class_docstr: A named tuple to indicate why a feature is needed for struct2tensor.
code: def __new__(cls, comment: Text):
      return super(ReasonFeatureNeeded, cls).__new__(
          cls, comment=comment
      )
  
file_path: data-validation/tensorflow_data_validation/api/validation_options.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from typing import List, Optional, Mapping, Text
  from tensorflow_data_validation.anomalies.proto import validation_config_pb2
  from tensorflow_data_validation.types import FeaturePath
  from tfx_bsl.types import tfx_namedtuple
label_desc: Use image node_id 1 for calling the ReasonFeatureNeeded obj's underlying member method code with example usage: obj.__new__(cls, comment) and returns: super