 19
              }
            }
          },
          "range": [
            9,
            19
          ],
          "loc": {
            "start": {
              "line": 1,
              "column": 9
            },
            "end": {
              "line": 1,
              "column": 19
            }
          }
        }
      ],
      "source": {
        "type": "Literal",
        "value": "../Subscriber",
        "raw": "'../Subscriber'",
        "range": [
          27,
          42
        ],
        "loc": {
          "start": {
            "line": 1,
            "column": 27
          },
          "end": {
            "line": 1,
            "column": 42
          }
        }
      },
      "range": [
        0,
        43
      ],
      "loc": {
        "start": {
          "line": 1,
          "column": 0
        },
        "end": {
          "line": 1,
          "column": 43
        }
      }
    },
    {
      "type": "ImportDeclaration",
      "specifiers": [
        {
          "type": "ImportSpecifier",
          "local": {
            "type": "Identifier",
            "name": "Notification",
            "range": [
              53,
              65
            ],
            "loc": {
              "start": {
                "line": 2,
                "column": 9
              },
              "end": {
                "line": 2,
                "column": 21
              }
            }
          },
          "imported": {
            "type": "Identifier",
            "name": "Notification",
            "range": [
              53,
              65
            ],
            "loc": {
              "start": {
                "line": 2,
                "column": 9
              },
              "end": {
                "line": 2,
                "column": 21
              }
            }
          },
          "range": [
            53,
            65
          ],
          "loc": {
            "start": {
              "line": 2,
              "column": 9
            },
            "end": {
              "line": 2,
              "column": 21
            }
          }
        }
      ],
      "source": {
        "type": "Literal",
        "value": "../Notification",
        "raw": "'../Notification'",
        "range": [
          73,
          90
        ],
        "loc": {
          "start": {
            "line": 2,
            "column": 29
          },
          "end": {
            "line": 2,
            "column": 46
          }
        }
      },
      "range": [
        44,
        91
      ],
      "loc": {
        "start": {
          "line": 2,
          "column": 0
        },
        "end": {
          "line": 2,
          "column": 47
        }
      },
      "trailingComments": [
        {
          "type": "Block",
          "value": "*\n * Represents all of the notifications from the source Observable as `next`\n * emissions marked with their original types within {@link Notification}\n * objects.\n *\n * <span class=\"informal\">Wraps `next`, `error` and `complete` emissions in\n * {@link Notification} objects, emitted as `next` on the output Observable.\n * </span>\n *\n * <img src=\"./img/materialize.png\" width=\"100%\">\n *\n * `materialize` returns an Observable that emits a `next` notification for each\n * `next`, `error`, or `complete` emission of the source Observable. When the\n * source Observable emits `complete`, the output Observable will emit `next` as\n * a Notification of type \"complete\", and then it will emit `complete` as well.\n * When the source Observable emits `error`, the output will emit `next` as a\n * Notification of type \"error\", and then `complete`.\n *\n * This operator is useful for producing metadata of the source Observable, to\n * be consumed as `next` emissions. Use it in conjunction with\n * {@link dematerialize}.\n *\n * @example <caption>Convert a faulty Observable to an Observable of Notifications</caption>\n * var letters = Rx.Observable.of('a', 'b', 13, 'd');\n * var upperCase = letters.map(x => x.toUpperCase());\n * var materialized = upperCase.materialize();\n * materialized.subscribe(x => console.log(x));\n *\n * @see {@link Notification}\n * @see {@link dematerialize}\n *\n * @return {Observable<Notification<T>>} An Observable that emits\n * {@link Notification} objects that wrap the original emissions from the source\n * Observable with metadata.\n * @method materialize\n * @owner Observable\n ",
          "range": [
            92,
            1691
          ],
          "loc": {
            "start": {
              "line": 3,
              "column": 0
            },
            "end": {
              "line": 39,
              "column": 3
            }
          }
        }
      ]
    },
    {
      "type": "ExportNamedDeclaration",
      "declaration": {
        "type": "FunctionDeclaration",
        "id": {
          "type": "Identifier",
          "name": "materialize",
          "range": [
            1708,
            1719
          ],
          "loc": {
            "start": {
              "line": 40,
              "column": 16
            },
            "end": {
              "line": 40,
              "column": 27
            }
          }
        },
        "params": [],
        "body": {
          "type": "BlockStatement",
          "body": [
            {
              "type": "ReturnStatement",
              "argument": {
                "type": "CallExpression",
                "callee": {
                  "type": "MemberExpression",
                  "computed": false,
                  "object": {
                    "type": "ThisExpression",
                    "range": [
                      1735,
                      1739
                    ],
                    "loc": {
                      "start": {
                        "line": 41,
                        "column": 11
                      },
                      "end": {
                        "line": 41,
                        "column": 15
                      }
                    }
                  },
                  "property": {
                    "type": "Identifier",
                    "name": "lift",
                    "range": [
                      1740,
                      1744
                    ],
                    "loc": {
                      "start": {
                        "line": 41,
                        "column": 16
                      },
                      "end": {
                        "line": 41,
                        "column": 20
                      }
                    }
                  },
                  "range": [
                    1735,
                    1744
                  ],
                  "loc": {
                    "start": {
                      "line": 41,
                      "column": 11
                    },
                    "end": {
                      "line": 41,
                      "column": 20
                    }
                  }
                },
                "arguments": [
                  {
                    "type": "NewExpression",
                    "callee": {
                      "type": "Identifier",
                      "name": "MaterializeOperator",
                      "range": [
                        1749,
                        1768
                      ],
                      "loc": {
                        "start": {
                          "line": 41,
                          "column": 25
                        },
                        "end": {
                          "line": 41,
                          "column": 44
                        }
                      }
                    },
                    "arguments": [],
                    "range": [
                      1745,
                      1770
                    ],
                    "loc": {
                      "start": {
                        "line": 41,
                        "column": 21
                      },
                      "end": {
                        "line": 41,
                        "column": 46
                      }
                    }
                  }
                ],
                "range": [
                  1735,
                  1771
                ],
                "loc": {
                  "start": {
                    "line": 41,
                    "column": 11
                  },
                  "end": {
                    "line": 41,
                    "column": 47
                  }
                }
              },
              "range": [
                1728,
                1772
              ],
              "loc": {
                "start": {
                  "line": 41,
                  "column": 4
                },
                "end": {
                  "line": 41,
                  "column": 48
                }
              }
            }
          ],
          "range": [
            1722,
            1774
          ],
          "loc": {
            "start": {
              "line": 40,
              "column": 30
            },
            "end": {
              "line": 42,
              "column": 1
            }
          }
        },
        "generator": false,
        "expression": false,
        "range": [
          1699,
          1774
        ],
        "loc": {
          "start": {
            "line": 40,
            "column": 7
          },
          "end": {
            "line": 42,
            "column": 1
          }
        },
        "leadingComments": [
          {
            "type": "Block",
            "value": "*\n * Represents all of the notifications from the source Observable as `next`\n * emissions marked with their original types within {@link Notification}\n * objects.\n *\n * <span class=\"informal\">Wraps `next`, `error` and `complete` emissions in\n * {@link Notification} objects, emitted as `next` on the output Observable.\n * </span>\n *\n * <img src=\"./img/materialize.png\" width=\"100%\">\n *\n * `materialize` returns an Observable that emits a `next` notification for each\n * `next`, `error`, or `complete` emission of the source Observable. When the\n * source Observable emits `complete`, the output Observable will emit `next` as\n * a Notification of type \"complete\", and then it will emit `complete` as well.\n * When the source Observable emits `error`, the output will emit `next` as a\n * Notification of type \"error\", and then `complete`.\n *\n * This operator is useful for producing metadata of the source Observable, to\n * be consumed as `next` emissions. Use it in conjunction with\n * {@link dematerialize}.\n *\n * @example <caption>Convert a faulty Observable to an Observable of Notifications</caption>\n * var letters = Rx.Observable.of('a', 'b', 13, 'd');\n * var upperCase = letters.map(x => x.toUpperCase());\n * var materialized = upperCase.materialize();\n * materialized.subscribe(x => console.log(x));\n *\n * @see {@link Notification}\n * @see {@link dematerialize}\n *\n * @return {Observable<Notification<T>>} An Observable that emits\n * {@link Notification} objects that wrap the original emissions from the source\n * Observable with metadata.\n * @method materialize\n * @owner Observable\n ",
            "range": [
              92,
              1691
            ],
            "loc": {
              "start": {
                "line": 3,
                "column": 0
              },
              "end": {
                "line": 39,
                "column": 3
              }
            }
          }
        ],
        "trailingComments": []
      },
      "specifiers": [],
      "source": null,
      "range": [
        1692,
        1774
      ],
      "loc": {
        "start": {
          "line": 40,
          "column": 0
        },
        "end": {
          "line": 42,
          "column": 1
        }
      },
      "leadingComments": [
        {
          "type": "Block",
          "value": "*\n * Represents all of the notifications from the source Observable as `next`\n * emissions marked with their original types within {@link Notification}\n * objects.\n *\n * <span class=\"informal\">Wraps `next`, `error` and `complete` emissions in\n * {@link Notification} objects, emitted as `next` on the output Observable.\n * </span>\n *\n * <img src=\"./img/materialize.png\" width=\"100%\">\n *\n * `materialize` returns an Observable that emits a `next` notification for each\n * `next`, `error`, or `complete` emission of the source Observable. When the\n * source Observable emits `complete`, the output Observable will emit `next` as\n * a Notification of type \"complete\", and then it will emit `complete` as well.\n * When the source Observable emits `error`, the output will emit `next` as a\n * Notification of type \"error\", and then `complete`.\n *\n * This operator is useful for producing metadata of the source Observable, to\n * be consumed as `next` emissions. Use it in conjunction with\n * {@link dematerialize}.\n *\n * @example <caption>Convert a faulty Observable to an Observable of Notifications</caption>\n * var letters = Rx.Observable.of('a', 'b', 13, 'd');\n * var upperCase = letters.map(x => x.toUpperCase());\n * var materialized = upperCase.materialize();\n * materialized.subscribe(x => console.log(x));\n *\n * @see {@link Notification}\n * @see {@link dematerialize}\n *\n * @return {Observable<Notification<T>>} An Observable that emits\n * {@link Notification} objects that wrap the original emissions from the source\n * Observable with metadata.\n * @method materialize\n * @owner Observable\n ",
          "range": [
            92,
            1691
          ],
          "loc": {
            "start": {
              "line": 3,
              "column": 0
            },
            "end": {
              "line": 39,
              "column": 3
            }
          }
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "declarations": [
        {
          "type": "VariableDeclarator",
          "id": {
            "type": "Identifier",
            "name": "MaterializeOperator",
