public function import(\SimpleXMLElement $sx)
 {
     if (isset($sx->workflows)) {
         foreach ($sx->workflows->workflow as $wf) {
             $pkg = static::getPackageObject($wf['package']);
             $workflow = Workflow::getByName((string) $wf['name']);
             if (!is_object($workflow)) {
                 $type = Type::getByHandle((string) $wf['type']);
                 if (is_object($type)) {
                     Workflow::add($type, (string) $wf['name'], $pkg);
                 }
             }
         }
     }
 }