parameters: (self, parent_message, field)
docstring: Args:
        parent_message: The message whose _Modified() method we should call when
          we receive Modified() messages.
        field: The descriptor of the field being set in the parent message.
docstring_summary: Args:
        parent_message: The message whose _Modified() method we should call when
          we receive Modified() messages.
        field: The descriptor of the field being set in the parent message.
docstring_tokens: Args : parent_message : The message whose _Modified () method we should call when we receive Modified () messages . field : The descriptor of the field being set in the parent message .
function: def __init__(self, parent_message, field):
      """Args:
        parent_message: The message whose _Modified() method we should call when
          we receive Modified() messages.
        field: The descriptor of the field being set in the parent message.
      """
      super(_OneofListener, self).__init__(parent_message)
      self._field = field
function_tokens: def __init__ ( self , parent_message , field ) : super ( _OneofListener , self ) . __init__ ( parent_message ) self . _field = field