JsModule {
    bom_token: missing (optional),
    interpreter_token: missing (optional),
    directives: JsDirectiveList [],
    items: JsModuleItemList [
        JsExport {
            decorators: JsDecoratorList [],
            export_token: EXPORT_KW@0..7 "export" [] [Whitespace(" ")],
            export_clause: JsExportDefaultDeclarationClause {
                default_token: DEFAULT_KW@7..15 "default" [] [Whitespace(" ")],
                declaration: TsInterfaceDeclaration {
                    interface_token: INTERFACE_KW@15..25 "interface" [] [Whitespace(" ")],
                    id: TsIdentifierBinding {
                        name_token: IDENT@25..27 "A" [] [Whitespace(" ")],
                    },
                    type_parameters: missing (optional),
                    extends_clause: missing (optional),
                    l_curly_token: L_CURLY@27..29 "{" [] [Whitespace(" ")],
                    members: TsTypeMemberList [],
                    r_curly_token: R_CURLY@29..30 "}" [] [],
                },
                semicolon_token: missing (optional),
            },
        },
    ],
    eof_token: EOF@30..31 "" [Newline("\n")] [],
}

0: JS_MODULE@0..31
  0: (empty)
  1: (empty)
  2: JS_DIRECTIVE_LIST@0..0
  3: JS_MODULE_ITEM_LIST@0..30
    0: JS_EXPORT@0..30
      0: JS_DECORATOR_LIST@0..0
      1: EXPORT_KW@0..7 "export" [] [Whitespace(" ")]
      2: JS_EXPORT_DEFAULT_DECLARATION_CLAUSE@7..30
        0: DEFAULT_KW@7..15 "default" [] [Whitespace(" ")]
        1: TS_INTERFACE_DECLARATION@15..30
          0: INTERFACE_KW@15..25 "interface" [] [Whitespace(" ")]
          1: TS_IDENTIFIER_BINDING@25..27
            0: IDENT@25..27 "A" [] [Whitespace(" ")]
          2: (empty)
          3: (empty)
          4: L_CURLY@27..29 "{" [] [Whitespace(" ")]
          5: TS_TYPE_MEMBER_LIST@29..29
          6: R_CURLY@29..30 "}" [] []
        2: (empty)
  4: EOF@30..31 "" [Newline("\n")] []