private void disableMaintenanceMode(){
synchronized (maintenanceEnabled) {
    if (maintenanceEnabled.getAndSet(false)) {
      maintenanceFilter.disableMaintenanceMode();
    }
  }
}

private void disableMaintenanceMode ( ) { synchronized ( maintenanceEnabled ) { if ( maintenanceEnabled . getAndSet ( false ) ) { maintenanceFilter . disableMaintenanceMode ( ) ; } } }
disables maintenance mode by disabling the maintenance filter to enable modification by all endpoints .
