docs: protected FormLayout createAliasComponent(String alias, boolean red) {
  
          FormLayout layout = new FormLayout();
          TextField field = new TextField(CmsVaadinUtils.getMessageText(Messages.GUI_SITE_ALIAS_0));
          field.setWidth("100%");
          field.setValue(alias);
          field.setDescription(CmsVaadinUtils.getMessageText(Messages.GUI_SITE_ALIAS_HELP_0));
          CheckBox redirect = new CheckBox(CmsVaadinUtils.getMessageText(Messages.GUI_SITE_ALIAS_REDIRECT_0), red);
          redirect.setDescription(CmsVaadinUtils.getMessageText(Messages.GUI_SITE_ALIAS_REDIRECT_HELP_0));
          layout.addComponent(field);
          layout.addComponent(redirect);
          return layout;
      }