QuickTabsController.php

<?php


/**
 * @file
 * Contains \Drupal\quicktabs\Controller\QuickTabs.
 */
namespace Drupal\quicktabs\Controller;

use Drupal\Core\Controller\ControllerBase;

/**
 * Class QuickTabs
 */
class QuickTabsController extends ControllerBase {
    
    /**
     * {@inheritdoc}
     */
    public function content() {
        $build = array(
            '#type' => 'markup',
        );
        return $build;
    }

}