@property
    def file_instructions(self):
        """Returns the list of dict(filename, take, skip)."""
        # `self.dataset_name` is assigned in `SplitDict.add()`.
        instructions = make_file_instructions(
            name=self.dataset_name,
            split_infos=[self],
            instruction=str(self.name),
        )
        return instructions.file_instructions