async def _apredict_example(
        self,
        predictor: LLM,
        example: BaseLlamaDataExample,
        sleep_time_in_seconds: int,
    ) -> BaseLlamaExamplePrediction:
        """Async predict RAG example with a query engine."""
        raise NotImplementedError("This method has not yet been implemented.")
Async predict RAG example with a query engine.
llama-index-core/llama_index/core/llama_dataset/simple.py