code: boolean containsInstallOrOpen() {
          synchronized (reqQueueLockObject) {
              for (ServerRequest req : queue) {
                  if (req != null &&
                          ((req instanceof ServerRequestRegisterInstall) || req instanceof ServerRequestRegisterOpen)) {
                      return true;
                  }
              }
          }
          return false;
      }
docs: <p>Determines whether the queue contains an install/register request.</p>
  
  @return A {@link Boolean} value indicating whether or not the queue contains an
  install/register request. <i>True</i> if the queue contains a close request,
  <i>False</i> if not.