Laravel\Lumen\Application::registerQueueBindings PHP Method

    protected function registerQueueBindings()
    {
        $this->singleton('queue', function () {
            return $this->loadComponent('queue', 'Illuminate\\Queue\\QueueServiceProvider', 'queue');
        });
        $this->singleton('queue.connection', function () {
            return $this->loadComponent('queue', 'Illuminate\\Queue\\QueueServiceProvider', 'queue.connection');
        });
    }