private function findTraced($className = null)
    {
        $traces     = debug_backtrace();
        $reflection = new ReflectionClass($className);
        $filename   = $reflection->getFileName();
        $traced     = null;


        foreach ($traces as $trace) {
            if (isset($trace['file']) and $filename == $trace['file']) {
                $traced = $trace;
                break;
            }
        }
        return $traced;
    }