            "range": [
              1779,
              1798
            ],
            "loc": {
              "start": {
                "line": 43,
                "column": 4
              },
              "end": {
                "line": 43,
                "column": 23
              }
            }
          },
          "init": {
            "type": "CallExpression",
            "callee": {
              "type": "FunctionExpression",
              "id": null,
              "params": [],
              "body": {
                "type": "BlockStatement",
                "body": [
                  {
                    "type": "FunctionDeclaration",
                    "id": {
                      "type": "Identifier",
                      "name": "MaterializeOperator",
                      "range": [
                        1829,
                        1848
                      ],
                      "loc": {
                        "start": {
                          "line": 44,
                          "column": 13
                        },
                        "end": {
                          "line": 44,
                          "column": 32
                        }
                      }
                    },
                    "params": [],
                    "body": {
                      "type": "BlockStatement",
                      "body": [],
                      "range": [
                        1851,
                        1858
                      ],
                      "loc": {
                        "start": {
                          "line": 44,
                          "column": 35
                        },
                        "end": {
                          "line": 45,
                          "column": 5
                        }
                      }
                    },
                    "generator": false,
                    "expression": false,
                    "range": [
                      1820,
                      1858
                    ],
                    "loc": {
                      "start": {
                        "line": 44,
                        "column": 4
                      },
                      "end": {
                        "line": 45,
                        "column": 5
                      }
                    }
                  },
                  {
                    "type": "ExpressionStatement",
                    "expression": {
                      "type": "AssignmentExpression",
                      "operator": "=",
                      "left": {
                        "type": "MemberExpression",
                        "computed": false,
                        "object": {
                          "type": "MemberExpression",
                          "computed": false,
                          "object": {
                            "type": "Identifier",
                            "name": "MaterializeOperator",
                            "range": [
                              1863,
                              1882
                            ],
                            "loc": {
                              "start": {
                                "line": 46,
                                "column": 4
                              },
                              "end": {
                                "line": 46,
                                "column": 23
                              }
                            }
                          },
                          "property": {
                            "type": "Identifier",
                            "name": "prototype",
                            "range": [
                              1883,
                              1892
                            ],
                            "loc": {
                              "start": {
                                "line": 46,
                                "column": 24
                              },
                              "end": {
                                "line": 46,
                                "column": 33
                              }
                            }
                          },
                          "range": [
                            1863,
                            1892
                          ],
                          "loc": {
                            "start": {
                              "line": 46,
                              "column": 4
                            },
                            "end": {
                              "line": 46,
                              "column": 33
                            }
                          }
                        },
                        "property": {
                          "type": "Identifier",
                          "name": "call",
                          "range": [
                            1893,
                            1897
                          ],
                          "loc": {
                            "start": {
                              "line": 46,
                              "column": 34
                            },
                            "end": {
                              "line": 46,
                              "column": 38
                            }
                          }
                        },
                        "range": [
                          1863,
                          1897
                        ],
                        "loc": {
                          "start": {
                            "line": 46,
                            "column": 4
                          },
                          "end": {
                            "line": 46,
                            "column": 38
                          }
                        }
                      },
                      "right": {
                        "type": "FunctionExpression",
                        "id": null,
                        "params": [
                          {
                            "type": "Identifier",
                            "name": "subscriber",
                            "range": [
                              1910,
                              1920
                            ],
                            "loc": {
                              "start": {
                                "line": 46,
                                "column": 51
                              },
                              "end": {
                                "line": 46,
                                "column": 61
                              }
                            }
                          },
                          {
                            "type": "Identifier",
                            "name": "source",
                            "range": [
                              1922,
                              1928
                            ],
                            "loc": {
                              "start": {
                                "line": 46,
                                "column": 63
                              },
                              "end": {
                                "line": 46,
                                "column": 69
                              }
                            }
                          }
                        ],
                        "body": {
                          "type": "BlockStatement",
                          "body": [
                            {
                              "type": "ReturnStatement",
                              "argument": {
                                "type": "CallExpression",
                                "callee": {
                                  "type": "MemberExpression",
                                  "computed": false,
                                  "object": {
                                    "type": "Identifier",
                                    "name": "source",
                                    "range": [
                                      1947,
                                      1953
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 47,
                                        "column": 15
                                      },
                                      "end": {
                                        "line": 47,
                                        "column": 21
                                      }
                                    }
                                  },
                                  "property": {
                                    "type": "Identifier",
                                    "name": "_subscribe",
                                    "range": [
                                      1954,
                                      1964
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 47,
                                        "column": 22
                                      },
                                      "end": {
                                        "line": 47,
                                        "column": 32
                                      }
                                    }
                                  },
                                  "range": [
                                    1947,
                                    1964
                                  ],
                                  "loc": {
                                    "start": {
                                      "line": 47,
                                      "column": 15
                                    },
                                    "end": {
                                      "line": 47,
                                      "column": 32
                                    }
                                  }
                                },
                                "arguments": [
                                  {
                                    "type": "NewExpression",
                                    "callee": {
                                      "type": "Identifier",
                                      "name": "MaterializeSubscriber",
                                      "range": [
                                        1969,
                                        1990
                                      ],
                                      "loc": {
                                        "start": {
                                          "line": 47,
                                          "column": 37
                                        },
                                        "end": {
                                          "line": 47,
                                          "column": 58
                                        }
                                      }
                                    },
                                    "arguments": [
                                      {
                                        "type": "Identifier",
                                        "name": "subscriber",
                                        "range": [
                                          1991,
                                          2001
                                        ],
                                        "loc": {
                                          "start": {
                                            "line": 47,
                                            "column": 59
                                          },
                                          "end": {
                                            "line": 47,
                                            "column": 69
                                          }
                                        }
                                      }
                                    ],
                                    "range": [
                                      1965,
                                      2002
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 47,
                                        "column": 33
                                      },
                                      "end": {
                                        "line": 47,
                                        "column": 70
                                      }
                                    }
                                  }
                                ],
                                "range": [
                                  1947,
                                  2003
                                ],
                                "loc": {
                                  "start": {
                                    "line": 47,
                                    "column": 15
                                  },
                                  "end": {
                                    "line": 47,
                                    "column": 71
                                  }
                                }
                              },
                              "range": [
                                1940,
                                2004
                              ],
                              "loc": {
                                "start": {
                                  "line": 47,
                                  "column": 8
                                },
                                "end": {
                                  "line": 47,
                                  "column": 72
                                }
                              }
                            }
                          ],
                          "range": [
                            1930,
                            2010
                          ],
                          "loc": {
                            "start": {
