public function __construct(\SimpleXMLElement $xml = null)
 {
     parent::__construct($xml);
     if (is_null($xml)) {
         return;
     }
     if (count($xml->groupTypeEq)) {
         $this->groupTypeEq = (int) $xml->groupTypeEq;
     }
     $this->groupTypeIn = (string) $xml->groupTypeIn;
     $this->partnerPermissionsExist = (string) $xml->partnerPermissionsExist;
 }