Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.ServiceModel/System/ServiceModel/Channels/IReplyChannel.cs

@@ -0,0 +1,27 @@
+//----------------------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//----------------------------------------------------------------------------
+namespace System.ServiceModel.Channels
+{
+    using System;
+    using System.ServiceModel;
+
+    public interface IReplyChannel : IChannel
+    {
+        EndpointAddress LocalAddress { get; }
+
+        RequestContext ReceiveRequest();
+        RequestContext ReceiveRequest(TimeSpan timeout);
+        IAsyncResult BeginReceiveRequest(AsyncCallback callback, object state);
+        IAsyncResult BeginReceiveRequest(TimeSpan timeout, AsyncCallback callback, object state);
+        RequestContext EndReceiveRequest(IAsyncResult result);
+
+        bool TryReceiveRequest(TimeSpan timeout, out RequestContext context);
+        IAsyncResult BeginTryReceiveRequest(TimeSpan timeout, AsyncCallback callback, object state);
+        bool EndTryReceiveRequest(IAsyncResult result, out RequestContext context);
+
+        bool WaitForRequest(TimeSpan timeout);
+        IAsyncResult BeginWaitForRequest(TimeSpan timeout, AsyncCallback callback, object state);
+        bool EndWaitForRequest(IAsyncResult result);
+    }
+}