// Copyright (c) 2008-2009 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:

// ${file_name}

// 

//

package com.symbian.smt.gui.smtwidgets;

public interface ValidModelObservable {

	/**

	 * Registers the provided listener as an interested party in

	 * ValidModelEvents.

	 * 

	 * @param listener

	 *            the ValidModelDefinedListener object to be registered with

	 *            this class.

	 */

	void addModelListener(ValidModelDefinedListener listener);

	/**

	 * Removes the provided listener from the list of registered listeners of

	 * ValidModelEvents.

	 * 

	 * @param listener

	 *            the ValidModelDefinedListener object to be unregistered.

	 */

	void removeModelListener(ValidModelDefinedListener listener);

}