                              "line": 46,
                              "column": 71
                            },
                            "end": {
                              "line": 48,
                              "column": 5
                            }
                          }
                        },
                        "generator": false,
                        "expression": false,
                        "range": [
                          1900,
                          2010
                        ],
                        "loc": {
                          "start": {
                            "line": 46,
                            "column": 41
                          },
                          "end": {
                            "line": 48,
                            "column": 5
                          }
                        }
                      },
                      "range": [
                        1863,
                        2010
                      ],
                      "loc": {
                        "start": {
                          "line": 46,
                          "column": 4
                        },
                        "end": {
                          "line": 48,
                          "column": 5
                        }
                      }
                    },
                    "range": [
                      1863,
                      2011
                    ],
                    "loc": {
                      "start": {
                        "line": 46,
                        "column": 4
                      },
                      "end": {
                        "line": 48,
                        "column": 6
                      }
                    }
                  },
                  {
                    "type": "ReturnStatement",
                    "argument": {
                      "type": "Identifier",
                      "name": "MaterializeOperator",
                      "range": [
                        2023,
                        2042
                      ],
                      "loc": {
                        "start": {
                          "line": 49,
                          "column": 11
                        },
                        "end": {
                          "line": 49,
                          "column": 30
                        }
                      }
                    },
                    "range": [
                      2016,
                      2043
                    ],
                    "loc": {
                      "start": {
                        "line": 49,
                        "column": 4
                      },
                      "end": {
                        "line": 49,
                        "column": 31
                      }
                    }
                  }
                ],
                "range": [
                  1814,
                  2045
                ],
                "loc": {
                  "start": {
                    "line": 43,
                    "column": 39
                  },
                  "end": {
                    "line": 50,
                    "column": 1
                  }
                }
              },
              "generator": false,
              "expression": false,
              "range": [
                1802,
                2045
              ],
              "loc": {
                "start": {
                  "line": 43,
                  "column": 27
                },
                "end": {
                  "line": 50,
                  "column": 1
                }
              }
            },
            "arguments": [],
            "range": [
              1802,
              2047
            ],
            "loc": {
              "start": {
                "line": 43,
                "column": 27
              },
              "end": {
                "line": 50,
                "column": 3
              }
            }
          },
          "range": [
            1779,
            2048
          ],
          "loc": {
            "start": {
              "line": 43,
              "column": 4
            },
            "end": {
              "line": 50,
              "column": 4
            }
          }
        }
      ],
      "kind": "var",
      "range": [
        1775,
        2049
      ],
      "loc": {
        "start": {
          "line": 43,
          "column": 0
        },
        "end": {
          "line": 50,
          "column": 5
        }
      },
      "trailingComments": [
        {
          "type": "Block",
          "value": "*\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n ",
          "range": [
            2050,
            2141
          ],
          "loc": {
            "start": {
              "line": 51,
              "column": 0
            },
            "end": {
              "line": 55,
              "column": 3
            }
          }
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "declarations": [
        {
          "type": "VariableDeclarator",
          "id": {
            "type": "Identifier",
            "name": "MaterializeSubscriber",
            "range": [
              2146,
              2167
            ],
            "loc": {
              "start": {
                "line": 56,
                "column": 4
              },
              "end": {
                "line": 56,
                "column": 25
              }
            }
          },
          "init": {
            "type": "CallExpression",
            "callee": {
              "type": "FunctionExpression",
              "id": null,
              "params": [
                {
                  "type": "Identifier",
                  "name": "_super",
                  "range": [
                    2181,
                    2187
                  ],
                  "loc": {
                    "start": {
                      "line": 56,
                      "column": 39
                    },
                    "end": {
                      "line": 56,
                      "column": 45
                    }
                  }
                }
              ],
              "body": {
                "type": "BlockStatement",
                "body": [
                  {
                    "type": "ExpressionStatement",
                    "expression": {
                      "type": "CallExpression",
                      "callee": {
                        "type": "Identifier",
                        "name": "__extends",
                        "range": [
                          2195,
                          2204
                        ],
                        "loc": {
                          "start": {
                            "line": 57,
                            "column": 4
                          },
                          "end": {
                            "line": 57,
                            "column": 13
                          }
                        }
                      },
                      "arguments": [
                        {
                          "type": "Identifier",
                          "name": "MaterializeSubscriber",
                          "range": [
                            2205,
                            2226
                          ],
                          "loc": {
                            "start": {
                              "line": 57,
                              "column": 14
                            },
                            "end": {
                              "line": 57,
                              "column": 35
                            }
                          }
                        },
                        {
                          "type": "Identifier",
                          "name": "_super",
                          "range": [
                            2228,
                            2234
                          ],
                          "loc": {
                            "start": {
                              "line": 57,
                              "column": 37
                            },
                            "end": {
                              "line": 57,
                              "column": 43
                            }
                          }
                        }
                      ],
                      "range": [
                        2195,
                        2235
                      ],
                      "loc": {
                        "start": {
                          "line": 57,
                          "column": 4
                        },
                        "end": {
                          "line": 57,
                          "column": 44
                        }
                      }
                    },
                    "range": [
                      2195,
                      2236
                    ],
                    "loc": {
                      "start": {
                        "line": 57,
                        "column": 4
                      },
                      "end": {
                        "line": 57,
                        "column": 45
                      }
                    }
                  },
                  {
                    "type": "FunctionDeclaration",
                    "id": {
                      "type": "Identifier",
                      "name": "MaterializeSubscriber",
                      "range": [
                        2250,
                        2271
                      ],
                      "loc": {
                        "start": {
                          "line": 58,
                          "column": 13
                        },
                        "end": {
                          "line": 58,
                          "column": 34
                        }
                      }
                    },
                    "params": [
                      {
                        "type": "Identifier",
                        "name": "destination",
                        "range": [
                          2272,
                          2283
                        ],
                        "loc": {
                          "start": {
                            "line": 58,
                            "column": 35
                          },
                          "end": {
                            "line": 58,
                            "column": 46
                          }
                        }
                      }
                    ],
                    "body": {
                      "type": "BlockStatement",
                      "body": [
                        {
                          "type": "ExpressionStatement",
                          "expression": {
                            "type": "CallExpression",
                            "callee": {
                              "type": "MemberExpression",
                              "computed": false,
                              "object": {
                                "type": "Identifier",
                                "name": "_super",
                                "range": [
                                  2295,
                                  2301
                                ],
                                "loc": {
                                  "start": {
                                    "line": 59,
                                    "column": 8
                                  },
                                  "end": {
                                    "line": 59,
                                    "column": 14
                                  }
                                }
                              },
                              "property": {
                                "type": "Identifier",
                                "name": "call",
                                "range": [
                                  2302,
                                  2306
                                ],
                                "loc": {
                                  "start": {
                                    "line": 59,
                                    "column": 15
                                  },
                                  "end": {
                                    "line": 59,
                                    "column": 19
                                  }
                                }
                              },
                              "range": [
                                2295,
                                2306
                              ],
                              "loc": {
                                "start": {
                                  "line": 59,
                                  "column": 8
                                },
                                "end": {
                                  "line": 59,
                                  "column": 19
                                }
                              }
                            },
                            "arguments": [
                              {
                                "type": "ThisExpression",
                                "range": [
                                  2307,
                                  2311
                                ],
                                "loc": {
                                  "start": {
                                    "line": 59,
                                    "column": 20
                                  },
                                  "end": {
                                    "line": 59,
                                    "column": 24
                                  }
                                }
                              },
                              {
                                "type": "Identifier",
