provider.beforeStopping(stopAction)

        when:
        buildFinished()

        then:
        1 * stopAction.accept(provider)
    }

    def "service may be created by the stop action"() {
        given:
        def provider = registerService("service", ServiceImpl)
        provider.beforeStopping { provider.get() }

        when:
        buildFinished()

     * <p>
     * The service will only be stopped after completing all registered callbacks.
     *
     * @param stopAction the callback
     */
    public void beforeStopping(Consumer<? super RegisteredBuildServiceProvider<T, P>> stopAction) {
        synchronized (instanceLock) {
            stopActions = stopActions.plus(stopAction);
        }
    }

    @Override

        if (listenerProvider instanceof RegisteredBuildServiceProvider<?, ?>) {
            RegisteredBuildServiceProvider<?, ?> serviceProvider = Cast.uncheckedCast(listenerProvider);
            serviceProvider.beforeStopping(this::unsubscribeProvider);
            serviceProvider.keepAlive();
        }
    }

    private void unsubscribeProvider(Provider<?> listenerProvider) {