---
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: LetIn {
  bindings: [
   KeyValue(
    AttributePath {
     attributes: [
      Raw {
       content: "cfg",
       position: (4, 3),
      },
     ],
    },
    PropertyAccess {
     expression: Variable {
      identifier: "config",
      position: (4, 9),
     },
     attribute_path: AttributePath {
      attributes: [
       Raw {
        content: "system",
        position: (4, 16),
       },
       Raw {
        content: "nixos",
        position: (4, 23),
       },
      ],
     },
     default: None,
    },
   ),
   KeyValue(
    AttributePath {
     attributes: [
      Raw {
       content: "opt",
       position: (5, 3),
      },
     ],
    },
    PropertyAccess {
     expression: Variable {
      identifier: "options",
      position: (5, 9),
     },
     attribute_path: AttributePath {
      attributes: [
       Raw {
        content: "system",
        position: (5, 17),
       },
       Raw {
        content: "nixos",
        position: (5, 24),
       },
      ],
     },
     default: None,
    },
   ),
   Inherit(
    Some(
     Variable {
      identifier: "lib",
      position: (7, 12),
     },
    ),
    [
     Raw {
      content: "concatStringsSep",
      position: (8, 5),
     },
     Raw {
      content: "mapAttrsToList",
      position: (8, 22),
     },
     Raw {
      content: "toLower",
      position: (8, 37),
     },
     Raw {
      content: "literalExpression",
      position: (9, 5),
     },
     Raw {
      content: "mkRenamedOptionModule",
      position: (9, 23),
     },
     Raw {
      content: "mkDefault",
      position: (9, 45),
     },
     Raw {
      content: "mkOption",
      position: (9, 55),
     },
     Raw {
      content: "trivial",
      position: (9, 64),
     },
     Raw {
      content: "types",
      position: (9, 72),
     },
    ],
   ),
   KeyValue(
    AttributePath {
     attributes: [
      Raw {
       content: "needsEscaping",
       position: (11, 3),
      },
     ],
    },
    Function {
     argument: Some(
      "s",
     ),
     arguments: FunctionArguments {
      arguments: [],
      ellipsis: false,
     },
     definition: BinaryOperation {
      operator: NotEqualTo,
      operands: [
       Variable {
        identifier: "null",
        position: (11, 22),
       },
       FunctionApplication {
        function: PropertyAccess {
         expression: Variable {
          identifier: "builtins",
          position: (11, 30),
         },
         attribute_path: AttributePath {
          attributes: [
           Raw {
            content: "match",
            position: (11, 39),
           },
          ],
         },
         default: None,
        },
        arguments: [
         String {
          parts: [
           Raw {
            content: "[a-zA-Z0-9]+",
           },
          ],
          position: (11, 45),
         },
         Variable {
          identifier: "s",
          position: (11, 60),
         },
        ],
       },
      ],
      position: (11, 27),
     },
     position: (11, 19),
    },
   ),
   KeyValue(
    AttributePath {
     attributes: [
      Raw {
       content: "escapeIfNeccessary",
       position: (12, 3),
      },
     ],
    },
    Function {
     argument: Some(
      "s",
     ),
     arguments: FunctionArguments {
      arguments: [],
      ellipsis: false,
     },
     definition: IfThenElse {
      predicate: FunctionApplication {
       function: Variable {
        identifier: "needsEscaping",
        position: (12, 30),
       },
       arguments: [
        Variable {
         identifier: "s",
         position: (12, 44),
        },
       ],
      },
      then: Variable {
       identifier: "s",
       position: (12, 51),
      },
      else_: String {
       parts: [
        Raw {
         content: "\"",
        },
        Expression {
         expression: FunctionApplication {
          function: PropertyAccess {
           expression: Variable {
            identifier: "lib",
            position: (12, 63),
           },
           attribute_path: AttributePath {
            attributes: [
             Raw {
              content: "escape",
              position: (12, 67),
             },
            ],
           },
           default: None,
          },
          arguments: [
           List {
            elements: [
             String {
              parts: [
               Raw {
                content: "$",
               },
              ],
              position: (12, 76),
             },
             String {
              parts: [
               Raw {
                content: "\"",
               },
              ],
              position: (12, 81),
             },
             String {
              parts: [
               Raw {
                content: "\\",
               },
              ],
              position: (12, 86),
             },
             String {
              parts: [
               Raw {
                content: "`",
               },
              ],
              position: (12, 91),
             },
            ],
            position: (12, 74),
           },
           Variable {
            identifier: "s",
            position: (12, 98),
           },
          ],
         },
        },
        Raw {
         content: "\"",
        },
       ],
       position: (12, 58),
      },
      position: (12, 27),
     },
