farm-2.x-dev/modules/core/l10n/src/Config/FarmLocalizationOverrides.php

<?php

namespace Drupal\farm_l10n\Config;

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

/**
 * Configuration overrides for farmOS localization module.
 */
class FarmLocalizationOverrides implements ConfigFactoryOverrideInterface {

  /**
   * {@inheritdoc}
   */
  public function loadOverrides($names) {
    $overrides = [];
    if (in_array('system.site', $names)) {
      $overrides['system.site']['default_langcode'] = 'en';
    }
    return $overrides;
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheSuffix() {
    return 'FarmLocalizationOverrider';
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheableMetadata($name) {
    return new CacheableMetadata();
  }

  /**
   * {@inheritdoc}
   */
  public function createConfigObject($name, $collection = StorageInterface::DEFAULT_COLLECTION) {
    return NULL;
  }

}