widget_engine-8.x-1.2/src/Controller/WidgetController.php

<?php

namespace Drupal\widget_engine\Controller;

use Drupal\Core\Controller\ControllerBase;
use Drupal\Core\DependencyInjection\ContainerInjectionInterface;

/**
 * Returns responses for Node routes.
 */
class WidgetController extends ControllerBase implements ContainerInjectionInterface {}