code: public function buildWidget(BuildWidgetEvent $event)
      {
          if (!$this->wantToHandle($event) || ($event->getProperty()->getName() !== 'jumpTo')) {
              return;
          }
  
          $model     = $event->getModel();
          $metaModel =
              $this->factory->getMetaModel($this->factory->translateIdToMetaModelName($model->getProperty('pid')));
  
          $extra = $event->getProperty()->getExtra();
  
          if ($metaModel->isTranslated()) {
              $arrLanguages = [];
              foreach ((array) $metaModel->getAvailableLanguages() as $strLangCode) {
                  $arrLanguages[$strLangCode] = $this->translator
                      ->trans('LNG.'. $strLangCode, [], 'contao_languages');
              }
              asort($arrLanguages);
  
              $extra['minCount'] = count($arrLanguages);
              $extra['maxCount'] = count($arrLanguages);
  
              $extra['columnFields']['langcode']['options'] = $arrLanguages;
          } else {
              $extra['minCount'] = 1;
              $extra['maxCount'] = 1;
  
              $extra['columnFields']['langcode']['options'] = [
                  'xx' => $this->translator
                      ->trans(
                          'tl_metamodel_rendersettings.jumpTo_allLanguages',
                          [],
                          'contao_tl_metamodel_rendersettings'
                      )
              ];
          }
  
          $extra['columnFields']['filter']['options'] = $this->getFilterSettings($model);
  
          $event->getProperty()->setExtra($extra);
      }
docs: Provide options for template selection.
  
  @param BuildWidgetEvent $event The event.
  
  @return void
  
  @SuppressWarnings(PHPMD.Superglobals)
  @SuppressWarnings(PHPMD.CamelCaseVariableName)