                                "name": "destination",
                                "range": [
                                  2313,
                                  2324
                                ],
                                "loc": {
                                  "start": {
                                    "line": 59,
                                    "column": 26
                                  },
                                  "end": {
                                    "line": 59,
                                    "column": 37
                                  }
                                }
                              }
                            ],
                            "range": [
                              2295,
                              2325
                            ],
                            "loc": {
                              "start": {
                                "line": 59,
                                "column": 8
                              },
                              "end": {
                                "line": 59,
                                "column": 38
                              }
                            }
                          },
                          "range": [
                            2295,
                            2326
                          ],
                          "loc": {
                            "start": {
                              "line": 59,
                              "column": 8
                            },
                            "end": {
                              "line": 59,
                              "column": 39
                            }
                          }
                        }
                      ],
                      "range": [
                        2285,
                        2332
                      ],
                      "loc": {
                        "start": {
                          "line": 58,
                          "column": 48
                        },
                        "end": {
                          "line": 60,
                          "column": 5
                        }
                      }
                    },
                    "generator": false,
                    "expression": false,
                    "range": [
                      2241,
                      2332
                    ],
                    "loc": {
                      "start": {
                        "line": 58,
                        "column": 4
                      },
                      "end": {
                        "line": 60,
                        "column": 5
                      }
                    }
                  },
                  {
                    "type": "ExpressionStatement",
                    "expression": {
                      "type": "AssignmentExpression",
                      "operator": "=",
                      "left": {
                        "type": "MemberExpression",
                        "computed": false,
                        "object": {
                          "type": "MemberExpression",
                          "computed": false,
                          "object": {
                            "type": "Identifier",
                            "name": "MaterializeSubscriber",
                            "range": [
                              2337,
                              2358
                            ],
                            "loc": {
                              "start": {
                                "line": 61,
                                "column": 4
                              },
                              "end": {
                                "line": 61,
                                "column": 25
                              }
                            }
                          },
                          "property": {
                            "type": "Identifier",
                            "name": "prototype",
                            "range": [
                              2359,
                              2368
                            ],
                            "loc": {
                              "start": {
                                "line": 61,
                                "column": 26
                              },
                              "end": {
                                "line": 61,
                                "column": 35
                              }
                            }
                          },
                          "range": [
                            2337,
                            2368
                          ],
                          "loc": {
                            "start": {
                              "line": 61,
                              "column": 4
                            },
                            "end": {
                              "line": 61,
                              "column": 35
                            }
                          }
                        },
                        "property": {
                          "type": "Identifier",
                          "name": "_next",
                          "range": [
                            2369,
                            2374
                          ],
                          "loc": {
                            "start": {
                              "line": 61,
                              "column": 36
                            },
                            "end": {
                              "line": 61,
                              "column": 41
                            }
                          }
                        },
                        "range": [
                          2337,
                          2374
                        ],
                        "loc": {
                          "start": {
                            "line": 61,
                            "column": 4
                          },
                          "end": {
                            "line": 61,
                            "column": 41
                          }
                        }
                      },
                      "right": {
                        "type": "FunctionExpression",
                        "id": null,
                        "params": [
                          {
                            "type": "Identifier",
                            "name": "value",
                            "range": [
                              2387,
                              2392
                            ],
                            "loc": {
                              "start": {
                                "line": 61,
                                "column": 54
                              },
                              "end": {
                                "line": 61,
                                "column": 59
                              }
                            }
                          }
                        ],
                        "body": {
                          "type": "BlockStatement",
                          "body": [
                            {
                              "type": "ExpressionStatement",
                              "expression": {
                                "type": "CallExpression",
                                "callee": {
                                  "type": "MemberExpression",
                                  "computed": false,
                                  "object": {
                                    "type": "MemberExpression",
                                    "computed": false,
                                    "object": {
                                      "type": "ThisExpression",
                                      "range": [
                                        2404,
                                        2408
                                      ],
                                      "loc": {
                                        "start": {
                                          "line": 62,
                                          "column": 8
                                        },
                                        "end": {
                                          "line": 62,
                                          "column": 12
                                        }
                                      }
                                    },
                                    "property": {
                                      "type": "Identifier",
                                      "name": "destination",
                                      "range": [
                                        2409,
                                        2420
                                      ],
                                      "loc": {
                                        "start": {
                                          "line": 62,
                                          "column": 13
                                        },
                                        "end": {
                                          "line": 62,
                                          "column": 24
                                        }
                                      }
                                    },
                                    "range": [
                                      2404,
                                      2420
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 62,
                                        "column": 8
                                      },
                                      "end": {
                                        "line": 62,
                                        "column": 24
                                      }
                                    }
                                  },
                                  "property": {
                                    "type": "Identifier",
                                    "name": "next",
                                    "range": [
                                      2421,
                                      2425
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 62,
                                        "column": 25
                                      },
                                      "end": {
                                        "line": 62,
                                        "column": 29
                                      }
                                    }
                                  },
                                  "range": [
                                    2404,
                                    2425
                                  ],
                                  "loc": {
                                    "start": {
                                      "line": 62,
                                      "column": 8
                                    },
                                    "end": {
                                      "line": 62,
                                      "column": 29
                                    }
                                  }
                                },
                                "arguments": [
                                  {
                                    "type": "CallExpression",
                                    "callee": {
                                      "type": "MemberExpression",
                                      "computed": false,
                                      "object": {
                                        "type": "Identifier",
                                        "name": "Notification",
                                        "range": [
                                          2426,
                                          2438
                                        ],
                                        "loc": {
                                          "start": {
                                            "line": 62,
                                            "column": 30
                                          },
                                          "end": {
                                            "line": 62,
                                            "column": 42
                                          }
                                        }
                                      },
                                      "property": {
                                        "type": "Identifier",
                                        "name": "createNext",
                                        "range": [
                                          2439,
                                          2449
                                        ],
                                        "loc": {
                                          "start": {
                                            "line": 62,
                                            "column": 43
                                          },
                                          "end": {
                                            "line": 62,
                                            "column": 53
                                          }
                                        }
                                      },
                                      "range": [
                                        2426,
                                        2449
                                      ],
                                      "loc": {
                                        "start": {
                                          "line": 62,
                                          "column": 30
                                        },
                                        "end": {
