class TestConfigNamesMapper

class TestConfigNamesMapper extends ConfigNamesMapper {
  
  /**
   * Gets the internal language code of this mapper, if any.
   *
   * This method is not to be confused with
   * ConfigMapperInterface::getLangcode().
   *
   * @return string|null
   *   The language code of this mapper if it is set; NULL otherwise.
   */
  public function getInternalLangcode() {
    return $this->langcode ?? NULL;
  }
  
  /**
   * Sets the list of configuration names.
   *
   * @param array $config_names
   *   The configuration names.
   */
  public function setConfigNames(array $config_names) {
    $this->pluginDefinition['names'] = $config_names;
  }
  
  /**
   * Sets the configuration factory.
   *
   * @var \Drupal\Core\Config\ConfigFactoryInterface $config_factory
   *   The config factory to set.
   */
  public function setConfigFactory(ConfigFactoryInterface $config_factory) {
    $this->configFactory = $config_factory;
  }

}