DeepchecksCallbackHandler.on_retriever_start# DeepchecksCallbackHandler.on_retriever_start(serialized: Dict[str, Any], query: str, *, run_id: UUID, parent_run_id: UUID | None = None, tags: List[str] | None = None, metadata: Dict[str, Any] | None = None, **kwargs: Any) → Any# Run when Retriever starts running.
