docs: @Nonnull
      public String getDescription() {
          Stapler stapler = Stapler.getCurrent();
          if (stapler != null) {
              try {
                  WebApp webapp = WebApp.getCurrent();
                  MetaClass meta = webapp.getMetaClass(this);
                  Script s = meta.loadTearOff(JellyClassTearOff.class).findScript("newInstanceDetail");
                  if (s == null) {
                      return "";
                  }
                  DefaultScriptInvoker dsi = new DefaultScriptInvoker();
                  StringWriter sw = new StringWriter();
                  XMLOutput xml = dsi.createXMLOutput(sw, true);
                  dsi.invokeScript(Stapler.getCurrentRequest(), Stapler.getCurrentResponse(), s, this, xml);
                  return sw.toString();
              } catch (Exception e) {
                  LOGGER.log(Level.WARNING, null, e);
                  return "";
              }
          } else {
              return "";
          }
      }