message: Expand the description of tf.autograph.experimental.Feature.
  Resolves
diff: @@ -88,7 +88,20 @@ from tensorflow.python.util.tf_export import tf_export
  @tf_export('autograph.experimental.Feature')
  class Feature(enum.Enum):
  - """Represents conversion options that can be toggled on or off.
  + """This enumeration represents optional conversion options.
  +
  + These conversion options are experimental. They are subject to change without
  + notice and offer no guarantees.
  +
  + _Example Usage_
  +
  + ```python
  + optionals= tf.autograph.experimental.Feature.EQUALITY_OPERATORS
  + @tf.function(experimental_autograph_options=optionals)
  + def f(i):
  + if i == 0: # EQUALITY_OPERATORS allows the use of == here.
  + tf.print('i is zero')
  + ```
  Attributes:
  ALL: Enable all features.
  