async def _acollection_exists(self, collection_name: str) -> bool:
        """Asynchronous method to check if a collection exists."""
        return await self._aclient.collection_exists(collection_name)
Asynchronous method to check if a collection exists.
llama-index-integrations/vector_stores/llama-index-vector-stores-qdrant/llama_index/vector_stores/qdrant/base.py