/**
  * @param FieldDescriptionInterface $fieldDescription
  * @param \Twig_TemplateInterface   $template
  * @param array                     $parameters
  *
  * @return string
  */
 public function output(FieldDescriptionInterface $fieldDescription, \Twig_TemplateInterface $template, array $parameters = array())
 {
     $content = $template->render($parameters);
     if ($this->environment->isDebug()) {
         return sprintf("\n<!-- START  \n  fieldName: %s\n  template: %s\n  compiled template: %s\n -->\n%s\n<!-- END - fieldName: %s -->", $fieldDescription->getFieldName(), $fieldDescription->getTemplate(), $template->getTemplateName(), $content, $fieldDescription->getFieldName());
     }
     return $content;
 }