docs: protected void cleanUpMenuTree(WebMenuItem root, String menuName){
  		List<WebMenuItem> subMenu = root.getSubMenu();
  		List<WebMenuItem> rootBreadcrumbs = root.getBreadcrumbs();
  		if (subMenu != null && subMenu.size() > 0){
  			Collections.sort(subMenu);
  			for (int i = 0; i < subMenu.size(); i++){
  				WebMenuItem item = subMenu.get(i);
  				if (item instanceof MenuItemExt){
  					MenuItemExt itemExt = (MenuItemExt)item;
  					item = itemExt.toWebMenuItem();
  					subMenu.set(i, item);
  					menuItemPaths.get(menuName).put(itemExt.path, item);
  				}
  				item.breadcrumbs = new ArrayList<WebMenuItem>();
  				if (rootBreadcrumbs != null){
  					item.breadcrumbs.addAll(rootBreadcrumbs);
  				}
  				item.breadcrumbs.add(item);
  				cleanUpMenuTree(item, menuName);
  			}
  		}
  	}