App\Providers\RoutingServiceProvider::register PHP Method

    public function register()
    {
        $this->app->singleton(['xe.router' => RouteRepository::class], function ($app) {
            $repo = new DatabaseRouteRepository($app['config'], InstanceRoute::class);
            if (env('APP_DEBUG') != true) {
                $repo = new CacheDecorator($repo, new LaravelCache($app['cache.store']));
            }
            return new MemoryDecorator($repo);
        });
        $this->setNewRouteValidator();
        $this->registerMacro($this->app['router']);
        $this->registerRouteCollection($this->app['router']);
    }