code: int configUpdateCompleted(String notificationName) {
          int retVal;
  
          configUpdatePendingQueueLock.writeLock().lock();
          try {
              retVal = configUpdatesInProgress;
              configUpdatesInProgress--;
  
              if (!deactivated && configUpdatesInProgress == 0) {
                  executor.submit(processConfigUpdateQueue);
              }
          } finally {
              configUpdatePendingQueueLock.writeLock().unlock();
          }
          return retVal;
      }
docs: Update our awareness to the update and perform any deferred actions.
  Note: if we're going to do anything significant we should get off of the notification
  thread.
  
  @param notificationName name of associated Notification
  
  @return previous number of Configuration updates that we are monitoring.