diff -r 000000000000 -r 61fad867f68e imservices/imfeatureplugin/srcimdatamodel/imapiobjbase.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imservices/imfeatureplugin/srcimdatamodel/imapiobjbase.h	Wed Nov 03 09:32:20 2010 +0530
@@ -0,0 +1,59 @@
+/*
+* Copyright (c) 2007 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:  Base class for XIMP API implementations.
+*
+*/
+
+#ifndef IMAPIOBJBASE_H
+#define IMAPIOBJBASE_H
+
+
+/**
+ * IM plugin class implementation UIDs.
+ *
+ * These do not have to be "real" Symbian UIDs, but such ID's,
+ * that they do not overlap with XIMP or IM Plugin API interface IDs.
+ */
+ 
+// 90xx - ximp related
+// 91xx - im related
+// 92xx - instant messaging related
+
+
+const TInt KArrayGranularity( 2 );
+
+// IM plugin events
+#define IMIMP_CLSID_CPROTOCOLIMCONVERSATIONDATAHOST     9200
+
+// Im datamodel classes
+#define IMIMP_CLSID_CIMDATACACHE                		9210
+#define IMIMP_CLSID_CIMCONVERSATIONINFOIMP				9211
+#define IMIMP_CLSID_CIMCONVERSATIONEVENTIMP				9212
+#define IMIMP_CLSID_CIMOBJECTFACTORYIMP					9213
+#define IMIMP_CLSID_CIMOPERATIONFACTORYIMP				9214
+// Im plugin host environment classes
+#define IMIMP_CLSID_CPROTOCOLIMDATAHOSTIMP				9230
+
+
+// IM Management classes
+
+#define IMIMP_CLSID_CIMSEARCHIMP    	        		9240
+#define IMIMP_CLSID_CONVERSATIONIMP            			9241
+#define IMIMP_CLSID_CIMGROUPSIMP						9242
+#define IMIMP_CLSID_CIMINVITATIONIMP					9243
+#define IMIMP_CLSID_CIMFEATURESIMP						9244
+
+
+
+#endif // IMAPIOBJBASE_H