from typing import List from langchain.embeddings.base import Embeddings from langchain.schema import Document class BaseVSCService: def do_create_kb(self): pass def do_drop_kb(self): pass def do_add_doc(self, docs: List[Document], embeddings: Embeddings): pass def do_clear_vs(self): pass def vs_type(self) -> str: return "default" def do_init(self): pass def do_search(self): pass def do_insert_multi_knowledge(self): pass def do_insert_one_knowledge(self): pass def do_delete_doc(self): pass