-- | JSONP
duCallback :: Lens' DevicesUpdate (Maybe Text)
duCallback
  = lens _duCallback (\ s a -> s{_duCallback = a})
duCallback :: Lens' DevicesUpdate (Maybe Text)
duCallback
  = lens _duCallback (\ s a -> s{_duCallback = a})
duCallback
  = lens _duCallback (\ s a -> s{_duCallback = a})