Bolt\Provider\ConfigServiceProvider::register PHP Method

    public function register(Application $app)
    {
        $app['config'] = $app->share(function ($app) {
            $config = new Config($app);
            $config->initialize();
            return $config;
        });
        $app['config.environment'] = $app->share(function ($app) {
            $appPath = $app['resources']->getPath('app');
            $viewPath = $app['resources']->getPath('view');
            $environment = new Environment($appPath, $viewPath, $app['cache'], $app['extend.action'], Bolt\Version::VERSION);
            return $environment;
        });
        $app['config.validator'] = $app->share(function ($app) {
            $validator = new ConfigValidator($app['controller.exception'], $app['config'], $app['resources']);
            return $validator;
        });
        $app['config.listener'] = $app->share(function ($app) {
            return new ConfigListener($app);
        });
        if (!isset($app['config.pre_boot'])) {
            $this->preBoot($app['resources']);
            $app['config.pre_boot'] = true;
        }
    }