code: def _transformed_name(key):
      return key + "_xf"
  
imports: import datetime
  import os
  from typing import List
  from absl import logging
  import keras_tuner
  import tensorflow
  from tensorflow import keras
  import tensorflow_transform
  import tfx.v1
  from tfx_bsl.public import tfxio
  from tensorflow_cloud.core import machine_config
  from tensorflow_cloud.tuner import tuner
  from tensorflow_metadata.proto.v0 import schema_pb2
label_desc: Use image node_id 1 for calling a global function with example usage: _transformed_name(key) and returns: unknown