EntityShortcutSet.php

<?php

namespace Drupal\shortcut\Plugin\migrate\destination;

use Drupal\migrate\Attribute\MigrateDestination;
use Drupal\migrate\Row;
use Drupal\migrate\Plugin\migrate\destination\EntityConfigBase;

/**
 * Migration destination for shortcut set entity.
 */
class EntityShortcutSet extends EntityConfigBase {
  
  /**
   * {@inheritdoc}
   */
  protected function getEntity(Row $row, array $old_destination_id_values) {
    $entity = parent::getEntity($row, $old_destination_id_values);
    // Set the "syncing" flag to TRUE, to avoid duplication of default
    // shortcut links
    $entity->setSyncing(TRUE);
    return $entity;
  }

}