Function(
 Function {
  head: Destructured(
   FunctionHeadDestructured {
    ellipsis: true,
    identifier: None,
    arguments: [
     FunctionHeadDestructuredArgument {
      identifier: "lib",
      default: None,
     },
    ],
   },
  ),
  body: LetIn(
   LetIn {
    bindings: [
     KeyValue(
      BindingKeyValue {
       from: [
        Raw(
         PartRaw {
          content: "sub",
          span: Span {
           start: Position {
            line: 2,
            column: 3,
           },
           end: Position {
            line: 2,
            column: 6,
           },
          },
         },
        ),
        Raw(
         PartRaw {
          content: "options",
          span: Span {
           start: Position {
            line: 2,
            column: 7,
           },
           end: Position {
            line: 2,
            column: 14,
           },
          },
         },
        ),
        Raw(
         PartRaw {
          content: "config",
          span: Span {
           start: Position {
            line: 2,
            column: 15,
           },
           end: Position {
            line: 2,
            column: 21,
           },
          },
         },
        ),
       ],
       to: FunctionApplication(
        FunctionApplication {
         function: PropertyAccess(
          PropertyAccess {
           expression: Identifier(
            Identifier {
             id: "lib",
             span: Span {
              start: Position {
               line: 2,
               column: 24,
              },
              end: Position {
               line: 2,
               column: 27,
              },
             },
            },
           ),
           attribute_path: [
            Raw(
             PartRaw {
              content: "mkOption",
              span: Span {
               start: Position {
                line: 2,
                column: 28,
               },
               end: Position {
                line: 2,
                column: 36,
               },
              },
             },
            ),
           ],
           default: None,
          },
         ),
         arguments: [
          Map(
           Map {
            recursive: false,
            bindings: [
             KeyValue(
              BindingKeyValue {
               from: [
                Raw(
                 PartRaw {
                  content: "type",
                  span: Span {
                   start: Position {
                    line: 3,
                    column: 5,
                   },
                   end: Position {
                    line: 3,
                    column: 9,
                   },
                  },
                 },
                ),
               ],
               to: PropertyAccess(
                PropertyAccess {
                 expression: Identifier(
                  Identifier {
                   id: "lib",
                   span: Span {
                    start: Position {
                     line: 3,
                     column: 12,
                    },
                    end: Position {
                     line: 3,
                     column: 15,
                    },
                   },
                  },
                 ),
                 attribute_path: [
                  Raw(
                   PartRaw {
                    content: "types",
                    span: Span {
                     start: Position {
                      line: 3,
                      column: 16,
                     },
                     end: Position {
                      line: 3,
                      column: 21,
                     },
                    },
                   },
                  ),
                  Raw(
                   PartRaw {
                    content: "bool",
                    span: Span {
                     start: Position {
                      line: 3,
                      column: 22,
                     },
                     end: Position {
                      line: 3,
                      column: 26,
                     },
                    },
                   },
                  ),
                 ],
                 default: None,
                },
               ),
              },
             ),
             KeyValue(
              BindingKeyValue {
               from: [
                Raw(
                 PartRaw {
                  content: "default",
                  span: Span {
                   start: Position {
                    line: 4,
                    column: 5,
                   },
                   end: Position {
                    line: 4,
                    column: 12,
                   },
                  },
                 },
                ),
               ],
               to: Identifier(
                Identifier {
                 id: "false",
                 span: Span {
                  start: Position {
                   line: 4,
                   column: 15,
                  },
                  end: Position {
                   line: 4,
                   column: 20,
                  },
                 },
                },
               ),
              },
             ),
            ],
            span: Span {
             start: Position {
              line: 2,
              column: 37,
             },
             end: Position {
              line: 5,
              column: 4,
             },
            },
           },
          ),
         ],
        },
       ),
      },
     ),
    ],
    target: Map(
     Map {
      recursive: false,
      bindings: [
       KeyValue(
        BindingKeyValue {
         from: [
          Raw(
           PartRaw {
            content: "options",
            span: Span {
             start: Position {
              line: 7,
              column: 3,
             },
             end: Position {
              line: 7,
              column: 10,
             },
            },
           },
          ),
          Raw(
           PartRaw {
            content: "submodule",
            span: Span {
             start: Position {
              line: 7,
              column: 11,
             },
             end: Position {
              line: 7,
              column: 20,
             },
            },
           },
          ),
         ],
         to: FunctionApplication(
          FunctionApplication {
           function: PropertyAccess(
            PropertyAccess {
             expression: Identifier(
              Identifier {
               id: "lib",
               span: Span {
                start: Position {
                 line: 7,
                 column: 23,
                },
                end: Position {
                 line: 7,
                 column: 26,
                },
               },
              },
             ),
             attribute_path: [
              Raw(
               PartRaw {
                content: "mkOption",
                span: Span {
                 start: Position {
                  line: 7,
                  column: 27,
                 },
                 end: Position {
