mailjet-8.x-2.7/modules/mailjet_campaign/src/Entity/CampaignViewsData.php

<?php

namespace Drupal\mailjet_campaign\Entity;

use Drupal\views\EntityViewsData;

/**
 * Provides views data for order items.
 */
class CampaignViewsData extends EntityViewsData
{

  /**
   * {@inheritdoc}
   */
    public function getViewsData()
    {
        $data = parent::getViewsData();

        return $data;
    }

}