def __init__(self, features: Dict[Tuple[str, str, str], Feature]):
        r"""Initiate a basic feature store.


        Parameters
        ----------
        features : Dict[Tuple[str, str, str], Feature]
            The dict of features served by the feature store, in which the key
            is tuple of (domain, type_name, feature_name).

        Returns
        -------
        The feature stores.
        """
        super().__init__()
        self._features = features
Initiate a basic feature store.


        Parameters
        ----------
        features : Dict[Tuple[str, str, str], Feature]
            The dict of features served by the feature store, in which the key
            is tuple of (domain, type_name, feature_name).

        Returns
        -------
        The feature stores.
        
python/dgl/graphbolt/impl/basic_feature_store.py