code: private CmsSitemapHoverbar getHoverbar() {
  
          for (Widget w : getListItemWidget().getContentPanel()) {
              if (!(w instanceof CmsSitemapHoverbar)) {
                  continue;
              }
              return (CmsSitemapHoverbar)w;
          }
          return null;
      }
docs: Retrieves the hoverbar, can be <code>null</code> if not attached.<p>
  
  @return the hoverbar, or <code>null</code> if not attached