this.dataBroker = dataBroker;
this.rpcProviderService = rpcProviderService;
this.notificationService = notificationService;
this.frequenciesService = frequenciesService;
this.listeners = new ArrayList<>();
this.dataBroker = dataBroker;
this.rpcProviderService = rpcProviderService;
this.notificationService = notificationService;
this.frequenciesService = frequenciesService;
this.listeners = new ArrayList<>();