Function(
 Function {
  head: Destructured(
   FunctionHeadDestructured {
    ellipsis: true,
    identifier: None,
    arguments: [
     FunctionHeadDestructuredArgument {
      identifier: "lib",
      default: None,
     },
    ],
   },
  ),
  body: Map(
   Map {
    recursive: false,
    bindings: [
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      BindingKeyValue {
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        Raw(
         PartRaw {
          content: "options",
          span: Span {
           start: Position {
            line: 2,
            column: 3,
           },
           end: Position {
            line: 2,
            column: 10,
           },
          },
         },
        ),
        Raw(
         PartRaw {
          content: "dummy",
          span: Span {
           start: Position {
            line: 2,
            column: 11,
           },
           end: Position {
            line: 2,
            column: 16,
           },
          },
         },
        ),
       ],
       to: FunctionApplication(
        FunctionApplication {
         function: PropertyAccess(
          PropertyAccess {
           expression: Identifier(
            Identifier {
             id: "lib",
             span: Span {
              start: Position {
               line: 2,
               column: 19,
              },
              end: Position {
               line: 2,
               column: 22,
              },
             },
            },
           ),
           attribute_path: [
            Raw(
             PartRaw {
              content: "mkOption",
              span: Span {
               start: Position {
                line: 2,
                column: 23,
               },
               end: Position {
                line: 2,
                column: 31,
               },
              },
             },
            ),
           ],
           default: None,
          },
         ),
         arguments: [
          Map(
           Map {
            recursive: false,
            bindings: [
             KeyValue(
              BindingKeyValue {
               from: [
                Raw(
                 PartRaw {
                  content: "type",
                  span: Span {
                   start: Position {
                    line: 2,
                    column: 34,
                   },
                   end: Position {
                    line: 2,
                    column: 38,
                   },
                  },
                 },
                ),
               ],
               to: PropertyAccess(
                PropertyAccess {
                 expression: Identifier(
                  Identifier {
                   id: "lib",
                   span: Span {
                    start: Position {
                     line: 2,
                     column: 41,
                    },
                    end: Position {
                     line: 2,
                     column: 44,
                    },
                   },
                  },
                 ),
                 attribute_path: [
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                   PartRaw {
                    content: "types",
                    span: Span {
                     start: Position {
                      line: 2,
                      column: 45,
                     },
                     end: Position {
                      line: 2,
                      column: 50,
                     },
                    },
                   },
                  ),
                  Raw(
                   PartRaw {
                    content: "anything",
                    span: Span {
                     start: Position {
                      line: 2,
                      column: 51,
                     },
                     end: Position {
                      line: 2,
                      column: 59,
                     },
                    },
                   },
                  ),
                 ],
                 default: None,
                },
               ),
              },
             ),
             KeyValue(
              BindingKeyValue {
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                Raw(
                 PartRaw {
                  content: "default",
                  span: Span {
                   start: Position {
                    line: 2,
                    column: 61,
                   },
                   end: Position {
                    line: 2,
                    column: 68,
                   },
                  },
                 },
                ),
               ],
               to: Map(
                Map {
                 recursive: false,
                 bindings: [],
                 span: Span {
                  start: Position {
                   line: 2,
                   column: 71,
                  },
                  end: Position {
                   line: 2,
                   column: 73,
                  },
                 },
                },
               ),
              },
             ),
            ],
            span: Span {
             start: Position {
              line: 2,
              column: 32,
             },
             end: Position {
              line: 2,
              column: 76,
             },
            },
           },
          ),
         ],
        },
       ),
      },
     ),
     KeyValue(
      BindingKeyValue {
       from: [
        Raw(
         PartRaw {
          content: "freeformType",
          span: Span {
           start: Position {
            line: 3,
            column: 3,
           },
           end: Position {
            line: 3,
            column: 15,
           },
          },
         },
        ),
       ],
       to: LetIn(
        LetIn {
         bindings: [
          KeyValue(
           BindingKeyValue {
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             Raw(
              PartRaw {
               content: "a",
               span: Span {
                start: Position {
                 line: 5,
                 column: 7,
                },
                end: Position {
                 line: 5,
                 column: 8,
                },
               },
              },
             ),
            ],
            to: FunctionApplication(
             FunctionApplication {
              function: PropertyAccess(
               PropertyAccess {
                expression: Identifier(
                 Identifier {
                  id: "lib",
                  span: Span {
                   start: Position {
                    line: 5,
                    column: 11,
                   },
                   end: Position {
                    line: 5,
                    column: 14,
                   },
                  },
                 },
                ),
                attribute_path: [
                 Raw(
                  PartRaw {
                   content: "types",
                   span: Span {
                    start: Position {
                     line: 5,
                     column: 15,
                    },
                    end: Position {
                     line: 5,
                     column: 20,
                    },
                   },
                  },
                 ),
                 Raw(
                  PartRaw {
                   content: "attrsOf",
                   span: Span {
                    start: Position {
