protected function doGetFileSyncUrl(FileSync $fileSync)
 {
     $url = parent::doGetFileSyncUrl($fileSync);
     $pattern = $this->getPattern();
     if (is_null($pattern)) {
         $pattern = '/hls-vod/{url}.m3u8';
     }
     return kDeliveryUtils::formatGenericUrl($url, $pattern, $this->params);
 }
 protected function doGetFileSyncUrl(FileSync $fileSync)
 {
     $url = parent::doGetFileSyncUrl($fileSync);
     $url .= VodPackagerDeliveryUtils::getExtraParams($this->params);
     return $url . '/index.m3u8';
 }