ConfigOverrider.php

<?php

declare (strict_types=1);
namespace Drupal\user_config_override_test;

use Drupal\Core\Config\StorableConfigBase;
use Drupal\Core\Cache\CacheableMetadata;
use Drupal\Core\Config\ConfigFactoryOverrideInterface;
use Drupal\Core\Config\StorageInterface;

/**
 * Tests overridden permissions.
 */
class ConfigOverrider implements ConfigFactoryOverrideInterface {
    
    /**
     * {@inheritdoc}
     */
    public function loadOverrides($names) : array {
        return [
            'user.role.anonymous' => [
                'permissions' => [
                    9999 => 'access content',
                ],
            ],
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    public function getCacheSuffix() : string {
        return 'user_config_override_test';
    }
    
    /**
     * {@inheritdoc}
     */
    public function getCacheableMetadata($name) : CacheableMetadata {
        return new CacheableMetadata();
    }
    
    /**
     * {@inheritdoc}
     */
    public function createConfigObject($name, $collection = StorageInterface::DEFAULT_COLLECTION) : StorableConfigBase|null {
        return NULL;
    }

}