DeprecatedModuleTestHooks.php

<?php

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

use Drupal\Core\Extension\Extension;
use Drupal\Core\Hook\Attribute\Hook;

/**
 * Hook implementations for deprecated_module_test.
 */
class DeprecatedModuleTestHooks {
    
    /**
     * Implements hook_system_info_alter().
     */
    public function systemInfoAlter(array &$info, Extension $file, $type) {
        // Make the 'deprecated_module_contrib' look like it isn't part of core.
        if ($type === 'module' && $info['name'] === 'Deprecated module contrib') {
            $file->origin = 'sites/all';
        }
    }

}