docs: def create_str(help_string=NO_HELP, default=NO_DEFAULT):
          # type: (str, Union[str, NO_DEFAULT_TYPE]) -> str
          """
          Create a string parameter
          :param help_string:
          :param default:
          :return:
          """
          # noinspection PyTypeChecker
          return ParamFunctions(
              help_string=help_string,
              default=default,
              type_name="str",
              function_s2t=convert_string_to_string,
              function_t2s=convert_string_to_string,
          )