private static void restoreScrolledCompositeOrigins(Shell shell) {
   WidgetTreeUtil.accept(shell, new RestoreScrolledCompositeOriginsVisitor());
 }
 private static void enlargeScrolledCompositeContent(Shell shell) {
   WidgetTreeUtil.accept(shell, new EnlargeScrolledCompositeContentVisitor());
 }
 private static void clearLayoutBuffers(Shell shell) {
   WidgetTreeUtil.accept(shell, new ClearLayoutBuffersVisitor());
 }
 private static void markLayoutNeeded(Shell shell) {
   WidgetTreeUtil.accept(shell, new MarkLayoutNeededVisitor());
 }
 private static void rePack(Shell shell) {
   WidgetTreeUtil.accept(shell, new RePackVisitor());
 }