                                          "line": 62,
                                          "column": 53
                                        }
                                      }
                                    },
                                    "arguments": [
                                      {
                                        "type": "Identifier",
                                        "name": "value",
                                        "range": [
                                          2450,
                                          2455
                                        ],
                                        "loc": {
                                          "start": {
                                            "line": 62,
                                            "column": 54
                                          },
                                          "end": {
                                            "line": 62,
                                            "column": 59
                                          }
                                        }
                                      }
                                    ],
                                    "range": [
                                      2426,
                                      2456
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 62,
                                        "column": 30
                                      },
                                      "end": {
                                        "line": 62,
                                        "column": 60
                                      }
                                    }
                                  }
                                ],
                                "range": [
                                  2404,
                                  2457
                                ],
                                "loc": {
                                  "start": {
                                    "line": 62,
                                    "column": 8
                                  },
                                  "end": {
                                    "line": 62,
                                    "column": 61
                                  }
                                }
                              },
                              "range": [
                                2404,
                                2458
                              ],
                              "loc": {
                                "start": {
                                  "line": 62,
                                  "column": 8
                                },
                                "end": {
                                  "line": 62,
                                  "column": 62
                                }
                              }
                            }
                          ],
                          "range": [
                            2394,
                            2464
                          ],
                          "loc": {
                            "start": {
                              "line": 61,
                              "column": 61
                            },
                            "end": {
                              "line": 63,
                              "column": 5
                            }
                          }
                        },
                        "generator": false,
                        "expression": false,
                        "range": [
                          2377,
                          2464
                        ],
                        "loc": {
                          "start": {
                            "line": 61,
                            "column": 44
                          },
                          "end": {
                            "line": 63,
                            "column": 5
                          }
                        }
                      },
                      "range": [
                        2337,
                        2464
                      ],
                      "loc": {
                        "start": {
                          "line": 61,
                          "column": 4
                        },
                        "end": {
                          "line": 63,
                          "column": 5
                        }
                      }
                    },
                    "range": [
                      2337,
                      2465
                    ],
                    "loc": {
                      "start": {
                        "line": 61,
                        "column": 4
                      },
                      "end": {
                        "line": 63,
                        "column": 6
                      }
                    }
                  },
                  {
                    "type": "ExpressionStatement",
                    "expression": {
                      "type": "AssignmentExpression",
                      "operator": "=",
                      "left": {
                        "type": "MemberExpression",
                        "computed": false,
                        "object": {
                          "type": "MemberExpression",
                          "computed": false,
                          "object": {
                            "type": "Identifier",
                            "name": "MaterializeSubscriber",
                            "range": [
                              2470,
                              2491
                            ],
                            "loc": {
                              "start": {
                                "line": 64,
                                "column": 4
                              },
                              "end": {
                                "line": 64,
                                "column": 25
                              }
                            }
                          },
                          "property": {
                            "type": "Identifier",
                            "name": "prototype",
                            "range": [
                              2492,
                              2501
                            ],
                            "loc": {
                              "start": {
                                "line": 64,
                                "column": 26
                              },
                              "end": {
                                "line": 64,
                                "column": 35
                              }
                            }
                          },
                          "range": [
                            2470,
                            2501
                          ],
                          "loc": {
                            "start": {
                              "line": 64,
                              "column": 4
                            },
                            "end": {
                              "line": 64,
                              "column": 35
                            }
                          }
                        },
                        "property": {
                          "type": "Identifier",
                          "name": "_error",
                          "range": [
                            2502,
                            2508
                          ],
                          "loc": {
                            "start": {
                              "line": 64,
                              "column": 36
                            },
                            "end": {
                              "line": 64,
                              "column": 42
                            }
                          }
                        },
                        "range": [
                          2470,
                          2508
                        ],
                        "loc": {
                          "start": {
                            "line": 64,
                            "column": 4
                          },
                          "end": {
                            "line": 64,
                            "column": 42
                          }
                        }
                      },
                      "right": {
                        "type": "FunctionExpression",
                        "id": null,
                        "params": [
                          {
                            "type": "Identifier",
                            "name": "err",
                            "range": [
                              2521,
                              2524
                            ],
                            "loc": {
                              "start": {
                                "line": 64,
                                "column": 55
                              },
                              "end": {
                                "line": 64,
                                "column": 58
                              }
                            }
                          }
                        ],
                        "body": {
                          "type": "BlockStatement",
                          "body": [
                            {
                              "type": "VariableDeclaration",
                              "declarations": [
                                {
                                  "type": "VariableDeclarator",
                                  "id": {
                                    "type": "Identifier",
                                    "name": "destination",
                                    "range": [
                                      2540,
                                      2551
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 65,
                                        "column": 12
                                      },
                                      "end": {
                                        "line": 65,
                                        "column": 23
                                      }
                                    }
                                  },
                                  "init": {
                                    "type": "MemberExpression",
                                    "computed": false,
                                    "object": {
                                      "type": "ThisExpression",
                                      "range": [
                                        2554,
                                        2558
                                      ],
                                      "loc": {
                                        "start": {
                                          "line": 65,
                                          "column": 26
                                        },
                                        "end": {
                                          "line": 65,
                                          "column": 30
                                        }
                                      }
                                    },
                                    "property": {
                                      "type": "Identifier",
                                      "name": "destination",
                                      "range": [
                                        2559,
                                        2570
                                      ],
                                      "loc": {
                                        "start": {
                                          "line": 65,
                                          "column": 31
                                        },
                                        "end": {
                                          "line": 65,
                                          "column": 42
                                        }
                                      }
                                    },
                                    "range": [
                                      2554,
                                      2570
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 65,
                                        "column": 26
                                      },
                                      "end": {
                                        "line": 65,
                                        "column": 42
                                      }
                                    }
                                  },
                                  "range": [
                                    2540,
                                    2570
                                  ],
                                  "loc": {
                                    "start": {
                                      "line": 65,
                                      "column": 12
                                    },
                                    "end": {
                                      "line": 65,
                                      "column": 42
                                    }
                                  }
                                }
                              ],
                              "kind": "var",
                              "range": [
                                2536,
                                2571
                              ],
                              "loc": {
                                "start": {
                                  "line": 65,
                                  "column": 8
                                },
                                "end": {
                                  "line": 65,
