Issue #2978288 by quietone: Improve the documentation on executeMigrations

   * Executes a set of migrations in dependency order.

   *

   * @param string[] $ids

   *   Array of migration IDs, in any order.

   *   Array of migration IDs, in any order. If any of these migrations use a

   *   deriver, the derivatives will be made before execution.

   */

  protected function executeMigrations(array $ids) {

    $manager = $this->container->get('plugin.manager.migration');