---
Function {
 argument: None,
 arguments: FunctionArguments {
  arguments: [
   FunctionArgument {
    identifier: "pkgs",
    default: None,
   },
   FunctionArgument {
    identifier: "options",
    default: None,
   },
   FunctionArgument {
    identifier: "lib",
    default: None,
   },
   FunctionArgument {
    identifier: "config",
    default: None,
   },
  ],
  ellipsis: true,
 },
 definition: With {
  expression: Variable {
   identifier: "lib",
   position: (3, 6),
  },
  target: LetIn {
   bindings: [
    KeyValue(
     AttributePath {
      attributes: [
       Raw {
        content: "cfg",
        position: (6, 3),
       },
      ],
     },
     PropertyAccess {
      expression: Variable {
       identifier: "config",
       position: (6, 9),
      },
      attribute_path: AttributePath {
       attributes: [
        Raw {
         content: "services",
         position: (6, 16),
        },
        Raw {
         content: "mpdscribble",
         position: (6, 25),
        },
       ],
      },
      default: None,
     },
    ),
    KeyValue(
     AttributePath {
      attributes: [
       Raw {
        content: "mpdCfg",
        position: (7, 3),
       },
      ],
     },
     PropertyAccess {
      expression: Variable {
       identifier: "config",
       position: (7, 12),
      },
      attribute_path: AttributePath {
       attributes: [
        Raw {
         content: "services",
         position: (7, 19),
        },
        Raw {
         content: "mpd",
         position: (7, 28),
        },
       ],
      },
      default: None,
     },
    ),
    KeyValue(
     AttributePath {
      attributes: [
       Raw {
        content: "mpdOpt",
        position: (8, 3),
       },
      ],
     },
     PropertyAccess {
      expression: Variable {
       identifier: "options",
       position: (8, 12),
      },
      attribute_path: AttributePath {
       attributes: [
        Raw {
         content: "services",
         position: (8, 20),
        },
        Raw {
         content: "mpd",
         position: (8, 29),
        },
       ],
      },
      default: None,
     },
    ),
    KeyValue(
     AttributePath {
      attributes: [
       Raw {
        content: "endpointUrls",
        position: (10, 3),
       },
      ],
     },
     Map {
      bindings: [
       KeyValue(
        AttributePath {
         attributes: [
          Expression {
           expression: String {
            parts: [
             Raw {
              content: "last.fm",
              position: (11, 6),
             },
            ],
           },
          },
         ],
        },
        String {
         parts: [
          Raw {
           content: "http://post.audioscrobbler.com",
           position: (11, 18),
          },
         ],
        },
       ),
       KeyValue(
        AttributePath {
         attributes: [
          Expression {
           expression: String {
            parts: [
             Raw {
              content: "libre.fm",
              position: (12, 6),
             },
            ],
           },
          },
         ],
        },
        String {
         parts: [
          Raw {
           content: "http://turtle.libre.fm",
           position: (12, 19),
          },
         ],
        },
       ),
       KeyValue(
        AttributePath {
         attributes: [
          Expression {
           expression: String {
            parts: [
             Raw {
              content: "jamendo",
              position: (13, 6),
             },
            ],
           },
          },
         ],
        },
        String {
         parts: [
          Raw {
           content: "http://postaudioscrobbler.jamendo.com",
           position: (13, 18),
          },
         ],
        },
       ),
       KeyValue(
        AttributePath {
         attributes: [
          Expression {
           expression: String {
            parts: [
             Raw {
              content: "listenbrainz",
              position: (14, 6),
             },
            ],
           },
          },
         ],
        },
        String {
         parts: [
          Raw {
           content: "http://proxy.listenbrainz.org",
           position: (14, 23),
          },
         ],
        },
       ),
      ],
      recursive: false,
      position: (10, 18),
     },
    ),
    KeyValue(
     AttributePath {
      attributes: [
       Raw {
        content: "mkSection",
        position: (17, 3),
       },
      ],
     },
     Function {
      argument: Some(
       "secname",
      ),
      arguments: FunctionArguments {
       arguments: [],
       ellipsis: false,
      },
      definition: Function {
       argument: Some(
        "secCfg",
       ),
       arguments: FunctionArguments {
        arguments: [],
        ellipsis: false,
       },
       definition: String {
        parts: [
         Raw {
          content: "[",
          position: (18, 1),
         },
         Expression {
          expression: Variable {
           identifier: "secname",
           position: (18, 8),
          },
         },
         Raw {
          content: "]\nurl      = ",
          position: (18, 16),
         },
         Expression {
          expression: PropertyAccess {
           expression: Variable {
            identifier: "secCfg",
            position: (19, 18),
           },
           attribute_path: AttributePath {
            attributes: [
             Raw {
              content: "url",
              position: (19, 25),
             },
            ],
           },
           default: None,
          },
         },
         Raw {
          content: "\nusername = ",
          position: (19, 29),
         },
         Expression {
          expression: PropertyAccess {
           expression: Variable {
            identifier: "secCfg",
            position: (20, 18),
           },
           attribute_path: AttributePath {
            attributes: [
             Raw {
              content: "username",
              position: (20, 25),
             },
            ],
           },
           default: None,
          },
         },
         Raw {
          content: "\npassword = {{",
          position: (20, 34),
         },
         Expression {
          expression: Variable {
           identifier: "secname",
           position: (21, 20),