                                  "column": 43
                                }
                              }
                            },
                            {
                              "type": "ExpressionStatement",
                              "expression": {
                                "type": "CallExpression",
                                "callee": {
                                  "type": "MemberExpression",
                                  "computed": false,
                                  "object": {
                                    "type": "Identifier",
                                    "name": "destination",
                                    "range": [
                                      2580,
                                      2591
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 66,
                                        "column": 8
                                      },
                                      "end": {
                                        "line": 66,
                                        "column": 19
                                      }
                                    }
                                  },
                                  "property": {
                                    "type": "Identifier",
                                    "name": "next",
                                    "range": [
                                      2592,
                                      2596
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 66,
                                        "column": 20
                                      },
                                      "end": {
                                        "line": 66,
                                        "column": 24
                                      }
                                    }
                                  },
                                  "range": [
                                    2580,
                                    2596
                                  ],
                                  "loc": {
                                    "start": {
                                      "line": 66,
                                      "column": 8
                                    },
                                    "end": {
                                      "line": 66,
                                      "column": 24
                                    }
                                  }
                                },
                                "arguments": [
                                  {
                                    "type": "CallExpression",
                                    "callee": {
                                      "type": "MemberExpression",
                                      "computed": false,
                                      "object": {
                                        "type": "Identifier",
                                        "name": "Notification",
                                        "range": [
                                          2597,
                                          2609
                                        ],
                                        "loc": {
                                          "start": {
                                            "line": 66,
                                            "column": 25
                                          },
                                          "end": {
                                            "line": 66,
                                            "column": 37
                                          }
                                        }
                                      },
                                      "property": {
                                        "type": "Identifier",
                                        "name": "createError",
                                        "range": [
                                          2610,
                                          2621
                                        ],
                                        "loc": {
                                          "start": {
                                            "line": 66,
                                            "column": 38
                                          },
                                          "end": {
                                            "line": 66,
                                            "column": 49
                                          }
                                        }
                                      },
                                      "range": [
                                        2597,
                                        2621
                                      ],
                                      "loc": {
                                        "start": {
                                          "line": 66,
                                          "column": 25
                                        },
                                        "end": {
                                          "line": 66,
                                          "column": 49
                                        }
                                      }
                                    },
                                    "arguments": [
                                      {
                                        "type": "Identifier",
                                        "name": "err",
                                        "range": [
                                          2622,
                                          2625
                                        ],
                                        "loc": {
                                          "start": {
                                            "line": 66,
                                            "column": 50
                                          },
                                          "end": {
                                            "line": 66,
                                            "column": 53
                                          }
                                        }
                                      }
                                    ],
                                    "range": [
                                      2597,
                                      2626
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 66,
                                        "column": 25
                                      },
                                      "end": {
                                        "line": 66,
                                        "column": 54
                                      }
                                    }
                                  }
                                ],
                                "range": [
                                  2580,
                                  2627
                                ],
                                "loc": {
                                  "start": {
                                    "line": 66,
                                    "column": 8
                                  },
                                  "end": {
                                    "line": 66,
                                    "column": 55
                                  }
                                }
                              },
                              "range": [
                                2580,
                                2628
                              ],
                              "loc": {
                                "start": {
                                  "line": 66,
                                  "column": 8
                                },
                                "end": {
                                  "line": 66,
                                  "column": 56
                                }
                              }
                            },
                            {
                              "type": "ExpressionStatement",
                              "expression": {
                                "type": "CallExpression",
                                "callee": {
                                  "type": "MemberExpression",
                                  "computed": false,
                                  "object": {
                                    "type": "Identifier",
                                    "name": "destination",
                                    "range": [
                                      2637,
                                      2648
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 67,
                                        "column": 8
                                      },
                                      "end": {
                                        "line": 67,
                                        "column": 19
                                      }
                                    }
                                  },
                                  "property": {
                                    "type": "Identifier",
                                    "name": "complete",
                                    "range": [
                                      2649,
                                      2657
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 67,
                                        "column": 20
                                      },
                                      "end": {
                                        "line": 67,
                                        "column": 28
                                      }
                                    }
                                  },
                                  "range": [
                                    2637,
                                    2657
                                  ],
                                  "loc": {
                                    "start": {
                                      "line": 67,
                                      "column": 8
                                    },
                                    "end": {
                                      "line": 67,
                                      "column": 28
                                    }
                                  }
                                },
                                "arguments": [],
                                "range": [
                                  2637,
                                  2659
                                ],
                                "loc": {
                                  "start": {
                                    "line": 67,
                                    "column": 8
                                  },
                                  "end": {
                                    "line": 67,
                                    "column": 30
                                  }
                                }
                              },
                              "range": [
                                2637,
                                2660
                              ],
                              "loc": {
                                "start": {
                                  "line": 67,
                                  "column": 8
                                },
                                "end": {
                                  "line": 67,
                                  "column": 31
                                }
                              }
                            }
                          ],
                          "range": [
                            2526,
                            2666
                          ],
                          "loc": {
                            "start": {
                              "line": 64,
                              "column": 60
                            },
                            "end": {
                              "line": 68,
                              "column": 5
                            }
                          }
                        },
                        "generator": false,
                        "expression": false,
                        "range": [
                          2511,
                          2666
                        ],
                        "loc": {
                          "start": {
                            "line": 64,
                            "column": 45
                          },
                          "end": {
                            "line": 68,
                            "column": 5
                          }
                        }
                      },
                      "range": [
                        2470,
                        2666
                      ],
                      "loc": {
                        "start": {
                          "line": 64,
                          "column": 4
                        },
                        "end": {
                          "line": 68,
                          "column": 5
                        }
                      }
                    },
                    "range": [
                      2470,
                      2667
                    ],
                    "loc": {
                      "start": {
                        "line": 64,
                        "column": 4
                      },
                      "end": {
                        "line": 68,
                        "column": 6
                      }
                    }
                  },
                  {
                    "type": "ExpressionStatement",
                    "expression": {
                      "type": "AssignmentExpression",
                      "operator": "=",
