code: def _file_name_prefix_for_metadata(
      feature_name: str, data_dir
  ) -> str:
      return os.path.join(data_dir, f"{feature_name}.text")
  
imports: import html
  import os
  import textwrap
  from typing import Union
  from absl import logging
  from etils import epath
  import numpy
  from tensorflow_datasets.core.deprecated import text
  from tensorflow_datasets.core.features import feature
  from tensorflow_datasets.core.features import tensor_feature
  from tensorflow_datasets.core.proto import feature_pb2
  from tensorflow_datasets.core.utils import type_utils
label_desc: Use image node_id 1 for calling a global function with example usage: _file_name_prefix_for_metadata(feature_name, data_dir) and returns: os