Recca0120\LaravelTracy\LaravelTracyServiceProvider::registerDebugbar PHP Метод

    protected function registerDebugbar()
    {
        $this->app->singleton(Debugbar::class, function ($app) {
            $config = Arr::get($app['config'], 'tracy', []);
            if (Arr::get($config, 'useLaravelSession', false) === true) {
                $handler = $this->app['session']->driver()->getHandler();
                session_set_save_handler(new SessionHandlerWrapper($handler), true);
            }
            $debugbar = new Debugbar($config, $app['request'], $app);
            return $debugbar;
        });
    }