code: public function getPreview(MediaInterface $media, array $options = null)
      {
          $self_options = array('html' => array('class' => array(self::NAME)));
  
          if (is_array($options)) {
              $options = array_merge_recursive($options, $self_options);
          } else {
              $options = $self_options;
          }
  
          $name = $this->getMediaName();
  
          if (!$name) {
              $name = basename($media->getMediaTypeReference());
          }
  
          $html = '<a href="/media/'.$media->getMediaTypeReference().'" target="_blank" class="'.implode(' ', $options['html']['class']).'" >'.$name.'</a>';
  
          return $html;
      }
docs: @param MediaInterface $media
  @param array|null     $options
  
  @return string