// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information. using System; using System.Reactive; using System.Reactive.Concurrency; using System.Reactive.Disposables; using System.Reactive.Linq; using System.Reactive.Subjects; using System.Threading; #if !NO_TPL using System.Threading.Tasks; #endif namespace Playground { class Program { static void Main() { } } }