def delete(self, key: str, collection: str = DEFAULT_COLLECTION) -> bool:
        """
        Delete a value from the store.

        Args:
            key (str): key
            collection (str): collection name

        """
        primary_key = [("pk", key)]
        _, return_row = self._tablestore_client.delete_row(
            collection, primary_key, None
        )
        return True

        Delete a value from the store.

        Args:
            key (str): key
            collection (str): collection name

        
llama-index-integrations/storage/kvstore/llama-index-storage-kvstore-tablestore/llama_index/storage/kvstore/tablestore/base.py