          },
         },
         Raw {
          content: "_PASSWORD}}\njournal  = /var/lib/mpdscribble/",
          position: (21, 28),
         },
         Expression {
          expression: Variable {
           identifier: "secname",
           position: (22, 39),
          },
         },
         Raw {
          content: ".journal\n",
          position: (22, 47),
         },
        ],
       },
       position: (17, 24),
      },
      position: (17, 15),
     },
    ),
    KeyValue(
     AttributePath {
      attributes: [
       Raw {
        content: "endpoints",
        position: (25, 3),
       },
      ],
     },
     FunctionApplication {
      function: Variable {
       identifier: "concatStringsSep",
       position: (25, 15),
      },
      arguments: [
       String {
        parts: [
         Raw {
          content: "\n",
          position: (25, 33),
         },
        ],
       },
       FunctionApplication {
        function: Variable {
         identifier: "mapAttrsToList",
         position: (25, 38),
        },
        arguments: [
         Variable {
          identifier: "mkSection",
          position: (25, 53),
         },
         PropertyAccess {
          expression: Variable {
           identifier: "cfg",
           position: (25, 63),
          },
          attribute_path: AttributePath {
           attributes: [
            Raw {
             content: "endpoints",
             position: (25, 67),
            },
           ],
          },
          default: None,
         },
        ],
       },
      ],
     },
    ),
    KeyValue(
     AttributePath {
      attributes: [
       Raw {
        content: "cfgTemplate",
        position: (26, 3),
       },
      ],
     },
     FunctionApplication {
      function: PropertyAccess {
       expression: Variable {
        identifier: "pkgs",
        position: (26, 17),
       },
       attribute_path: AttributePath {
        attributes: [
         Raw {
          content: "writeText",
          position: (26, 22),
         },
        ],
       },
       default: None,
      },
      arguments: [
       String {
        parts: [
         Raw {
          content: "mpdscribble.conf",
          position: (26, 33),
         },
        ],
       },
       String {
        parts: [
         Raw {
          content: "## This file was automatically genenrated by NixOS and will be overwritten.\n## Do not edit. Edit your NixOS configuration instead.\n\n## mpdscribble - an audioscrobbler for the Music Player Daemon.\n## http://mpd.wikia.com/wiki/Client:mpdscribble\n\n# HTTP proxy URL.\n",
          position: (27, 1),
         },
         Expression {
          expression: FunctionApplication {
           function: Variable {
            identifier: "optionalString",
            position: (34, 7),
           },
           arguments: [
            BinaryOperation {
             operator: NotEqualTo,
             operands: [
              PropertyAccess {
               expression: Variable {
                identifier: "cfg",
                position: (34, 23),
               },
               attribute_path: AttributePath {
                attributes: [
                 Raw {
                  content: "proxy",
                  position: (34, 27),
                 },
                ],
               },
               default: None,
              },
              Variable {
               identifier: "null",
               position: (34, 36),
              },
             ],
             position: (34, 33),
            },
            String {
             parts: [
              Raw {
               content: "proxy = ",
               position: (34, 43),
              },
              Expression {
               expression: PropertyAccess {
                expression: Variable {
                 identifier: "cfg",
                 position: (34, 53),
                },
                attribute_path: AttributePath {
                 attributes: [
                  Raw {
                   content: "proxy",
                   position: (34, 57),
                  },
                 ],
                },
                default: None,
               },
              },
             ],
            },
           ],
          },
         },
         Raw {
          content: "\n\n# The location of the mpdscribble log file.  The special value\n# \"syslog\" makes mpdscribble use the local syslog daemon.  On most\n# systems, log messages will appear in /var/log/daemon.log then.\n# \"-\" means log to stderr (the current terminal).\nlog = -\n\n# How verbose mpdscribble's logging should be.  Default is 1.\nverbose = ",
          position: (34, 65),
         },
         Expression {
          expression: FunctionApplication {
           function: Variable {
            identifier: "toString",
            position: (43, 17),
           },
           arguments: [
            PropertyAccess {
             expression: Variable {
              identifier: "cfg",
              position: (43, 26),
             },
             attribute_path: AttributePath {
              attributes: [
               Raw {
                content: "verbose",
                position: (43, 30),
               },
              ],
             },
             default: None,
            },
           ],
          },
         },
         Raw {
          content: "\n\n# How often should mpdscribble save the journal file? [seconds]\njournal_interval = ",
          position: (43, 38),
         },
         Expression {
          expression: FunctionApplication {
           function: Variable {
            identifier: "toString",
            position: (46, 26),
           },
           arguments: [
            PropertyAccess {
             expression: Variable {
              identifier: "cfg",
              position: (46, 35),
             },
             attribute_path: AttributePath {
              attributes: [
               Raw {
                content: "journalInterval",
                position: (46, 39),
               },
              ],
             },
             default: None,
            },
           ],
          },
         },
         Raw {
          content: "\n\n# The host running MPD, possibly protected by a password\n# ([PASSWORD@]HOSTNAME).\nhost = ",
          position: (46, 55),