                  line: 7,
                  column: 35,
                 },
                },
               },
              ),
             ],
             default: None,
            },
           ),
           arguments: [
            Map(
             Map {
              recursive: false,
              bindings: [
               KeyValue(
                BindingKeyValue {
                 from: [
                  Raw(
                   PartRaw {
                    content: "type",
                    span: Span {
                     start: Position {
                      line: 8,
                      column: 5,
                     },
                     end: Position {
                      line: 8,
                      column: 9,
                     },
                    },
                   },
                  ),
                 ],
                 to: FunctionApplication(
                  FunctionApplication {
                   function: PropertyAccess(
                    PropertyAccess {
                     expression: Identifier(
                      Identifier {
                       id: "lib",
                       span: Span {
                        start: Position {
                         line: 8,
                         column: 12,
                        },
                        end: Position {
                         line: 8,
                         column: 15,
                        },
                       },
                      },
                     ),
                     attribute_path: [
                      Raw(
                       PartRaw {
                        content: "types",
                        span: Span {
                         start: Position {
                          line: 8,
                          column: 16,
                         },
                         end: Position {
                          line: 8,
                          column: 21,
                         },
                        },
                       },
                      ),
                      Raw(
                       PartRaw {
                        content: "submoduleWith",
                        span: Span {
                         start: Position {
                          line: 8,
                          column: 22,
                         },
                         end: Position {
                          line: 8,
                          column: 35,
                         },
                        },
                       },
                      ),
                     ],
                     default: None,
                    },
                   ),
                   arguments: [
                    Map(
                     Map {
                      recursive: false,
                      bindings: [
                       KeyValue(
                        BindingKeyValue {
                         from: [
                          Raw(
                           PartRaw {
                            content: "modules",
                            span: Span {
                             start: Position {
                              line: 9,
                              column: 7,
                             },
                             end: Position {
                              line: 9,
                              column: 14,
                             },
                            },
                           },
                          ),
                         ],
                         to: List(
                          List {
                           elements: [
                            Identifier(
                             Identifier {
                              id: "sub",
                              span: Span {
                               start: Position {
                                line: 9,
                                column: 19,
                               },
                               end: Position {
                                line: 9,
                                column: 22,
                               },
                              },
                             },
                            ),
                           ],
                           span: Span {
                            start: Position {
                             line: 9,
                             column: 17,
                            },
                            end: Position {
                             line: 9,
                             column: 24,
                            },
                           },
                          },
                         ),
                        },
                       ),
                      ],
                      span: Span {
                       start: Position {
                        line: 8,
                        column: 36,
                       },
                       end: Position {
                        line: 10,
                        column: 6,
                       },
                      },
                     },
                    ),
                   ],
                  },
                 ),
                },
               ),
               KeyValue(
                BindingKeyValue {
                 from: [
                  Raw(
                   PartRaw {
                    content: "default",
                    span: Span {
                     start: Position {
                      line: 11,
                      column: 5,
                     },
                     end: Position {
                      line: 11,
                      column: 12,
                     },
                    },
                   },
                  ),
                 ],
                 to: Map(
                  Map {
                   recursive: false,
                   bindings: [],
                   span: Span {
                    start: Position {
                     line: 11,
                     column: 15,
                    },
                    end: Position {
                     line: 11,
                     column: 17,
                    },
                   },
                  },
                 ),
                },
               ),
              ],
              span: Span {
               start: Position {
                line: 7,
                column: 36,
               },
               end: Position {
                line: 12,
                column: 4,
               },
              },
             },
            ),
           ],
          },
         ),
        },
       ),
      ],
      span: Span {
       start: Position {
        line: 6,
        column: 4,
       },
       end: Position {
        line: 13,
        column: 2,
       },
      },
     },
    ),
    span: Span {
     start: Position {
      line: 1,
      column: 15,
     },
     end: Position {
      line: 13,
      column: 2,
     },
    },
   },
  ),
  span: Span {
   start: Position {
    line: 1,
    column: 1,
   },
   end: Position {
    line: 13,
    column: 2,
   },
  },
 },
)