diff -r 000000000000 -r dfb7c4ff071f datacommsserver/esockserver/inc/es_parameterset.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/datacommsserver/esockserver/inc/es_parameterset.h	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,61 @@
+// Copyright (c) 2007-2009 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:
+// Generic parameter set base classes.
+// XParameterSetBase exists to support interworking with old CSubConParameterSet classes.
+// XParameterSet has richer functionality so should be used for all new applications of Parameter Sets.
+// 
+//
+
+/**
+ @file
+ @internalTechnology
+*/
+
+#ifndef __ES_PARAMETERSET_H
+#define __ES_PARAMETERSET_H
+
+#include <comms-infras/metadata.h>
+
+class XParameterSetBase : public Meta::SMetaDataECom
+	{
+	};
+
+
+const TInt KParameterSetTypeUid = 0x10272F44;
+
+class XParameterSet : public XParameterSetBase
+	{
+public:
+	IMPORT_C virtual ~XParameterSet();
+
+	// Updates this parameter set with new information. The interpretation and 
+	//  importance of new information may depend on type-specific interpretation
+	//  of the fields in the object (e.g. a field somehow marked "unknown" in the new
+	//  set should not be copied to this set, or some kind of lock on a
+	//  field in this set should prevent that field being copied from the
+	//  new set).
+	//
+	// This base implementation asserts, so as to force the consideration of this
+	//  function for derived types.
+	IMPORT_C virtual void UpdateWithL(const XParameterSet& aRhsBase);
+	IMPORT_C virtual TInt AppendPrintableTo(TDes& aDestination) const;
+	IMPORT_C virtual TInt _extension(TUid aExtensionId, TAny*& aReturnedExtension);
+
+protected:
+    // It's necessary to expose the typeid table to child classes so they can refer to it in their attribute tables (so IsTypeOf() works)
+	EXPORT_TYPEID_TABLE
+	};
+
+#endif // __ES_PARAMETERSET_H
+