public function onReflectSuccess($event)
    {
        $filename = $event['file']->getPathname();
        $appEvent = $this->stopwatch->stop($filename);
        $time     = $appEvent->getDuration();

        self::$logger->info(
            'AST built in {time} on file "{file}"',
            array('time' => Timer::toTimeString($time), 'file' => $filename)
        );
    }