code: public void destroy() throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
          MUCLightDestroyIQ mucLightDestroyIQ = new MUCLightDestroyIQ(room);
          IQ responseIq = connection.createStanzaCollectorAndSend(mucLightDestroyIQ).nextResultOrThrow();
          boolean roomDestroyed = responseIq.getType().equals(IQ.Type.result);
  
          if (roomDestroyed) {
              removeConnectionCallbacks();
          }
      }
docs: Destroy the MUC Light. Only will work if it is requested by the owner.
  
  @throws NoResponseException
  @throws XMPPErrorException
  @throws NotConnectedException
  @throws InterruptedException