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/**
 * Copyright (c) 2002-2006 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 - Initial API and implementation
 */
package org.eclipse.emf.common.util;


import java.util.Iterator;


/**
 * A mechanism for iterating over all the nodes of a tree;
 * it provides the capability to {@link #prune prune} the iteration so that all descendants of a particular node are skipped.
 */
public interface TreeIterator extends Iterator
{
  /**
   * Prunes the iterator so that it skips over all the nodes below the most recent result of calling {@link #next() next()}.
   */
  void prune();
}