                      "left": {
                        "type": "MemberExpression",
                        "computed": false,
                        "object": {
                          "type": "MemberExpression",
                          "computed": false,
                          "object": {
                            "type": "Identifier",
                            "name": "MaterializeSubscriber",
                            "range": [
                              2672,
                              2693
                            ],
                            "loc": {
                              "start": {
                                "line": 69,
                                "column": 4
                              },
                              "end": {
                                "line": 69,
                                "column": 25
                              }
                            }
                          },
                          "property": {
                            "type": "Identifier",
                            "name": "prototype",
                            "range": [
                              2694,
                              2703
                            ],
                            "loc": {
                              "start": {
                                "line": 69,
                                "column": 26
                              },
                              "end": {
                                "line": 69,
                                "column": 35
                              }
                            }
                          },
                          "range": [
                            2672,
                            2703
                          ],
                          "loc": {
                            "start": {
                              "line": 69,
                              "column": 4
                            },
                            "end": {
                              "line": 69,
                              "column": 35
                            }
                          }
                        },
                        "property": {
                          "type": "Identifier",
                          "name": "_complete",
                          "range": [
                            2704,
                            2713
                          ],
                          "loc": {
                            "start": {
                              "line": 69,
                              "column": 36
                            },
                            "end": {
                              "line": 69,
                              "column": 45
                            }
                          }
                        },
                        "range": [
                          2672,
                          2713
                        ],
                        "loc": {
                          "start": {
                            "line": 69,
                            "column": 4
                          },
                          "end": {
                            "line": 69,
                            "column": 45
                          }
                        }
                      },
                      "right": {
                        "type": "FunctionExpression",
                        "id": null,
                        "params": [],
                        "body": {
                          "type": "BlockStatement",
                          "body": [
                            {
                              "type": "VariableDeclaration",
                              "declarations": [
                                {
                                  "type": "VariableDeclarator",
                                  "id": {
                                    "type": "Identifier",
                                    "name": "destination",
                                    "range": [
                                      2742,
                                      2753
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 70,
                                        "column": 12
                                      },
                                      "end": {
                                        "line": 70,
                                        "column": 23
                                      }
                                    }
                                  },
                                  "init": {
                                    "type": "MemberExpression",
                                    "computed": false,
                                    "object": {
                                      "type": "ThisExpression",
                                      "range": [
                                        2756,
                                        2760
                                      ],
                                      "loc": {
                                        "start": {
                                          "line": 70,
                                          "column": 26
                                        },
                                        "end": {
                                          "line": 70,
                                          "column": 30
                                        }
                                      }
                                    },
                                    "property": {
                                      "type": "Identifier",
                                      "name": "destination",
                                      "range": [
                                        2761,
                                        2772
                                      ],
                                      "loc": {
                                        "start": {
                                          "line": 70,
                                          "column": 31
                                        },
                                        "end": {
                                          "line": 70,
                                          "column": 42
                                        }
                                      }
                                    },
                                    "range": [
                                      2756,
                                      2772
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 70,
                                        "column": 26
                                      },
                                      "end": {
                                        "line": 70,
                                        "column": 42
                                      }
                                    }
                                  },
                                  "range": [
                                    2742,
                                    2772
                                  ],
                                  "loc": {
                                    "start": {
                                      "line": 70,
                                      "column": 12
                                    },
                                    "end": {
                                      "line": 70,
                                      "column": 42
                                    }
                                  }
                                }
                              ],
                              "kind": "var",
                              "range": [
                                2738,
                                2773
                              ],
                              "loc": {
                                "start": {
                                  "line": 70,
                                  "column": 8
                                },
                                "end": {
                                  "line": 70,
                                  "column": 43
                                }
                              }
                            },
                            {
                              "type": "ExpressionStatement",
                              "expression": {
                                "type": "CallExpression",
                                "callee": {
                                  "type": "MemberExpression",
                                  "computed": false,
                                  "object": {
                                    "type": "Identifier",
                                    "name": "destination",
                                    "range": [
                                      2782,
                                      2793
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 71,
                                        "column": 8
                                      },
                                      "end": {
                                        "line": 71,
                                        "column": 19
                                      }
                                    }
                                  },
                                  "property": {
                                    "type": "Identifier",
                                    "name": "next",
                                    "range": [
                                      2794,
                                      2798
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 71,
                                        "column": 20
                                      },
                                      "end": {
                                        "line": 71,
                                        "column": 24
                                      }
                                    }
                                  },
                                  "range": [
                                    2782,
                                    2798
                                  ],
                                  "loc": {
                                    "start": {
                                      "line": 71,
                                      "column": 8
                                    },
                                    "end": {
                                      "line": 71,
                                      "column": 24
                                    }
                                  }
                                },
                                "arguments": [
                                  {
                                    "type": "CallExpression",
                                    "callee": {
                                      "type": "MemberExpression",
                                      "computed": false,
                                      "object": {
                                        "type": "Identifier",
                                        "name": "Notification",
                                        "range": [
                                          2799,
                                          2811
                                        ],
                                        "loc": {
                                          "start": {
                                            "line": 71,
                                            "column": 25
                                          },
                                          "end": {
                                            "line": 71,
                                            "column": 37
                                          }
                                        }
                                      },
                                      "property": {
                                        "type": "Identifier",
                                        "name": "createComplete",
                                        "range": [
                                          2812,
                                          2826
                                        ],
                                        "loc": {
                                          "start": {
                                            "line": 71,
                                            "column": 38
                                          },
                                          "end": {
                                            "line": 71,
                                            "column": 52
                                          }
                                        }
                                      },
                                      "range": [
                                        2799,
                                        2826
                                      ],
                                      "loc": {
                                        "start": {
                                          "line": 71,
                                          "column": 25
                                        },
                                        "end": {
                                          "line": 71,
                                          "column": 52
                                        }
                                      }
                                    },
                                    "arguments": [],
                                    "range": [
                                      2799,
                                      2828
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 71,
                                        "column": 25
                                      },
                                      "end": {
                                        "line": 71,
                                        "column": 54
                                      }
