-- | The instance\'s hostname.
riHostname :: Lens' RegisterInstance (Maybe Text)
riHostname = lens _riHostname (\ s a -> s{_riHostname = a})
riHostname :: Lens' RegisterInstance (Maybe Text)
riHostname = lens _riHostname (\ s a -> s{_riHostname = a})
riHostname = lens _riHostname (\ s a -> s{_riHostname = a})