def _extract_keywords_from_node(self, node: BaseNode) -> Set[str]:
        """Determine the keywords associated with the node in the index."""
        keywords = self._extract_uuid_from_node(node)
        keywords |= self._extract_module_from_node(node)
        keywords |= self._extract_name_from_node(node)
        return keywords
Determine the keywords associated with the node in the index.
llama-index-packs/llama-index-packs-code-hierarchy/llama_index/packs/code_hierarchy/query_engine.py