def _parse_filters(self, filters: Optional[MetadataFilters]) -> List[dict]:
        """Parse MetadataFilters to equivalent OpenSearch expression."""
        if filters is None:
            return []
        return [self._parse_filters_recursively(filters=filters)]
Parse MetadataFilters to equivalent OpenSearch expression.
llama-index-integrations/vector_stores/llama-index-vector-stores-opensearch/llama_index/vector_stores/opensearch/base.py