@Override
  public void refreshConfig() throws org.apache.geode.admin.AdminException {
    // 1st call to refreshConfig would trigger
    // the auto-refresh if an interval is set
    if (refreshInterval > 0) {
      _setRefreshInterval(refreshInterval);
    }

    super.refreshConfig();
  }
Sets interval in seconds between member config refreshes; zero or less turns off auto
refreshing. Manual refreshing has no effect on when the next scheduled refresh will occur.

@param refreshInterval the new refresh interval in seconds
geode-core/src/main/java/org/apache/geode/admin/jmx/internal/SystemMemberJmxImpl.java