/** @var \Drupal\Core\Config\ConfigImporter $config_importer */
$config_importer = $form_state->get('config_importer');
if ($config_importer->alreadyImporting()) {
/** @var \Drupal\Core\Config\ConfigImporter $config_importer */
$config_importer = $form_state->get('config_importer');
if ($config_importer->alreadyImporting()) {