     position: (12, 24),
    },
   ),
   KeyValue(
    AttributePath {
     attributes: [
      Raw {
       content: "attrsToText",
       position: (13, 3),
      },
     ],
    },
    Function {
     argument: Some(
      "attrs",
     ),
     arguments: FunctionArguments {
      arguments: [],
      ellipsis: false,
     },
     definition: FunctionApplication {
      function: Variable {
       identifier: "concatStringsSep",
       position: (14, 5),
      },
      arguments: [
       String {
        parts: [
         Raw {
          content: "\n",
         },
        ],
        position: (14, 22),
       },
       FunctionApplication {
        function: Variable {
         identifier: "mapAttrsToList",
         position: (15, 7),
        },
        arguments: [
         Function {
          argument: Some(
           "n",
          ),
          arguments: FunctionArguments {
           arguments: [],
           ellipsis: false,
          },
          definition: Function {
           argument: Some(
            "v",
           ),
           arguments: FunctionArguments {
            arguments: [],
            ellipsis: false,
           },
           definition: String {
            parts: [
             Expression {
              expression: Variable {
               identifier: "n",
               position: (15, 33),
              },
             },
             Raw {
              content: "=",
             },
             Expression {
              expression: FunctionApplication {
               function: Variable {
                identifier: "escapeIfNeccessary",
                position: (15, 38),
               },
               arguments: [
                FunctionApplication {
                 function: Variable {
                  identifier: "toString",
                  position: (15, 58),
                 },
                 arguments: [
                  Variable {
                   identifier: "v",
                   position: (15, 67),
                  },
                 ],
                },
               ],
              },
             },
            ],
            position: (15, 29),
           },
           position: (15, 26),
          },
          position: (15, 23),
         },
         Variable {
          identifier: "attrs",
          position: (15, 74),
         },
        ],
       },
      ],
     },
     position: (13, 17),
    },
   ),
   KeyValue(
    AttributePath {
     attributes: [
      Raw {
       content: "osReleaseContents",
       position: (18, 3),
      },
     ],
    },
    Map {
     bindings: [
      KeyValue(
       AttributePath {
        attributes: [
         Raw {
          content: "NAME",
          position: (19, 5),
         },
        ],
       },
       String {
        parts: [
         Raw {
          content: "NixOS",
         },
        ],
        position: (19, 12),
       },
      ),
      KeyValue(
       AttributePath {
        attributes: [
         Raw {
          content: "ID",
          position: (20, 5),
         },
        ],
       },
       String {
        parts: [
         Raw {
          content: "nixos",
         },
        ],
        position: (20, 10),
       },
      ),
      KeyValue(
       AttributePath {
        attributes: [
         Raw {
          content: "VERSION",
          position: (21, 5),
         },
        ],
       },
       String {
        parts: [
         Expression {
          expression: PropertyAccess {
           expression: Variable {
            identifier: "cfg",
            position: (21, 18),
           },
           attribute_path: AttributePath {
            attributes: [
             Raw {
              content: "release",
              position: (21, 22),
             },
            ],
           },
           default: None,
          },
         },
         Raw {
          content: " (",
         },
         Expression {
          expression: PropertyAccess {
           expression: Variable {
            identifier: "cfg",
            position: (21, 34),
           },
           attribute_path: AttributePath {
            attributes: [
             Raw {
              content: "codeName",
              position: (21, 38),
             },
            ],
           },
           default: None,
          },
         },
         Raw {
          content: ")",
         },
        ],
        position: (21, 15),
       },
      ),
      KeyValue(
       AttributePath {
        attributes: [
         Raw {
          content: "VERSION_CODENAME",
          position: (22, 5),
         },
        ],
       },
       FunctionApplication {
        function: Variable {
         identifier: "toLower",
         position: (22, 24),
        },
        arguments: [
         PropertyAccess {
          expression: Variable {
           identifier: "cfg",
           position: (22, 32),
          },
          attribute_path: AttributePath {
           attributes: [
            Raw {
             content: "codeName",
             position: (22, 36),
            },
           ],
          },
          default: None,
         },
        ],
       },
      ),
      KeyValue(
       AttributePath {
        attributes: [
         Raw {
          content: "VERSION_ID",
          position: (23, 5),
         },
        ],
       },
       PropertyAccess {
        expression: Variable {
         identifier: "cfg",
         position: (23, 18),
