async def aquery(
        self,
        query: VectorStoreQuery,
        sources: Optional[List[str]] = None,
        rank_profile: Optional[str] = None,
        vector_top_k: int = 10,
        **kwargs: Any,
    ) -> VectorStoreQueryResult:
        """
        Asynchronously query vector store.
        NOTE: this is not implemented for all vector stores. If not implemented,
        it will just call query synchronously.
        """
        logger.info("Async query not implemented. Will call query synchronously.")
        return self.query(
            query=query,
            sources=sources,
            rank_profile=rank_profile,
            vector_top_k=vector_top_k,
            **kwargs,
        )

        Asynchronously query vector store.
        NOTE: this is not implemented for all vector stores. If not implemented,
        it will just call query synchronously.
        
llama-index-integrations/vector_stores/llama-index-vector-stores-vespa/llama_index/vector_stores/vespa/base.py