public function __construct(\SimpleXMLElement $xml = null)
 {
     parent::__construct($xml);
     if (is_null($xml)) {
         return;
     }
     if (count($xml->thumbParamsId)) {
         $this->thumbParamsId = (int) $xml->thumbParamsId;
     }
     $this->thumbParamsVersion = (string) $xml->thumbParamsVersion;
     $this->thumbAssetId = (string) $xml->thumbAssetId;
     $this->thumbAssetVersion = (string) $xml->thumbAssetVersion;
     if (count($xml->rotate)) {
         $this->rotate = (int) $xml->rotate;
     }
 }