def _is_databricks_managed_embeddings(self) -> bool:
        """Return True if the embeddings are managed by Databricks Vector Search."""
        return (
            self._is_delta_sync_index()
            and self._embedding_source_column_name() is not None
        )
Return True if the embeddings are managed by Databricks Vector Search.
llama-index-integrations/vector_stores/llama-index-vector-stores-databricks/llama_index/vector_stores/databricks/base.py