JsModule {
    interpreter_token: missing (optional),
    directives: JsDirectiveList [],
    items: JsModuleItemList [
        JsExport {
            export_token: EXPORT_KW@0..7 "export" [] [Whitespace(" ")],
            export_clause: JsExportDefaultDeclarationClause {
                default_token: DEFAULT_KW@7..15 "default" [] [Whitespace(" ")],
                declaration: JsClassExportDefaultDeclaration {
                    abstract_token: missing (optional),
                    class_token: CLASS_KW@15..21 "class" [] [Whitespace(" ")],
                    id: missing (optional),
                    type_parameters: missing (optional),
                    extends_clause: missing (optional),
                    implements_clause: missing (optional),
                    l_curly_token: L_CURLY@21..22 "{" [] [],
                    members: JsClassMemberList [],
                    r_curly_token: R_CURLY@22..23 "}" [] [],
                },
                semicolon_token: missing (optional),
            },
        },
    ],
    eof_token: EOF@23..24 "" [Newline("\n")] [],
}

0: JS_MODULE@0..24
  0: (empty)
  1: JS_DIRECTIVE_LIST@0..0
  2: JS_MODULE_ITEM_LIST@0..23
    0: JS_EXPORT@0..23
      0: EXPORT_KW@0..7 "export" [] [Whitespace(" ")]
      1: JS_EXPORT_DEFAULT_DECLARATION_CLAUSE@7..23
        0: DEFAULT_KW@7..15 "default" [] [Whitespace(" ")]
        1: JS_CLASS_EXPORT_DEFAULT_DECLARATION@15..23
          0: (empty)
          1: CLASS_KW@15..21 "class" [] [Whitespace(" ")]
          2: (empty)
          3: (empty)
          4: (empty)
          5: (empty)
          6: L_CURLY@21..22 "{" [] []
          7: JS_CLASS_MEMBER_LIST@22..22
          8: R_CURLY@22..23 "}" [] []
        2: (empty)
  3: EOF@23..24 "" [Newline("\n")] []