ConfigOverrider.php

<?php

namespace Drupal\config_entity_static_cache_test;

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

/**
 * Tests module overrides for configuration.
 */
class ConfigOverrider implements ConfigFactoryOverrideInterface {
    
    /**
     * {@inheritdoc}
     */
    public function loadOverrides($names) {
        return [
            'config_test.dynamic.test_1' => [
                'label' => 'Overridden label',
            ],
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    public function getCacheSuffix() {
        return 'config_entity_static_cache_test';
    }
    
    /**
     * {@inheritdoc}
     */
    public function createConfigObject($name, $collection = StorageInterface::DEFAULT_COLLECTION) {
        return NULL;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getCacheableMetadata($name) {
        return new CacheableMetadata();
    }

}