async def METHOD_NAME(self, tileable_keys: List[str]) -> List[int]:
    """
    Get ref counts of tileables.
    Parameters
    ----------
    tileable_keys : list
        List of tileable keys.
    Returns
    -------
    ref_counts : list
        List of ref counts.
    """
    return await self._lifecycle_tracker_ref.METHOD_NAME(tileable_keys)