private function convertExtracted2CamelCase($extractedList)
 {
     $res = [];
     foreach ($extractedList as $extractedObject) {
         $converted = [];
         foreach ($extractedObject as $key => $value) {
             $converted[StringUtil::underscore2Camel($key)] = $value;
         }
         $res[] = $converted;
     }
     return $res;
 }