code: def get_blobs_zip(self, blob_ids, repository_id, project=None, filename=None, **kwargs):
          
          route_values = {}
          if project is not None:
              route_values['project'] = self._serialize.url('project', project, 'str')
          if repository_id is not None:
              route_values['repositoryId'] = self._serialize.url('repository_id', repository_id, 'str')
          query_parameters = {}
          if filename is not None:
              query_parameters['filename'] = self._serialize.query('filename', filename, 'str')
          content = self._serialize.body(blob_ids, '[str]')
          response = self._send(http_method='POST',
                                location_id='7b28e929-2c99-405d-9c5c-6167a06e6816',
                                version='5.1-preview.1',
                                route_values=route_values,
                                query_parameters=query_parameters,
                                content=content,
                                accept_media_type='application/zip')
          if "callback" in kwargs:
              callback = kwargs["callback"]
          else:
              callback = None
          return self._client.stream_download(response, callback=callback)
docs: GetBlobsZip.
          [Preview API] Gets one or more blobs in a zip file download.
          :param [str] blob_ids: Blob IDs (SHA1 hashes) to be returned in the zip file.
          :param str repository_id: The name or ID of the repository.
          :param str project: Project ID or project name
          :param str filename:
          :rtype: object