        },
        attribute_path: AttributePath {
         attributes: [
          Raw {
           content: "release",
           position: (23, 22),
          },
         ],
        },
        default: None,
       },
      ),
      KeyValue(
       AttributePath {
        attributes: [
         Raw {
          content: "BUILD_ID",
          position: (24, 5),
         },
        ],
       },
       PropertyAccess {
        expression: Variable {
         identifier: "cfg",
         position: (24, 16),
        },
        attribute_path: AttributePath {
         attributes: [
          Raw {
           content: "version",
           position: (24, 20),
          },
         ],
        },
        default: None,
       },
      ),
      KeyValue(
       AttributePath {
        attributes: [
         Raw {
          content: "PRETTY_NAME",
          position: (25, 5),
         },
        ],
       },
       String {
        parts: [
         Raw {
          content: "NixOS ",
         },
         Expression {
          expression: PropertyAccess {
           expression: Variable {
            identifier: "cfg",
            position: (25, 28),
           },
           attribute_path: AttributePath {
            attributes: [
             Raw {
              content: "release",
              position: (25, 32),
             },
            ],
           },
           default: None,
          },
         },
         Raw {
          content: " (",
         },
         Expression {
          expression: PropertyAccess {
           expression: Variable {
            identifier: "cfg",
            position: (25, 44),
           },
           attribute_path: AttributePath {
            attributes: [
             Raw {
              content: "codeName",
              position: (25, 48),
             },
            ],
           },
           default: None,
          },
         },
         Raw {
          content: ")",
         },
        ],
        position: (25, 19),
       },
      ),
      KeyValue(
       AttributePath {
        attributes: [
         Raw {
          content: "LOGO",
          position: (26, 5),
         },
        ],
       },
       String {
        parts: [
         Raw {
          content: "nix-snowflake",
         },
        ],
        position: (26, 12),
       },
      ),
      KeyValue(
       AttributePath {
        attributes: [
         Raw {
          content: "HOME_URL",
          position: (27, 5),
         },
        ],
       },
       String {
        parts: [
         Raw {
          content: "https://nixos.org/",
         },
        ],
        position: (27, 16),
       },
      ),
      KeyValue(
       AttributePath {
        attributes: [
         Raw {
          content: "DOCUMENTATION_URL",
          position: (28, 5),
         },
        ],
       },
       String {
        parts: [
         Raw {
          content: "https://nixos.org/learn.html",
         },
        ],
        position: (28, 25),
       },
      ),
      KeyValue(
       AttributePath {
        attributes: [
         Raw {
          content: "SUPPORT_URL",
          position: (29, 5),
         },
        ],
       },
       String {
        parts: [
         Raw {
          content: "https://nixos.org/community.html",
         },
        ],
        position: (29, 19),
       },
      ),
      KeyValue(
       AttributePath {
        attributes: [
         Raw {
          content: "BUG_REPORT_URL",
          position: (30, 5),
         },
        ],
       },
       String {
        parts: [
         Raw {
          content: "https://github.com/NixOS/nixpkgs/issues",
         },
        ],
        position: (30, 22),
       },
      ),
     ],
     recursive: false,
     position: (18, 23),
    },
   ),
   KeyValue(
    AttributePath {
     attributes: [
      Raw {
       content: "initrdReleaseContents",
       position: (33, 3),
      },
     ],
    },
    BinaryOperation {
     operator: Update,
     operands: [
      Variable {
       identifier: "osReleaseContents",
       position: (33, 27),
      },
      Map {
       bindings: [
        KeyValue(
         AttributePath {
          attributes: [
           Raw {
            content: "PRETTY_NAME",
            position: (34, 5),
           },
          ],
         },
         String {
          parts: [
           Expression {
            expression: PropertyAccess {
             expression: Variable {
              identifier: "osReleaseContents",
              position: (34, 22),
             },
             attribute_path: AttributePath {
              attributes: [
               Raw {
                content: "PRETTY_NAME",
                position: (34, 40),
               },
              ],
             },
             default: None,
            },
           },
           Raw {
            content: " (Initrd)",
           },
          ],
          position: (34, 19),
         },
        ),
       ],
       recursive: false,
       position: (33, 48),
      },
     ],
     position: (33, 45),
    },
   ),
   KeyValue(
    AttributePath {
     attributes: [
      Raw {
       content: "initrdRelease",
       position: (36, 3),
      },
     ],
    },
    FunctionApplication {
     function: PropertyAccess {
      expression: Variable {
       identifier: "pkgs",
       position: (36, 19),
      },
      attribute_path: AttributePath {
       attributes: [
        Raw {
