def _post_processing_resources(self, split: str) -> Dict[str, str]:
        """Mapping resource_name -> resource_file_name"""
        return {}

    def _download_post_processing_resources(
        self, split: str, resource_name: str, dl_manager: DownloadManager
    ) -> Optional[str]:
        """Download the resource using the download manager and return the downloaded path."""
        return None

    @abc.abstractmethod
    def _split_generators(self, dl_manager: Union[DownloadManager, StreamingDownloadManager]):
        """Specify feature dictionary generators and dataset splits.

        This function returns a list of `SplitGenerator`s defining how to generate
        data and what splits to use.

        Example: