public ServiceManager()
 {
     this.importedServiceManager = new ImportedServiceManager();
     this.exportedServiceManager = new ExportedServiceManager();
     this.subscriptionManager = new SubscriptionManager(this.importedServiceManager);
 }
 public SubscriptionManager(ImportedServiceManager importedServiceManager)
 {
     this.serviceSubscriptions = new Dictionary<TypeTag, List<ServiceListenerBase>>();
     this.importedServiceManager = importedServiceManager;
 }