>>> (indent 2)
  String lookupMessage(
      String message_str, [final String desc = '', final Map examples = const {
  }, String locale, String name, List<String> args, String meaning]) =>
      message_str;
<<<
  String lookupMessage(String message_str,
          [final String desc = '',
          final Map examples = const {},
          String locale,
          String name,
          List<String> args,
          String meaning]) =>
      message_str;