embedding,
            k,
            filter=filter,
            fetch_k=fetch_k,
            **kwargs,
        )
        return [doc for doc, _ in docs_and_scores]
[docs]    def similarity_search(
        self,
        query: str,
        k: int = 4,
        filter: Optional[Dict[str, Any]] = None,
        fetch_k: int = 20,
        **kwargs: Any,
    ) -> List[Document]:
        """Return docs most similar to query.
        Args:
            query: Text to look up documents similar to.
            k: Number of Documents to return. Defaults to 4.
            filter: (Optional[Dict[str, str]]): Filter by metadata. Defaults to None.
            fetch_k: (Optional[int]) Number of Documents to fetch before filtering.
                      Defaults to 20.
        Returns:
            List of Documents most similar to the query.
        """
        docs_and_scores = self.similarity_search_with_score(
            query, k, filter=filter, fetch_k=fetch_k, **kwargs
        )
        return [doc for doc, _ in docs_and_scores]
    @classmethod
    def __from(
        cls,
        texts: List[str],
        embeddings: List[List[float]],
        embedding: Embeddings,
        metadatas: Optional[List[dict]] = None,
        ids: Optional[List[str]] = None,
        normalize_L2: bool = False,
        **kwargs: Any,
    ) -> ScaNN:
        scann = dependable_scann_import()
        distance_strategy = kwargs.get(
            "distance_strategy", DistanceStrategy.EUCLIDEAN_DISTANCE
        )
        scann_config = kwargs.get("scann_config", None)