public function before()
 {
     if (!class_exists('\\Parsedown')) {
         throw new Exception('Markdown parser not found. Live documentation will not work in your environment.');
     }
     parent::before();
 }
 public function before()
 {
     parent::before();
     $this->collection = $this->getCollection();
     $this->sectionPrefix = $this->getSectionPrefix();
 }