code: private static Component buildLabelWrapper(final ValoMenuItemButton menuItemButton,
              final Component notificationLabel) {
          final CssLayout dashboardWrapper = new CssLayout(menuItemButton);
          dashboardWrapper.addStyleName("labelwrapper");
          dashboardWrapper.addStyleName(ValoTheme.MENU_ITEM);
          notificationLabel.addStyleName(ValoTheme.MENU_BADGE);
          notificationLabel.setWidthUndefined();
          notificationLabel.setVisible(false);
          notificationLabel.setId(UIComponentIdProvider.NOTIFICATION_MENU_ID + menuItemButton.getCaption().toLowerCase());
          dashboardWrapper.addComponent(notificationLabel);
          return dashboardWrapper;
      }
docs: Creates the wrapper which contains the menu item and the adjacent label
  for displaying the occurred events
  
  @param menuItemButton
  the menu item
  @param notificationLabel
  the label for displaying the occurred events
  @return Component of type CssLayout