Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/class/System.ServiceModel.Routing/System.ServiceModel.Routing/IDuplexSessionRouter.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.ServiceModel;
+using System.ServiceModel.Channels;
+using System.ServiceModel.Description;
+using System.ServiceModel.Dispatcher;
+
+namespace System.ServiceModel.Routing
+{
+	// I guess there should be [ServiceContract] here.
+	[ServiceContract (Namespace = "http://schemas.microsoft.com/netfx/2009/05/routing", SessionMode = SessionMode.Required)]
+	public interface IDuplexSessionRouter
+	{
+		[OperationContract (AsyncPattern = true, IsOneWay = true, Action = "*")]
+		IAsyncResult BeginProcessMessage (Message message, AsyncCallback callback, object state);
+
+		void EndProcessMessage (IAsyncResult result);
+	}
+}