ConfigImportTestHooks.php

<?php

declare (strict_types=1);
namespace Drupal\config_import_test\Hook;

use Drupal\Core\Hook\Attribute\Hook;

/**
 * Hook implementations for config_import_test.
 */
class ConfigImportTestHooks {
    
    /**
     * Implements hook_config_import_steps_alter().
     */
    public function configImportStepsAlter(&$sync_steps) {
        $sync_steps[] = '_config_import_test_config_import_steps_alter';
    }

}