Bug 86135 Make use of new IResource#revertModificationStamp(long) API
org.eclipse.ltk.core.refactoring/src/org/eclipse/ltk/core/refactoring/TextFileChange.java
* 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.ltk.core.refactoring;
import org.eclipse.text.edits.UndoEdit;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.filebuffers.FileBuffers;
import org.eclipse.core.filebuffers.ITextFileBuffer;
import org.eclipse.core.filebuffers.ITextFileBufferManager;
import org.eclipse.jface.text.IDocument;
import org.eclipse.ltk.internal.core.refactoring.Assert;
import org.eclipse.ltk.internal.core.refactoring.BufferValidationState;
import org.eclipse.ltk.internal.core.refactoring.Changes;
import org.eclipse.ltk.internal.core.refactoring.ContentStamps;
/**
 * A special {@link TextChange} that operates on a <code>IFile</code>.
 * <p>
 * The class should be subclassed by clients which need to perform 
 * special operation when acquiring or releasing a document. 
 * </p>
 * @since 3.0 
 */
public class TextFileChange extends TextChange {