docs: public void sendRoomTransfer(RoomTransfer.Type type, String invitee, String sessionID, String reason) throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
          final RoomTransfer transfer = new RoomTransfer(type, invitee, sessionID, reason);
          IQ iq = new RoomTransfer.RoomTransferIQ(transfer);
          iq.setType(IQ.Type.set);
          iq.setTo(workgroupJID);
          iq.setFrom(connection.getUser());
  
          connection.createStanzaCollectorAndSend(iq).nextResultOrThrow();
      }