func (smb *SMBroadcaster) handleMonitoredStopVisit(stopVisit *model.StopVisit, delivery *siri.SIRINotifyStopMonitoringDelivery, stopMonitoringBuilder *BroadcastStopMonitoringBuilder) bool {
    monitoredStopVisit := stopMonitoringBuilder.BuildMonitoredStopVisit(stopVisit)
    if monitoredStopVisit == nil {
        return false
    }