--- a/epoc32/include/xmlengdataserializer.h	Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/xmlengdataserializer.h	Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,51 @@
-xmlengdataserializer.h
+/*
+* Copyright (c) 2006-2006 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
+* which accompanies this distribution, and is available
+* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:       Interface class describing class that may be used as
+*                serializer for binary data
+*
+*/
+
+
+
+
+
+
+
+#ifndef XMLENGINE_MDATASERIALIZER_H_INCLUDED
+#define XMLENGINE_MDATASERIALIZER_H_INCLUDED
+
+#include "xmlengnode.h"
+
+/**
+ * MXmlEngDataSerializer interface used by XML Engine to serialize binary data for example binary data
+ * stored in node, external memory chunk (RChunk) or file. This interface may be implemented by client application.
+ *
+ * @lib XmlEngineDOM.lib
+ * @since S60 v3.2
+ */
+class MXmlEngDataSerializer
+    {
+public:
+    /**
+     * Callback for serializing data
+     *
+     * @since S60 v3.1
+     * @param aNode is a node to serialize
+     * @return Replacement string for node data
+     */
+    virtual TPtrC8 SerializeDataL(TXmlEngNode aNode) = 0;
+    };
+
+
+#endif /* XMLENGINE_MDATASERIALIZER_H_INCLUDED */