def get_data_frame_transform_stats(self, transform_id=None, params=None):
        """
        `<https://www.elastic.co/guide/en/elasticsearch/reference/current/get-data-frame-transform-stats.html>`_

        :arg transform_id: The id of the transform for which to get stats.
            '_all' or '*' implies all transforms
        """
        return self.transport.perform_request(
            "GET",
            _make_path("_data_frame", "transforms", transform_id, "_stats"),
            params=params,
        )