Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.ServiceModel/System/ServiceModel/ICommunicationObject.cs

@@ -0,0 +1,31 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//-----------------------------------------------------------------------------
+
+namespace System.ServiceModel
+{
+    public interface ICommunicationObject
+    {
+        CommunicationState State { get; }
+
+        event EventHandler Closed;
+        event EventHandler Closing;
+        event EventHandler Faulted;
+        event EventHandler Opened;
+        event EventHandler Opening;
+
+        void Abort();
+
+        void Close();
+        void Close(TimeSpan timeout);
+        IAsyncResult BeginClose(AsyncCallback callback, object state);
+        IAsyncResult BeginClose(TimeSpan timeout, AsyncCallback callback, object state);
+        void EndClose(IAsyncResult result);
+
+        void Open();
+        void Open(TimeSpan timeout);
+        IAsyncResult BeginOpen(AsyncCallback callback, object state);
+        IAsyncResult BeginOpen(TimeSpan timeout, AsyncCallback callback, object state);
+        void EndOpen(IAsyncResult result);
+    }
+}