def load_elasticsearch_index(
        self,
        index_name: str,
        es_index_name: str,
        host: Optional[str] = None,
        port: Optional[int] = None,
        es_client: Optional["Elasticsearch"] = None,
        es_index_config: Optional[dict] = None,
    ):
        """Load an existing text index using ElasticSearch for fast retrieval.