         },
         Expression {
          expression: BinaryOperation {
           operator: Addition,
           operands: [
            FunctionApplication {
             function: Variable {
              identifier: "optionalString",
              position: (50, 15),
             },
             arguments: [
              BinaryOperation {
               operator: NotEqualTo,
               operands: [
                PropertyAccess {
                 expression: Variable {
                  identifier: "cfg",
                  position: (50, 31),
                 },
                 attribute_path: AttributePath {
                  attributes: [
                   Raw {
                    content: "passwordFile",
                    position: (50, 35),
                   },
                  ],
                 },
                 default: None,
                },
                Variable {
                 identifier: "null",
                 position: (50, 51),
                },
               ],
               position: (50, 48),
              },
              String {
               parts: [
                Raw {
                 content: "{{MPD_PASSWORD}}@",
                 position: (50, 58),
                },
               ],
              },
             ],
            },
            PropertyAccess {
             expression: Variable {
              identifier: "cfg",
              position: (50, 80),
             },
             attribute_path: AttributePath {
              attributes: [
               Raw {
                content: "host",
                position: (50, 84),
               },
              ],
             },
             default: None,
            },
           ],
           position: (50, 78),
          },
         },
         Raw {
          content: "\n\n# The port that the MPD listens on and mpdscribble should try to\n# connect to.\nport = ",
          position: (50, 89),
         },
         Expression {
          expression: FunctionApplication {
           function: Variable {
            identifier: "toString",
            position: (54, 14),
           },
           arguments: [
            PropertyAccess {
             expression: Variable {
              identifier: "cfg",
              position: (54, 23),
             },
             attribute_path: AttributePath {
              attributes: [
               Raw {
                content: "port",
                position: (54, 27),
               },
              ],
             },
             default: None,
            },
           ],
          },
         },
         Raw {
          content: "\n\n",
          position: (54, 32),
         },
         Expression {
          expression: Variable {
           identifier: "endpoints",
           position: (56, 7),
          },
         },
         Raw {
          content: "\n",
          position: (56, 17),
         },
        ],
       },
      ],
     },
    ),
    KeyValue(
     AttributePath {
      attributes: [
       Raw {
        content: "cfgFile",
        position: (59, 3),
       },
      ],
     },
     String {
      parts: [
       Raw {
        content: "/run/mpdscribble/mpdscribble.conf",
        position: (59, 14),
       },
      ],
     },
    ),
    KeyValue(
     AttributePath {
      attributes: [
       Raw {
        content: "replaceSecret",
        position: (61, 3),
       },
      ],
     },
     Function {
      argument: Some(
       "secretFile",
      ),
      arguments: FunctionArguments {
       arguments: [],
       ellipsis: false,
      },
      definition: Function {
       argument: Some(
        "placeholder",
       ),
       arguments: FunctionArguments {
        arguments: [],
        ellipsis: false,
       },
       definition: Function {
        argument: Some(
         "targetFile",
        ),
        arguments: FunctionArguments {
         arguments: [],
         ellipsis: false,
        },
        definition: FunctionApplication {
         function: Variable {
          identifier: "optionalString",
          position: (62, 5),
         },
         arguments: [
          BinaryOperation {
           operator: NotEqualTo,
           operands: [
            Variable {
             identifier: "secretFile",
             position: (62, 21),
            },
            Variable {
             identifier: "null",
             position: (62, 35),
            },
           ],
           position: (62, 32),
          },
          String {
           parts: [
            Raw {
             content: "      ",
             position: (63, 1),
            },
            Expression {
             expression: PropertyAccess {
              expression: Variable {
               identifier: "pkgs",
               position: (63, 9),
              },
              attribute_path: AttributePath {
               attributes: [
                Raw {
                 content: "replace-secret",
                 position: (63, 14),
                },
               ],
              },
              default: None,
             },
            },
            Raw {
             content: "/bin/replace-secret ",
             position: (63, 29),
            },
            Raw {
             content: "'",
             position: (63, 49),
            },
            Expression {
             expression: Variable {
              identifier: "placeholder",
              position: (63, 52),
             },
            },
            Raw {
             content: "' ",
             position: (63, 64),
            },
            Raw {
             content: "'",
             position: (63, 66),
            },
            Expression {
             expression: Variable {
              identifier: "secretFile",
              position: (63, 69),
             },
            },
            Raw {
             content: "' ",
             position: (63, 80),
            },
            Raw {
             content: "'",
             position: (63, 82),
            },
            Expression {
             expression: Variable {
              identifier: "targetFile",
              position: (63, 85),
             },
            },
            Raw {
             content: "' ",
             position: (63, 96),
            },
           ],
          },
         ],
        },
