setMessage("No updates are possible for any of the supertypes", DialogPage.INFORMATION);
setMessage("No updates are possible for any of the supertypes", IMessageProvider.INFORMATION);
		private void updateUpdateLabels() {			IType selectedType= getSelectedSupertype();			IChange change= getRefactoringWizard().getChange();			if (change instanceof ICompositeChange){				fFileCount.put(selectedType, new Integer(((ICompositeChange)change).getChildren().length));			}			fTableViewer.refresh();			if (noSupertypeCanBeUsed()){				setMessage("No updates are possible for any of the supertypes", DialogPage.INFORMATION);				setPageComplete(false);				}		}