Overtrue\LaravelLang\TranslationServiceProvider::register PHP Метод

    public function register()
    {
        if ($this->app instanceof \Laravel\Lumen\Application) {
            $this->inLumen = true;
            $this->app->configure('app');
            unset($this->app->availableBindings['translator']);
        }
        parent::register();
        $this->registerCommands();
    }