@Override
 public Object[] getElements(Object inputElement) {
   if (inputElement instanceof BootDashElement) {
     BootDashElement el = (BootDashElement) inputElement;
     List<RequestMapping> elements = el.getLiveRequestMappings();
     if (elements != null) {
       return elements.toArray();
     } else {
       // null means we couldn't determine the request mappings.
       return new Object[] {
         "'" + el.getName() + "' must be running...",
         "and the actuator 'mappings' ...",
         "endpoint must be enabled ...",
         "to obtain request mappings.",
       };
     }
   }
   return NO_ELEMENTS;
 }