protected function DBCloneTracked_Internal($newKey = null)
 {
     $oNewObj = parent::DBCloneTracked_Internal($newKey);
     // Invoke extensions after insertion (the object must exist, have an id, etc.)
     foreach (MetaModel::EnumPlugins('iApplicationObjectExtension') as $oExtensionInstance) {
         $oExtensionInstance->OnDBInsert($oNewObj, self::GetCurrentChange());
     }
     return $oNewObj;
 }