static void stopRefreshTimer() {
    try {
      if (refreshTimer != null && mbeanServer != null) {
        mbeanServer.unregisterMBean(refreshTimerObjectName);

        refreshTimer.stop();
      }
    } catch (JMException e) {
      logStackTrace(Level.WARN, e);
    } catch (JMRuntimeException e) {
      logStackTrace(Level.WARN, e);
    } catch (Exception e) {
      logStackTrace(Level.DEBUG, e, "Failed to stop refresh timer for MBeanUtil");
    }
  }
Initializes the timer for sending refresh notifications.
geode-core/src/main/java/org/apache/geode/admin/jmx/internal/MBeanUtils.java