protected function registerServices()
    {
        $this->app->singleton('redis-sentinel', function () {
            return VersionedManagerFactory::make($this->app, $this->config);
        });

        $this->app->singleton('redis-sentinel.manager', function ($app) {
            return $app->make('redis-sentinel')->getVersionedManager();
        });

        $this->app->alias('redis-sentinel', Factory::class);
    }