docs: public OfflineSettings getOfflineSettings() throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
          OfflineSettings request = new OfflineSettings();
          request.setType(IQ.Type.get);
          request.setTo(workgroupJID);
  
          return connection.createStanzaCollectorAndSend(request).nextResultOrThrow();
      }