public function thumbnailAdapterCheckAction()
{
$instance = \Pimcore\Image::getInstance();
if ($instance instanceof \Pimcore\Image\Adapter\GD) {
echo '<span style="color: red; font-weight: bold;padding: 10px;margin:0 0 20px 0;border:1px solid red;display:block;">' . $this->view->translate("important_use_imagick_pecl_extensions_for_best_results_gd_is_just_a_fallback_with_less_quality") . '</span>';
}
exit;
}