code: def _split_generators(self, dl_manager):
      
      cifar_path = dl_manager.download_and_extract(self._cifar_info.url)
      cifar_info = self._cifar_info
  
      cifar_path = os.path.join(cifar_path, cifar_info.prefix)
  
      # Load the label names
      for label_key, label_file in zip(cifar_info.label_keys,
                                       cifar_info.label_files):
        labels_path = os.path.join(cifar_path, label_file)
        with tf.io.gfile.GFile(labels_path) as label_f:
          label_names = [name for name in label_f.read().split("\n") if name]
        self.info.features[label_key].names = label_names
  
      # Define the splits
      def gen_filenames(filenames):
        for f in filenames:
          yield os.path.join(cifar_path, f)
  
      return [
          tfds.core.SplitGenerator(
              name=tfds.Split.TRAIN,
              num_shards=10,
              gen_kwargs={"filepaths": gen_filenames(cifar_info.train_files)}),
          tfds.core.SplitGenerator(
              name=tfds.Split.TEST,
              num_shards=1,
              gen_kwargs={"filepaths": gen_filenames(cifar_info.test_files)}),
      ]
docs: Returns SplitGenerators.