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/*******************************************************************************
* Copyright (c) 2000, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.compare;
/**
* Interface common to all objects that provide a means for registering
* for content change notification.
* <p>
* Clients may implement this interface.
* </p>
*
* @see IContentChangeListener
*/
public interface IContentChangeNotifier {
/**
* Adds a content change listener to this notifier.
* Has no effect if an identical listener is already registered.
*
* @param listener a content changed listener
*/
void addContentChangeListener(IContentChangeListener listener);
/**
* Removes the given content changed listener from this notifier.
* Has no effect if the listener is not registered.
*
* @param listener a content changed listener
*/
void removeContentChangeListener(IContentChangeListener listener);
}
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