docs: def _list_locators(self):
          """
          Lists locators.
  
          Returns:
              generator of tuple: locator name str, locator header dict
          """
          with _handle_oss_error():
              response = _oss.Service(
                  self.client, endpoint=self._endpoint).list_buckets()
  
          for bucket in response.buckets:
              yield bucket.name, self._model_to_dict(bucket, ('name',))