         content: "writeText",
         position: (36, 24),
        },
       ],
      },
      default: None,
     },
     arguments: [
      String {
       parts: [
        Raw {
         content: "initrd-release",
        },
       ],
       position: (36, 34),
      },
      FunctionApplication {
       function: Variable {
        identifier: "attrsToText",
        position: (36, 52),
       },
       arguments: [
        Variable {
         identifier: "initrdReleaseContents",
         position: (36, 64),
        },
       ],
      },
     ],
    },
   ),
  ],
  target: Map {
   bindings: [
    KeyValue(
     AttributePath {
      attributes: [
       Raw {
        content: "imports",
        position: (40, 3),
       },
      ],
     },
     List {
      elements: [
       FunctionApplication {
        function: Variable {
         identifier: "mkRenamedOptionModule",
         position: (41, 6),
        },
        arguments: [
         List {
          elements: [
           String {
            parts: [
             Raw {
              content: "system",
             },
            ],
            position: (41, 30),
           },
           String {
            parts: [
             Raw {
              content: "nixosVersion",
             },
            ],
            position: (41, 39),
           },
          ],
          position: (41, 28),
         },
         List {
          elements: [
           String {
            parts: [
             Raw {
              content: "system",
             },
            ],
            position: (41, 58),
           },
           String {
            parts: [
             Raw {
              content: "nixos",
             },
            ],
            position: (41, 67),
           },
           String {
            parts: [
             Raw {
              content: "version",
             },
            ],
            position: (41, 75),
           },
          ],
          position: (41, 56),
         },
        ],
       },
       FunctionApplication {
        function: Variable {
         identifier: "mkRenamedOptionModule",
         position: (42, 6),
        },
        arguments: [
         List {
          elements: [
           String {
            parts: [
             Raw {
              content: "system",
             },
            ],
            position: (42, 30),
           },
           String {
            parts: [
             Raw {
              content: "nixosVersionSuffix",
             },
            ],
            position: (42, 39),
           },
          ],
          position: (42, 28),
         },
         List {
          elements: [
           String {
            parts: [
             Raw {
              content: "system",
             },
            ],
            position: (42, 64),
           },
           String {
            parts: [
             Raw {
              content: "nixos",
             },
            ],
            position: (42, 73),
           },
           String {
            parts: [
             Raw {
              content: "versionSuffix",
             },
            ],
            position: (42, 81),
           },
          ],
          position: (42, 62),
         },
        ],
       },
       FunctionApplication {
        function: Variable {
         identifier: "mkRenamedOptionModule",
         position: (43, 6),
        },
        arguments: [
         List {
          elements: [
           String {
            parts: [
             Raw {
              content: "system",
             },
            ],
            position: (43, 30),
           },
           String {
            parts: [
             Raw {
              content: "nixosRevision",
             },
            ],
            position: (43, 39),
           },
          ],
          position: (43, 28),
         },
         List {
          elements: [
           String {
            parts: [
             Raw {
              content: "system",
             },
            ],
            position: (43, 59),
           },
           String {
            parts: [
             Raw {
              content: "nixos",
             },
            ],
            position: (43, 68),
           },
           String {
            parts: [
             Raw {
              content: "revision",
             },
            ],
            position: (43, 76),
           },
          ],
          position: (43, 57),
         },
        ],
       },
       FunctionApplication {
        function: Variable {
         identifier: "mkRenamedOptionModule",
         position: (44, 6),
        },
        arguments: [
         List {
          elements: [
           String {
            parts: [
             Raw {
              content: "system",
             },
            ],
            position: (44, 30),
           },
           String {
            parts: [
             Raw {
              content: "nixosLabel",
             },
            ],
            position: (44, 39),
           },
          ],
          position: (44, 28),
         },
         List {
          elements: [
           String {
            parts: [
             Raw {
              content: "system",
             },
            ],
            position: (44, 56),
           },
           String {
            parts: [
             Raw {
              content: "nixos",
             },
            ],
            position: (44, 65),
