diff -r 000000000000 -r c9bc50fca66e usbmgmt/usbmgr/device/classdrivers/acm/classimplementation/ecacm/inc/ReadObserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbmgmt/usbmgr/device/classdrivers/acm/classimplementation/ecacm/inc/ReadObserver.h	Tue Feb 02 02:02:59 2010 +0200
@@ -0,0 +1,33 @@
+/*
+* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#ifndef __READOBSERVER_H__
+#define __READOBSERVER_H__
+
+#include <e32std.h>
+
+class MReadObserver
+/** 
+ * An interface for notification of read completions.
+ */
+	{
+public:
+	virtual void ReadCompleted(TInt aError) = 0;
+	};
+
+
+#endif // __READOBSERVER_H__