                                    }
                                  }
                                ],
                                "range": [
                                  2782,
                                  2829
                                ],
                                "loc": {
                                  "start": {
                                    "line": 71,
                                    "column": 8
                                  },
                                  "end": {
                                    "line": 71,
                                    "column": 55
                                  }
                                }
                              },
                              "range": [
                                2782,
                                2830
                              ],
                              "loc": {
                                "start": {
                                  "line": 71,
                                  "column": 8
                                },
                                "end": {
                                  "line": 71,
                                  "column": 56
                                }
                              }
                            },
                            {
                              "type": "ExpressionStatement",
                              "expression": {
                                "type": "CallExpression",
                                "callee": {
                                  "type": "MemberExpression",
                                  "computed": false,
                                  "object": {
                                    "type": "Identifier",
                                    "name": "destination",
                                    "range": [
                                      2839,
                                      2850
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 72,
                                        "column": 8
                                      },
                                      "end": {
                                        "line": 72,
                                        "column": 19
                                      }
                                    }
                                  },
                                  "property": {
                                    "type": "Identifier",
                                    "name": "complete",
                                    "range": [
                                      2851,
                                      2859
                                    ],
                                    "loc": {
                                      "start": {
                                        "line": 72,
                                        "column": 20
                                      },
                                      "end": {
                                        "line": 72,
                                        "column": 28
                                      }
                                    }
                                  },
                                  "range": [
                                    2839,
                                    2859
                                  ],
                                  "loc": {
                                    "start": {
                                      "line": 72,
                                      "column": 8
                                    },
                                    "end": {
                                      "line": 72,
                                      "column": 28
                                    }
                                  }
                                },
                                "arguments": [],
                                "range": [
                                  2839,
                                  2861
                                ],
                                "loc": {
                                  "start": {
                                    "line": 72,
                                    "column": 8
                                  },
                                  "end": {
                                    "line": 72,
                                    "column": 30
                                  }
                                }
                              },
                              "range": [
                                2839,
                                2862
                              ],
                              "loc": {
                                "start": {
                                  "line": 72,
                                  "column": 8
                                },
                                "end": {
                                  "line": 72,
                                  "column": 31
                                }
                              }
                            }
                          ],
                          "range": [
                            2728,
                            2868
                          ],
                          "loc": {
                            "start": {
                              "line": 69,
                              "column": 60
                            },
                            "end": {
                              "line": 73,
                              "column": 5
                            }
                          }
                        },
                        "generator": false,
                        "expression": false,
                        "range": [
                          2716,
                          2868
                        ],
                        "loc": {
                          "start": {
                            "line": 69,
                            "column": 48
                          },
                          "end": {
                            "line": 73,
                            "column": 5
                          }
                        }
                      },
                      "range": [
                        2672,
                        2868
                      ],
                      "loc": {
                        "start": {
                          "line": 69,
                          "column": 4
                        },
                        "end": {
                          "line": 73,
                          "column": 5
                        }
                      }
                    },
                    "range": [
                      2672,
                      2869
                    ],
                    "loc": {
                      "start": {
                        "line": 69,
                        "column": 4
                      },
                      "end": {
                        "line": 73,
                        "column": 6
                      }
                    }
                  },
                  {
                    "type": "ReturnStatement",
                    "argument": {
                      "type": "Identifier",
                      "name": "MaterializeSubscriber",
                      "range": [
                        2881,
                        2902
                      ],
                      "loc": {
                        "start": {
                          "line": 74,
                          "column": 11
                        },
                        "end": {
                          "line": 74,
                          "column": 32
                        }
                      }
                    },
                    "range": [
                      2874,
                      2903
                    ],
                    "loc": {
                      "start": {
                        "line": 74,
                        "column": 4
                      },
                      "end": {
                        "line": 74,
                        "column": 33
                      }
                    }
                  }
                ],
                "range": [
                  2189,
                  2905
                ],
                "loc": {
                  "start": {
                    "line": 56,
                    "column": 47
                  },
                  "end": {
                    "line": 75,
                    "column": 1
                  }
                }
              },
              "generator": false,
              "expression": false,
              "range": [
                2171,
                2905
              ],
              "loc": {
                "start": {
                  "line": 56,
                  "column": 29
                },
                "end": {
                  "line": 75,
                  "column": 1
                }
              }
            },
            "arguments": [
              {
                "type": "Identifier",
                "name": "Subscriber",
                "range": [
                  2906,
                  2916
                ],
                "loc": {
                  "start": {
                    "line": 75,
                    "column": 2
                  },
                  "end": {
                    "line": 75,
                    "column": 12
                  }
                }
              }
            ],
            "range": [
              2171,
              2917
            ],
            "loc": {
              "start": {
                "line": 56,
                "column": 29
              },
              "end": {
                "line": 75,
                "column": 13
              }
            }
          },
          "range": [
            2146,
            2918
          ],
          "loc": {
            "start": {
              "line": 56,
              "column": 4
            },
            "end": {
              "line": 75,
              "column": 14
            }
          }
        }
      ],
      "kind": "var",
      "range": [
        2142,
        2919
      ],
      "loc": {
        "start": {
          "line": 56,
          "column": 0
        },
        "end": {
          "line": 75,
          "column": 15
        }
      },
      "leadingComments": [
        {
          "type": "Block",
          "value": "*\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n ",
          "range": [
            2050,
            2141
          ],
          "loc": {
            "start": {
              "line": 51,
              "column": 0
            },
            "end": {
              "line": 55,
              "column": 3
            }
          }
        }
      ],
      "trailingComments": [
        {
          "type": "Line",
          "value": "# sourceMappingURL=materialize.js.map",
          "range": [
            2920,
            2959
          ],
          "loc": {
            "start": {
              "line": 76,
              "column": 0
            },
            "end": {
              "line": 76,
              "column": 39
            }
          }
        }
      ]
    }
  ],
  "sourceType": "module",
  "range": [
    0,
    2919
  ],
  "loc": {
    "start": {
      "line": 1,
      "column": 0
    },
    "end": {
      "line": 75,
      "column": 15
    }
  },
  "comments": [
    {
      "type": "Block",
      "value": "*\n * Represents all of the notifications from the source Observable as `next`\n * emissions marked with their original types within {@link Notification}\n * objects.\n *\n * <span class=\"informal\">Wraps `next`, `error` and `complete` emissions in\n * {@link Notification} objects, emitted as `next` on the output Observable.\n * </span>\n *\n * <img src=\"./img/materialize.png\" width=\"100%\">\n *\n * `materialize` returns an Observable that emits a `next` notification for each\n * `next`, `error`, or `complete` emission of the source Observable. When the\n * source Observable emits `complete`, the output Observable will emit `next` as\n * a Notification of type \"complete\", and then it will emit `complete` as well.\n * When the source Observable emits `error`, the output will emit `next` as a\n * Notification of type \"error\", and then `complete`.\n *\n * This operator is useful for producing metadata of the source Observable, to\n * be consumed as `next` emissions. Use it in conjunction with\n * {@link dematerialize}.\n *\n * @example <caption>Convert a faulty Observable to an Observable of Notifications</caption>\n * var letters = Rx.Observable.of('a', 'b', 13, 'd');\n * var upperCase = letters.map(x => x.toUpperCase());\n * var materialized = upperCase.materialize();\n * materialized.subscribe(x => console.log(x));\n *\n * @see {@link Notification}\n * @see {@link dematerialize}\n *\n * @return {Observable<Notification<T>>} An Observable that emits\n * {@link Notification} objects that wrap the original emissions from the source\n * Observable with metadata.\n * @method materialize\n * @owner Observable\n ",
      "range": [
        92,
        1691
      ],
      "loc": {
        "start": {
          "line": 3,
          "column": 0
        },
        "end": {
          "line": 39,
          "column": 3
        }
      }
    },
    {
      "type": "Block",
      "value": "*\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n ",
      "range": [
        2050,
        2141
      ],
      "loc": {
        "start": {
          "line": 51,
          "column": 0
        },
        "end": {
          "line": 55,
          "column": 3
        }
      }
    },
    {
      "type": "Line",
      "value": "# sourceMappingURL=materialize.js.map",
      "range": [
        2920,
        2959
      ],
      "loc": {
        "start": {
          "line": 76,
          "column": 0
        },
        "end": {
          "line": 76,
          "column": 39
        }
      }
    }
  ]
}