ut_features` not set: `out_indices` and `out_features` are set to the last stage.
        - `out_indices` and `out_features` set: they are verified to be aligned.

    Args:
        out_features (`List[str]`): The names of the features for the backbone to output.
        out_indices (`List[int]` or `Tuple[int]`): The indices of the features for the backbone to output.
        stage_names (`List[str]`): The names of the stages of the backbone.
    r#