class_docstr: `FeatureConnector` for integer class labels.
code: def get_names_filepath(
      cls, data_dir, feature_name: str
  ) -> epath.Path:
      return epath.Path(data_dir) / f"{feature_name}.labels.txt"
  
imports: from typing import Optional, Union
  from etils import epath
  import numpy
  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 14 for calling the ClassLabel obj's underlying member method code with example usage: obj.get_names_filepath(cls, data_dir, feature_name) and returns: unknown