        position: (61, 44),
       },
       position: (61, 31),
      },
      position: (61, 19),
     },
    ),
    KeyValue(
     AttributePath {
      attributes: [
       Raw {
        content: "preStart",
        position: (65, 3),
       },
      ],
     },
     FunctionApplication {
      function: PropertyAccess {
       expression: Variable {
        identifier: "pkgs",
        position: (65, 14),
       },
       attribute_path: AttributePath {
        attributes: [
         Raw {
          content: "writeShellScript",
          position: (65, 19),
         },
        ],
       },
       default: None,
      },
      arguments: [
       String {
        parts: [
         Raw {
          content: "mpdscribble-pre-start",
          position: (65, 37),
         },
        ],
       },
       String {
        parts: [
         Raw {
          content: "cp -f \"",
          position: (66, 1),
         },
         Expression {
          expression: Variable {
           identifier: "cfgTemplate",
           position: (66, 14),
          },
         },
         Raw {
          content: "\" \"",
          position: (66, 26),
         },
         Expression {
          expression: Variable {
           identifier: "cfgFile",
           position: (66, 31),
          },
         },
         Raw {
          content: "\"\n",
          position: (66, 39),
         },
         Expression {
          expression: FunctionApplication {
           function: Variable {
            identifier: "replaceSecret",
            position: (67, 7),
           },
           arguments: [
            PropertyAccess {
             expression: Variable {
              identifier: "cfg",
              position: (67, 21),
             },
             attribute_path: AttributePath {
              attributes: [
               Raw {
                content: "passwordFile",
                position: (67, 25),
               },
              ],
             },
             default: None,
            },
            String {
             parts: [
              Raw {
               content: "{{MPD_PASSWORD}}",
               position: (67, 39),
              },
             ],
            },
            Variable {
             identifier: "cfgFile",
             position: (67, 57),
            },
           ],
          },
         },
         Raw {
          content: "\n",
          position: (67, 65),
         },
         Expression {
          expression: FunctionApplication {
           function: Variable {
            identifier: "concatStringsSep",
            position: (68, 7),
           },
           arguments: [
            String {
             parts: [
              Raw {
               content: "\n",
               position: (68, 25),
              },
             ],
            },
            FunctionApplication {
             function: Variable {
              identifier: "mapAttrsToList",
              position: (68, 30),
             },
             arguments: [
              Function {
               argument: Some(
                "secname",
               ),
               arguments: FunctionArguments {
                arguments: [],
                ellipsis: false,
               },
               definition: Function {
                argument: Some(
                 "cfg",
                ),
                arguments: FunctionArguments {
                 arguments: [],
                 ellipsis: false,
                },
                definition: FunctionApplication {
                 function: Variable {
                  identifier: "replaceSecret",
                  position: (69, 7),
                 },
                 arguments: [
                  PropertyAccess {
                   expression: Variable {
                    identifier: "cfg",
                    position: (69, 21),
                   },
                   attribute_path: AttributePath {
                    attributes: [
                     Raw {
                      content: "passwordFile",
                      position: (69, 25),
                     },
                    ],
                   },
                   default: None,
                  },
                  String {
                   parts: [
                    Raw {
                     content: "{{",
                     position: (69, 39),
                    },
                    Expression {
                     expression: Variable {
                      identifier: "secname",
                      position: (69, 43),
                     },
                    },
                    Raw {
                     content: "_PASSWORD}}",
                     position: (69, 51),
                    },
                   ],
                  },
                  Variable {
                   identifier: "cfgFile",
                   position: (69, 64),
                  },
                 ],
                },
                position: (68, 55),
               },
               position: (68, 46),
              },
              PropertyAccess {
               expression: Variable {
                identifier: "cfg",
                position: (70, 7),
               },
               attribute_path: AttributePath {
                attributes: [
                 Raw {
                  content: "endpoints",
                  position: (70, 11),
                 },
                ],
               },
               default: None,
              },
             ],
            },
           ],
          },
         },
         Raw {
          content: "\n",
          position: (70, 22),
         },
        ],
       },
      ],
     },
    ),
    KeyValue(
     AttributePath {
      attributes: [
       Raw {
        content: "localMpd",
        position: (73, 3),
       },
      ],
     },
     BinaryOperation {
      operator: LogicalOr,
      operands: [
       BinaryOperation {
        operator: EqualTo,
        operands: [
         PropertyAccess {
          expression: Variable {
           identifier: "cfg",
           position: (73, 15),
          },
          attribute_path: AttributePath {
           attributes: [
            Raw {
             content: "host",
             position: (73, 19),
            },
           ],
          },
          default: None,
         },
         String {
