protected function runHandlers($e)
    {
        /** @var \League\BooBoo\Handler\HandlerInterface $handler */
        foreach (array_reverse($this->handlerStack) as $handler) {
            $handledException = $handler->handle($e);
            if ($handledException instanceof \Exception) {
                $e = $handledException;
            }
        }

        return $e;
    }