let behaviorRelay = BehaviorRelay(value: "Initial value")
    let disposeBag = DisposeBag()

    behaviorRelay.subscribe{
        print(label: "1)", event: $0)
    }
    .disposed(by: disposeBag)

    behaviorRelay.accept("no way")

    behaviorRelay.subscribe{
        print(label: "2)", event: $0)
    }
    .disposed(by: disposeBag)

    print(behaviorRelay.value)