def _get_eval_kwargs(
        self, eval_kwargs_lists: Dict[str, Any], idx: int
    ) -> Dict[str, Any]:
        """
        Get eval kwargs from eval_kwargs_lists at a given idx.

        Since eval_kwargs_lists is a dict of lists, we need to get the
        value at idx for each key.

        """
        return {k: v[idx] for k, v in eval_kwargs_lists.items()}

        Get eval kwargs from eval_kwargs_lists at a given idx.

        Since eval_kwargs_lists is a dict of lists, we need to get the
        value at idx for each key.

        
llama-index-core/llama_index/core/evaluation/batch_runner.py