                     line: 5,
                     column: 21,
                    },
                    end: Position {
                     line: 5,
                     column: 28,
                    },
                   },
                  },
                 ),
                ],
                default: None,
               },
              ),
              arguments: [
               FunctionApplication(
                FunctionApplication {
                 function: PropertyAccess(
                  PropertyAccess {
                   expression: Identifier(
                    Identifier {
                     id: "lib",
                     span: Span {
                      start: Position {
                       line: 5,
                       column: 30,
                      },
                      end: Position {
                       line: 5,
                       column: 33,
                      },
                     },
                    },
                   ),
                   attribute_path: [
                    Raw(
                     PartRaw {
                      content: "types",
                      span: Span {
                       start: Position {
                        line: 5,
                        column: 34,
                       },
                       end: Position {
                        line: 5,
                        column: 39,
                       },
                      },
                     },
                    ),
                    Raw(
                     PartRaw {
                      content: "submodule",
                      span: Span {
                       start: Position {
                        line: 5,
                        column: 40,
                       },
                       end: Position {
                        line: 5,
                        column: 49,
                       },
                      },
                     },
                    ),
                   ],
                   default: None,
                  },
                 ),
                 arguments: [
                  Map(
                   Map {
                    recursive: false,
                    bindings: [
                     KeyValue(
                      BindingKeyValue {
                       from: [
                        Raw(
                         PartRaw {
                          content: "options",
                          span: Span {
                           start: Position {
                            line: 5,
                            column: 52,
                           },
                           end: Position {
                            line: 5,
                            column: 59,
                           },
                          },
                         },
                        ),
                        Raw(
                         PartRaw {
                          content: "bar",
                          span: Span {
                           start: Position {
                            line: 5,
                            column: 60,
                           },
                           end: Position {
                            line: 5,
                            column: 63,
                           },
                          },
                         },
                        ),
                       ],
                       to: FunctionApplication(
                        FunctionApplication {
                         function: PropertyAccess(
                          PropertyAccess {
                           expression: Identifier(
                            Identifier {
                             id: "lib",
                             span: Span {
                              start: Position {
                               line: 5,
                               column: 66,
                              },
                              end: Position {
                               line: 5,
                               column: 69,
                              },
                             },
                            },
                           ),
                           attribute_path: [
                            Raw(
                             PartRaw {
                              content: "mkOption",
                              span: Span {
                               start: Position {
                                line: 5,
                                column: 70,
                               },
                               end: Position {
                                line: 5,
                                column: 78,
                               },
                              },
                             },
                            ),
                           ],
                           default: None,
                          },
                         ),
                         arguments: [
                          Map(
                           Map {
                            recursive: false,
                            bindings: [],
                            span: Span {
                             start: Position {
                              line: 5,
                              column: 79,
                             },
                             end: Position {
                              line: 5,
                              column: 82,
                             },
                            },
                           },
                          ),
                         ],
                        },
                       ),
                      },
                     ),
                    ],
                    span: Span {
                     start: Position {
                      line: 5,
                      column: 50,
                     },
                     end: Position {
                      line: 5,
                      column: 85,
                     },
                    },
                   },
                  ),
                 ],
                },
               ),
              ],
             },
            ),
           },
          ),
         ],
         target: BinaryOperation(
          BinaryOperation {
           left: Identifier(
            Identifier {
             id: "a",
             span: Span {
              start: Position {
               line: 10,
               column: 5,
              },
              end: Position {
               line: 10,
               column: 6,
              },
             },
            },
           ),
           operator: Update,
           right: Map(
            Map {
             recursive: false,
             bindings: [
              KeyValue(
               BindingKeyValue {
                from: [
                 Raw(
                  PartRaw {
                   content: "merge",
                   span: Span {
                    start: Position {
                     line: 11,
                     column: 7,
                    },
                    end: Position {
                     line: 11,
                     column: 12,
                    },
                   },
                  },
                 ),
                ],
                to: Function(
                 Function {
                  head: Simple(
                   FunctionHeadSimple {
                    identifier: "loc",
                   },
                  ),
                  body: Function(
                   Function {
