protected function buildRouteCacheFile(RouteCollection $routes)
    {
        $stub = $this->files->get(
            realpath(
                __DIR__
                . DIRECTORY_SEPARATOR . '..'
                . DIRECTORY_SEPARATOR . '..'
                . DIRECTORY_SEPARATOR . '..'
                . DIRECTORY_SEPARATOR . 'stubs'
                . DIRECTORY_SEPARATOR . 'routes.stub'
            )
        );

        return str_replace(
            [
                '{{routes}}',
                '{{translatedRoutes}}',
            ],
            [
                base64_encode(serialize($routes)),
                $this->getLaravelLocalization()->getSerializedTranslatedRoutes(),
            ],
            $stub
        );
    }