message: [tf.data] deprecate experimental ThreadingOptions
diff: @@ -19,11 +19,13 @@ from __future__ import print_function
  from tensorflow.core.framework import dataset_options_pb2
  +from tensorflow.python.util import deprecation
  from tensorflow.python.data.util import options
  from tensorflow.python.util.tf_export import tf_export
  -@tf_export("data.experimental.ThreadingOptions")
  +@deprecation.deprecated("data.experimental.ThreadingOptions")
  +@tf_export("data.experimental.ThreadingOptions", "data.ThreadingOptions")
  class ThreadingOptions(options.OptionsBase):
  """Represents options for dataset threading.
  