@sabinmarcu/observableInterfacesIObservableSetOn this pageIObservableSet <T>HierarchyObservable<Set<T>>Set<T>IObservableSetIndex PropertiesfiltermapsubscribeAccessorsvalueProperties filterfilter: ObservableFilterFunction<Set<T>>mapmap: ObservableMapFunction<Set<T>>subscribesubscribe: (observer: Observer<undefined | Set<T>>) => SubscriptionType declaration(observer: Observer<undefined | Set<T>>): SubscriptionParametersobserver: Observer<undefined | Set<T>>Returns SubscriptionAccessors valueget value(): undefined | TReturns undefined | T