/**
  * Checks if the Security token is allowed to delete a specific Comment.
  *
  * @param  CommentInterface $comment
  * @return boolean
  */
 public function canDelete(CommentInterface $comment)
 {
     if ($comment instanceof SignedCommentInterface) {
         if ($comment->getAuthor() == $this->securityContext->getToken()->getUser() || $this->securityContext->getToken()->getUser()->isVp()) {
             return true;
         }
     }
     return parent::canDelete($comment);
 }