Function(
 Function {
  head: Destructured(
   FunctionHeadDestructured {
    ellipsis: true,
    identifier: None,
    arguments: [
     FunctionHeadDestructuredArgument {
      identifier: "config",
      default: None,
     },
     FunctionHeadDestructuredArgument {
      identifier: "lib",
      default: None,
     },
     FunctionHeadDestructuredArgument {
      identifier: "hostPkgs",
      default: None,
     },
    ],
   },
  ),
  body: Map(
   Map {
    recursive: false,
    bindings: [
     KeyValue(
      BindingKeyValue {
       from: [
        Raw(
         PartRaw {
          content: "config",
          span: Span {
           start: Position {
            line: 3,
            column: 3,
           },
           end: Position {
            line: 3,
            column: 9,
           },
          },
         },
        ),
       ],
       to: Map(
        Map {
         recursive: false,
         bindings: [
          KeyValue(
           BindingKeyValue {
            from: [
             Raw(
              PartRaw {
               content: "_module",
               span: Span {
                start: Position {
                 line: 5,
                 column: 5,
                },
                end: Position {
                 line: 5,
                 column: 12,
                },
               },
              },
             ),
             Raw(
              PartRaw {
               content: "args",
               span: Span {
                start: Position {
                 line: 5,
                 column: 13,
                },
                end: Position {
                 line: 5,
                 column: 17,
                },
               },
              },
             ),
             Raw(
              PartRaw {
               content: "pkgs",
               span: Span {
                start: Position {
                 line: 5,
                 column: 18,
                },
                end: Position {
                 line: 5,
                 column: 22,
                },
               },
              },
             ),
            ],
            to: Identifier(
             Identifier {
              id: "hostPkgs",
              span: Span {
               start: Position {
                line: 5,
                column: 25,
               },
               end: Position {
                line: 5,
                column: 33,
               },
              },
             },
            ),
           },
          ),
          KeyValue(
           BindingKeyValue {
            from: [
             Raw(
              PartRaw {
               content: "defaults",
               span: Span {
                start: Position {
                 line: 7,
                 column: 5,
                },
                end: Position {
                 line: 7,
                 column: 13,
                },
               },
              },
             ),
            ],
            to: Map(
             Map {
              recursive: false,
              bindings: [],
              span: Span {
               start: Position {
                line: 7,
                column: 16,
               },
               end: Position {
                line: 9,
                column: 6,
               },
              },
             },
            ),
           },
          ),
         ],
         span: Span {
          start: Position {
           line: 3,
           column: 12,
          },
          end: Position {
           line: 10,
           column: 4,
          },
         },
        },
       ),
      },
     ),
    ],
    span: Span {
     start: Position {
      line: 2,
      column: 1,
     },
     end: Position {
      line: 11,
      column: 2,
     },
    },
   },
  ),
  span: Span {
   start: Position {
    line: 1,
    column: 1,
   },
   end: Position {
    line: 11,
    column: 2,
   },
  },
 },
)