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;
    }

}