func (connector *SIRIStopMonitoringSubscriptionCollector) RequestStopAreaUpdate(request *StopAreaUpdateRequest) {
    stopArea, ok := connector.partner.Model().StopAreas().Find(request.StopAreaId())
    if !ok {
        logger.Log.Debugf("StopAreaUpdateRequest in StopMonitoring SubscriptionCollector for unknown StopArea %v", request.StopAreaId())
        return