private void updateNumThreadStuckStatistic(int numOfStuck) {
    ResourceManagerStats stats = getResourceManagerStats();
    if (stats != null) {
      stats.setNumThreadStuck(numOfStuck);
    }
  }
@param threadId identifies the thread that may have a lock owner
@return the lock owner thread id or -1 if no lock owner
geode-core/src/main/java/org/apache/geode/internal/monitoring/ThreadsMonitoringProcess.java