cloud-8.x-2.0-beta1/src/Form/CloudConfigDeleteForm.php

<?php

namespace Drupal\cloud\Form;

use Drupal\cloud\Entity\CloudConfig;
use Drupal\Core\Entity\ContentEntityDeleteForm;
use Drupal\Core\Form\FormStateInterface;

/**
 * Provides a form for deleting cloud service provider (CloudConfig) entities.
 *
 * @ingroup cloud
 */
class CloudConfigDeleteForm extends ContentEntityDeleteForm {

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {

    parent::submitForm($form, $form_state);

    // Clear block and menu cache.
    CloudConfig::updateCache();
  }

}