-- | Mask that identifies which fields to update. If not set, all modifiable
-- fields will be modified. When set in a query parameter, this field
-- should be specified as updateMask=,,...
duUpdateMask :: Lens' DevicesUpdate (Maybe Text)
duUpdateMask
  = lens _duUpdateMask (\ s a -> s{_duUpdateMask = a})
duUpdateMask :: Lens' DevicesUpdate (Maybe Text)
duUpdateMask
  = lens _duUpdateMask (\ s a -> s{_duUpdateMask = a})
duUpdateMask
  = lens _duUpdateMask (\ s a -> s{_duUpdateMask = a})