docs: public static FormElement generateHiddenForm(
          String action,
          Method method,
          String target,
          Map<String, String> values) {
  
          FormElement formElement = Document.get().createFormElement();
          formElement.setMethod(method.name());
          if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(target)) {
              formElement.setTarget(target);
          }
          formElement.setAction(action);
          for (Entry<String, String> input : values.entrySet()) {
              formElement.appendChild(createHiddenInput(input.getKey(), input.getValue()));
          }
          return formElement;
      }