          parts: [
           Raw {
            content: "localhost",
            position: (73, 28),
           },
          ],
         },
        ],
        position: (73, 24),
       },
       BinaryOperation {
        operator: EqualTo,
        operands: [
         PropertyAccess {
          expression: Variable {
           identifier: "cfg",
           position: (73, 42),
          },
          attribute_path: AttributePath {
           attributes: [
            Raw {
             content: "host",
             position: (73, 46),
            },
           ],
          },
          default: None,
         },
         String {
          parts: [
           Raw {
            content: "127.0.0.1",
            position: (73, 55),
           },
          ],
         },
        ],
        position: (73, 51),
       },
      ],
      position: (73, 39),
     },
    ),
   ],
   target: Map {
    bindings: [
     KeyValue(
      AttributePath {
       attributes: [
        Raw {
         content: "options",
         position: (78, 3),
        },
        Raw {
         content: "services",
         position: (78, 11),
        },
        Raw {
         content: "mpdscribble",
         position: (78, 20),
        },
       ],
      },
      Map {
       bindings: [
        KeyValue(
         AttributePath {
          attributes: [
           Raw {
            content: "enable",
            position: (80, 5),
           },
          ],
         },
         FunctionApplication {
          function: Variable {
           identifier: "mkEnableOption",
           position: (80, 14),
          },
          arguments: [
           String {
            parts: [
             Raw {
              content: "mpdscribble",
              position: (80, 30),
             },
            ],
           },
          ],
         },
        ),
        KeyValue(
         AttributePath {
          attributes: [
           Raw {
            content: "proxy",
            position: (82, 5),
           },
          ],
         },
         FunctionApplication {
          function: Variable {
           identifier: "mkOption",
           position: (82, 13),
          },
          arguments: [
           Map {
            bindings: [
             KeyValue(
              AttributePath {
               attributes: [
                Raw {
                 content: "default",
                 position: (83, 7),
                },
               ],
              },
              Variable {
               identifier: "null",
               position: (83, 17),
              },
             ),
             KeyValue(
              AttributePath {
               attributes: [
                Raw {
                 content: "type",
                 position: (84, 7),
                },
               ],
              },
              FunctionApplication {
               function: PropertyAccess {
                expression: Variable {
                 identifier: "types",
                 position: (84, 14),
                },
                attribute_path: AttributePath {
                 attributes: [
                  Raw {
                   content: "nullOr",
                   position: (84, 20),
                  },
                 ],
                },
                default: None,
               },
               arguments: [
                PropertyAccess {
                 expression: Variable {
                  identifier: "types",
                  position: (84, 27),
                 },
                 attribute_path: AttributePath {
                  attributes: [
                   Raw {
                    content: "str",
                    position: (84, 33),
                   },
                  ],
                 },
                 default: None,
                },
               ],
              },
             ),
             KeyValue(
              AttributePath {
               attributes: [
                Raw {
                 content: "description",
                 position: (85, 7),
                },
               ],
              },
              String {
               parts: [
                Raw {
                 content: "HTTP proxy URL.\n",
                 position: (86, 1),
                },
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                position: (108, 50),
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               then: PropertyAccess {
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                   position: (109, 16),
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                default: None,
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               position: (108, 18),
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                   position: (113, 1),
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                           position: (126, 29),
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                      position: (128, 18),
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                          position: (156, 19),
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                               position: (157, 22),
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                                 position: (157, 28),
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                              default: None,
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                            KeyValue(
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                                content: "default",
                                position: (158, 15),
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                               position: (158, 25),
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                                  position: (158, 40),
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                              default: Some(
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                                content: "description",
                                position: (159, 15),
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                             },
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                                content: "The url endpoint where the scrobble API is listening.",
