Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.ServiceModel/System/ServiceModel/ComIntegration/IProxyProvider.cs

@@ -0,0 +1,25 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//-----------------------------------------------------------------------------
+namespace System.ServiceModel.ComIntegration
+{
+    using System;
+    using System.Runtime.InteropServices;
+    using Microsoft.Win32;
+    using System.Reflection;
+    using System.Collections.Generic;
+    using System.Threading;
+
+    [System.Security.SuppressUnmanagedCodeSecurity,
+     ComImport,
+     Guid("11281BB7-1253-45ef-B98F-D551F79499FD"),
+     InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
+    interface IProxyProvider
+    {
+        [PreserveSig]
+        int CreateOuterProxyInstance(IProxyManager proxyManager, [In()] ref Guid riid, out IntPtr ppv);
+        [PreserveSig]
+        int CreateDispatchProxyInstance(IntPtr outer, IPseudoDispatch proxy, out IntPtr ppvInner);
+    }
+
+}