Akka.MultiNodeTestRunner.Shared.Sinks.MessageSink.Close C# (CSharp) Метод

        public async Task<bool> Close(ActorSystem context)
        {
            //Test run has already been closed or hasn't started
            if (!IsOpen || IsClosed) return await Task.FromResult(false);

            IsOpen = false;
            IsClosed = true;

            //Signal that the test run has ended
            return await MessageSinkActorRef.Ask<MessageSinkActor.SinkCanBeTerminated>(new EndTestRun())
                .ContinueWith(tr => MessageSinkActorRef.GracefulStop(TimeSpan.FromSeconds(2)), 
                TaskContinuationOptions.ExecuteSynchronously).Unwrap();
        }