                                position: (160, 18),
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                             },
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                           recursive: false,
                           position: (156, 28),
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                           content: "username",
                           position: (162, 13),
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                          position: (162, 24),
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                         arguments: [
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                                position: (163, 15),
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                               position: (163, 22),
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                              attribute_path: AttributePath {
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                                 position: (163, 28),
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                              default: None,
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                                content: "description",
                                position: (164, 15),
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                             String {
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                                content: "Username for the scrobble service.\n",
                                position: (165, 1),
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                             },
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                           recursive: false,
                           position: (162, 33),
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                        },
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                           position: (168, 13),
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                          position: (168, 28),
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                         arguments: [
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                                identifier: "types",
                                position: (169, 22),
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                               attribute_path: AttributePath {
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                                  content: "nullOr",
                                  position: (169, 28),
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                               },
                               default: None,
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                              arguments: [
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                                expression: Variable {
                                 identifier: "types",
                                 position: (169, 35),
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                                attribute_path: AttributePath {
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                                   position: (169, 41),
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                                default: None,
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                                content: "description",
                                position: (170, 15),
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                                content: "File containing the password, either as MD5SUM or cleartext.",
                                position: (171, 18),
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                           recursive: false,
                           position: (168, 37),
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                        },
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                      recursive: false,
                      position: (155, 21),
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                   recursive: false,
                   position: (154, 35),
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                  position: (154, 20),
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               target: FunctionApplication {
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                 expression: Variable {
                  identifier: "types",
                  position: (175, 10),
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                 attribute_path: AttributePath {
                  attributes: [
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                    content: "attrsOf",
                    position: (175, 16),
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                 default: None,
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                arguments: [
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                  function: PropertyAccess {
                   expression: Variable {
                    identifier: "types",
                    position: (175, 25),
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                      content: "submodule",
                      position: (175, 31),
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                   default: None,
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                  arguments: [
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                    identifier: "endpoint",
                    position: (175, 41),
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               },
               position: (153, 15),
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                 content: "default",
                 position: (176, 7),
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                    expression: String {
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                 content: "description",
                 position: (183, 7),
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              String {
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