ensureDestination example

  public function getDefaultOperations(EntityInterface $entity) {
    /** @var \Drupal\Core\Config\Entity\ConfigEntityInterface $entity */
    $operations = parent::getDefaultOperations($entity);

    if ($this->entityType->hasKey('status')) {
      if (!$entity->status() && $entity->hasLinkTemplate('enable')) {
        $operations['enable'] = [
          'title' => t('Enable'),
          'weight' => -10,
          'url' => $this->ensureDestination($entity->toUrl('enable')),
        ];
      }
      elseif ($entity->hasLinkTemplate('disable')) {
        $operations['disable'] = [
          'title' => t('Disable'),
          'weight' => 40,
          'url' => $this->ensureDestination($entity->toUrl('disable')),
        ];
      }
    }

    

  protected function getDefaultOperations(EntityInterface $entity) {
    $operations = [];
    if ($entity->access('update') && $entity->hasLinkTemplate('edit-form')) {
      $operations['edit'] = [
        'title' => $this->t('Edit'),
        'weight' => 10,
        'url' => $this->ensureDestination($entity->toUrl('edit-form')),
      ];
    }
    if ($entity->access('delete') && $entity->hasLinkTemplate('delete-form')) {
      $operations['delete'] = [
        'title' => $this->t('Delete'),
        'weight' => 100,
        'attributes' => [
          'class' => ['use-ajax'],
          'data-dialog-type' => 'modal',
          'data-dialog-options' => Json::encode([
            'width' => 880,
          ]),