docs: def dumps(self, with_defaults=False):
          """
          Generate a string representing all the configuration values.
  
          Args:
              with_defaults (bool): if ``True``, values of items with no custom values will be included in the output
                  if they have a default value set.
          """
          return self._rw.dump_config_to_string(self._config, with_defaults=with_defaults)