/**
  * @param string $templateFile template name (UpperCamelCase)
  * @param mixed  $data         variables to be passed to the Fluid view
  *
  * @return string
  */
 protected function getStandAloneTemplate($templateFile, $data)
 {
     /** @var \TYPO3\CMS\Fluid\View\StandaloneView $view */
     $view = $this->objectManager->get(\TYPO3\CMS\Fluid\View\StandaloneView::class);
     $templatePathAndFilename = $templateFile;
     $view->setTemplatePathAndFilename($templatePathAndFilename);
     $view->setControllerContext($this->controllerContext);
     $view->assign('data', $data);
     $view->setFormat('html');
     return \Ecom\EcomToolbox\Utility\Div::sanitize_output($view->render());
 }