Function(
 Function {
  head: Destructured(
   FunctionHeadDestructured {
    ellipsis: true,
    identifier: None,
    arguments: [
     FunctionHeadDestructuredArgument {
      identifier: "lib",
      default: None,
     },
     FunctionHeadDestructuredArgument {
      identifier: "moduleType",
      default: None,
     },
    ],
   },
  ),
  body: LetIn(
   LetIn {
    bindings: [
     Inherit(
      BindingInherit {
       from: Some(
        Identifier(
         Identifier {
          id: "lib",
          span: Span {
           start: Position {
            line: 2,
            column: 14,
           },
           end: Position {
            line: 2,
            column: 17,
           },
          },
         },
        ),
       ),
       attributes: [
        Raw(
         PartRaw {
          content: "mkOption",
          span: Span {
           start: Position {
            line: 2,
            column: 19,
           },
           end: Position {
            line: 2,
            column: 27,
           },
          },
         },
        ),
        Raw(
         PartRaw {
          content: "types",
          span: Span {
           start: Position {
            line: 2,
            column: 28,
           },
           end: Position {
            line: 2,
            column: 33,
           },
          },
         },
        ),
       ],
       span: Span {
        start: Position {
         line: 2,
         column: 4,
        },
        end: Position {
         line: 2,
         column: 34,
        },
       },
      },
     ),
    ],
    target: Map(
     Map {
      recursive: false,
      bindings: [
       KeyValue(
        BindingKeyValue {
         from: [
          Raw(
           PartRaw {
            content: "options",
            span: Span {
             start: Position {
              line: 5,
              column: 3,
             },
             end: Position {
              line: 5,
              column: 10,
             },
            },
           },
          ),
          Raw(
           PartRaw {
            content: "variants",
            span: Span {
             start: Position {
              line: 5,
              column: 11,
             },
             end: Position {
              line: 5,
              column: 19,
             },
            },
           },
          ),
         ],
         to: FunctionApplication(
          FunctionApplication {
           function: Identifier(
            Identifier {
             id: "mkOption",
             span: Span {
              start: Position {
               line: 5,
               column: 22,
              },
              end: Position {
               line: 5,
               column: 30,
              },
             },
            },
           ),
           arguments: [
            Map(
             Map {
              recursive: false,
              bindings: [
               KeyValue(
                BindingKeyValue {
                 from: [
                  Raw(
                   PartRaw {
                    content: "type",
                    span: Span {
                     start: Position {
                      line: 6,
                      column: 5,
                     },
                     end: Position {
                      line: 6,
                      column: 9,
                     },
                    },
                   },
                  ),
                 ],
                 to: FunctionApplication(
                  FunctionApplication {
                   function: PropertyAccess(
                    PropertyAccess {
                     expression: Identifier(
                      Identifier {
                       id: "types",
                       span: Span {
                        start: Position {
                         line: 6,
                         column: 12,
                        },
                        end: Position {
                         line: 6,
                         column: 17,
                        },
                       },
                      },
                     ),
                     attribute_path: [
                      Raw(
                       PartRaw {
                        content: "lazyAttrsOf",
                        span: Span {
                         start: Position {
                          line: 6,
                          column: 18,
                         },
                         end: Position {
                          line: 6,
                          column: 29,
                         },
                        },
                       },
                      ),
                     ],
                     default: None,
                    },
                   ),
                   arguments: [
                    Identifier(
                     Identifier {
                      id: "moduleType",
                      span: Span {
                       start: Position {
                        line: 6,
                        column: 30,
                       },
                       end: Position {
                        line: 6,
                        column: 40,
                       },
                      },
                     },
                    ),
                   ],
                  },
                 ),
                },
               ),
               KeyValue(
                BindingKeyValue {
                 from: [
                  Raw(
                   PartRaw {
                    content: "default",
                    span: Span {
                     start: Position {
                      line: 7,
                      column: 5,
                     },
                     end: Position {
                      line: 7,
                      column: 12,
                     },
                    },
                   },
                  ),
                 ],
                 to: Map(
                  Map {
                   recursive: false,
                   bindings: [],
                   span: Span {
                    start: Position {
                     line: 7,
                     column: 15,
                    },
                    end: Position {
                     line: 7,
                     column: 17,
                    },
                   },
                  },
                 ),
                },
               ),
              ],
              span: Span {
               start: Position {
                line: 5,
                column: 31,
               },
               end: Position {
                line: 8,
                column: 4,
               },
              },
             },
            ),
           ],
          },
         ),
        },
       ),
      ],
      span: Span {
       start: Position {
        line: 4,
        column: 1,
       },
       end: Position {
        line: 9,
        column: 2,
       },
      },
     },
    ),
    span: Span {
     start: Position {
      line: 2,
      column: 1,
     },
     end: Position {
      line: 9,
      column: 2,
     },
    },
   },
  ),
  span: Span {
   start: Position {
    line: 1,
    column: 1,
   },
   end: Position {
    line: 9,
    column: 2,
   },
  },
 },
)