Calculate maximal marginal relevance.
Call the synchronous method if the async method is not implemented.
This decorator should only be used for methods that are defined as async in the class.
Qdrant vector store.
from qdrant_client import QdrantClient
from langchain_qdrant import Qdrant
client = QdrantClient()
collection_name = "MyCollection"
qdrant = Qdrant(client, collection_name, embedding_function)