diff -r 000000000000 -r ba25891c3a9e ncdengine/inc/ncdkeyvaluepair.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/inc/ncdkeyvaluepair.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,77 @@
+/*
+* Copyright (c) 2006 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:   Definition of key-value pair interface and implementation class
+*
+*/
+
+
+#ifndef NCD_KEY_VALUE_PAIR_H
+#define NCD_KEY_VALUE_PAIR_H
+
+#include <e32base.h>
+
+/**
+ *  An interface for accessing a key - value pair object.
+ *
+ *  
+ */
+class MNcdKeyValuePair
+    {
+public:
+    
+    /**
+     * Returns the key of the pair.
+     * 
+     * 
+     * @return Key of the pair.
+     */
+    virtual const TDesC& Key() const = 0;
+
+    /**
+     * Returns the value of the pair.
+     * 
+     * 
+     * @return Value of the pair.
+     */
+    virtual const TDesC& Value() const = 0;
+    
+#if 0    
+    /**
+     * Externalizes the pair to a stream
+     *
+     * @param aStream Target stream
+     */
+    virtual void ExternalizeL( RWriteStream& aStream ) const = 0;
+    
+    
+    /**
+     * Externalizes the pair to a descriptor
+     *
+     * @return Descriptor containing the pair
+     */
+    virtual HBufC8* ExternalizeLC() const = 0;
+    
+    
+    /**
+     * Internalizes the pair from a stream
+     *
+     * @param aStream Source stream
+     */
+    virtual void InternalizeL( RReadStream& aStream ) = 0;
+
+#endif
+
+    };
+
+#endif // NCD_KEY_VALUE_PAIR_H