           },
           String {
            parts: [
             Raw {
              content: "label",
             },
            ],
            position: (44, 73),
           },
          ],
          position: (44, 54),
         },
        ],
       },
      ],
      position: (40, 13),
     },
    ),
    KeyValue(
     AttributePath {
      attributes: [
       Raw {
        content: "options",
        position: (47, 3),
       },
       Raw {
        content: "system",
        position: (47, 11),
       },
      ],
     },
     Map {
      bindings: [
       KeyValue(
        AttributePath {
         attributes: [
          Raw {
           content: "nixos",
           position: (49, 5),
          },
          Raw {
           content: "version",
           position: (49, 11),
          },
         ],
        },
        FunctionApplication {
         function: Variable {
          identifier: "mkOption",
          position: (49, 21),
         },
         arguments: [
          Map {
           bindings: [
            KeyValue(
             AttributePath {
              attributes: [
               Raw {
                content: "internal",
                position: (50, 7),
               },
              ],
             },
             Variable {
              identifier: "true",
              position: (50, 18),
             },
            ),
            KeyValue(
             AttributePath {
              attributes: [
               Raw {
                content: "type",
                position: (51, 7),
               },
              ],
             },
             PropertyAccess {
              expression: Variable {
               identifier: "types",
               position: (51, 14),
              },
              attribute_path: AttributePath {
               attributes: [
                Raw {
                 content: "str",
                 position: (51, 20),
                },
               ],
              },
              default: None,
             },
            ),
            KeyValue(
             AttributePath {
              attributes: [
               Raw {
                content: "description",
                position: (52, 7),
               },
              ],
             },
             String {
              parts: [
               Raw {
                content: "The full NixOS version (e.g. <literal>16.03.1160.f2d4ee1</literal>).",
               },
              ],
              position: (52, 21),
             },
            ),
           ],
           recursive: false,
           position: (49, 30),
          },
         ],
        },
       ),
       KeyValue(
        AttributePath {
         attributes: [
          Raw {
           content: "nixos",
           position: (55, 5),
          },
          Raw {
           content: "release",
           position: (55, 11),
          },
         ],
        },
        FunctionApplication {
         function: Variable {
          identifier: "mkOption",
          position: (55, 21),
         },
         arguments: [
          Map {
           bindings: [
            KeyValue(
             AttributePath {
              attributes: [
               Raw {
                content: "readOnly",
                position: (56, 7),
               },
              ],
             },
             Variable {
              identifier: "true",
              position: (56, 18),
             },
            ),
            KeyValue(
             AttributePath {
              attributes: [
               Raw {
                content: "type",
                position: (57, 7),
               },
              ],
             },
             PropertyAccess {
              expression: Variable {
               identifier: "types",
               position: (57, 14),
              },
              attribute_path: AttributePath {
               attributes: [
                Raw {
                 content: "str",
                 position: (57, 20),
                },
               ],
              },
              default: None,
             },
            ),
            KeyValue(
             AttributePath {
              attributes: [
               Raw {
                content: "default",
                position: (58, 7),
               },
              ],
             },
             PropertyAccess {
              expression: Variable {
               identifier: "trivial",
               position: (58, 17),
              },
              attribute_path: AttributePath {
               attributes: [
                Raw {
                 content: "release",
                 position: (58, 25),
                },
               ],
              },
              default: None,
             },
            ),
            KeyValue(
             AttributePath {
              attributes: [
               Raw {
                content: "description",
                position: (59, 7),
               },
              ],
             },
             String {
              parts: [
               Raw {
                content: "The NixOS release (e.g. <literal>16.03</literal>).",
               },
              ],
              position: (59, 21),
             },
            ),
           ],
           recursive: false,
           position: (55, 30),
          },
         ],
        },
       ),
       KeyValue(
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