                    head: Simple(
                     FunctionHeadSimple {
                      identifier: "defs",
                     },
                    ),
                    body: Map(
                     Map {
                      recursive: false,
                      bindings: [
                       KeyValue(
                        BindingKeyValue {
                         from: [
                          Raw(
                           PartRaw {
                            content: "freeformItems",
                            span: Span {
                             start: Position {
                              line: 11,
                              column: 28,
                             },
                             end: Position {
                              line: 11,
                              column: 41,
                             },
                            },
                           },
                          ),
                         ],
                         to: FunctionApplication(
                          FunctionApplication {
                           function: PropertyAccess(
                            PropertyAccess {
                             expression: Identifier(
                              Identifier {
                               id: "a",
                               span: Span {
                                start: Position {
                                 line: 11,
                                 column: 44,
                                },
                                end: Position {
                                 line: 11,
                                 column: 45,
                                },
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                             ),
                             attribute_path: [
                              Raw(
                               PartRaw {
                                content: "merge",
                                span: Span {
                                 start: Position {
                                  line: 11,
                                  column: 46,
                                 },
                                 end: Position {
                                  line: 11,
                                  column: 51,
                                 },
                                },
                               },
                              ),
                             ],
                             default: None,
                            },
                           ),
                           arguments: [
                            Identifier(
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                              id: "loc",
                              span: Span {
                               start: Position {
                                line: 11,
                                column: 52,
                               },
                               end: Position {
                                line: 11,
                                column: 55,
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                            ),
                            Identifier(
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                              id: "defs",
                              span: Span {
                               start: Position {
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                                column: 56,
                               },
                               end: Position {
                                line: 11,
                                column: 60,
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                      span: Span {
                       start: Position {
                        line: 11,
                        column: 26,
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                       end: Position {
                        line: 11,
                        column: 63,
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                    ),
                    span: Span {
                     start: Position {
                      line: 11,
                      column: 20,
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                     end: Position {
                      line: 11,
                      column: 63,
                     },
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                   },
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                  span: Span {
                   start: Position {
                    line: 11,
                    column: 15,
                   },
                   end: Position {
                    line: 11,
                    column: 63,
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             span: Span {
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               column: 10,
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               column: 6,
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         span: Span {
          start: Position {
           line: 4,
           column: 5,
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          end: Position {
           line: 12,
           column: 6,
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     ),
     KeyValue(
      BindingKeyValue {
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         PartRaw {
          content: "config",
          span: Span {
           start: Position {
            line: 13,
            column: 3,
           },
           end: Position {
            line: 13,
            column: 9,
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         },
        ),
        Raw(
         PartRaw {
          content: "foo",
          span: Span {
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            line: 13,
            column: 10,
           },
           end: Position {
            line: 13,
            column: 13,
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        ),
        Raw(
         PartRaw {
          content: "bar",
          span: Span {
           start: Position {
            line: 13,
            column: 14,
           },
           end: Position {
            line: 13,
            column: 17,
           },
          },
         },
        ),
       ],
       to: String(
        String_ {
         parts: [
          Raw(
           PartRaw {
            content: "ok",
            span: Span {
             start: Position {
              line: 13,
              column: 21,
             },
             end: Position {
              line: 13,
              column: 23,
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         span: Span {
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           line: 13,
           column: 20,
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          end: Position {
           line: 13,
           column: 24,
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    span: Span {
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      line: 1,
      column: 15,
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     end: Position {
      line: 14,
      column: 2,
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   start: Position {
    line: 1,
    column: 1,
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   end: Position {
    line: 14,
    column: 2,
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)