change.perform(new ChangeContext(new TestExceptionHandler()), fgNullProgressMonitor);
change.aboutToPerform(new ChangeContext(new TestExceptionHandler()), fgNullProgressMonitor); try { change.perform(new ChangeContext(new TestExceptionHandler()), fgNullProgressMonitor); } finally { change.performed(); }
	protected void performChange(IChange change) throws JavaModelException{		change.perform(new ChangeContext(new TestExceptionHandler()), fgNullProgressMonitor);	}