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/*******************************************************************************
 * Copyright (c) 2000, 2005 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.jface.text.source;

/**
 * Extension interface for {@link ILineDiffer}.
 * <p>
 * Introduces the concept of suspending a differ. A <code>ILineDiffer</code> may
 * be suspended into a dormant state, and resumed to normal operation.
 * </p>
 *
 * @since 3.1
 */
public interface ILineDifferExtension {

	/**
	 * Suspends the receiver. All differences are cleared.
	 */
	void suspend();

	/**
	 * Resumes the receiver. Must only be called after suspend.
	 */
	void resume();
}