import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.Region;
import org.eclipse.jface.text.TextEvent;
-import org.eclipse.jface.text.TextUtilities;
-import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.SWT;