interface LanguageConfigFactoryOverrideInterface

interface LanguageConfigFactoryOverrideInterface extends ConfigFactoryOverrideInterface {
    
    /**
     * Gets the language object used to override configuration data.
     *
     * @return \Drupal\Core\Language\LanguageInterface
     *   The language object used to override configuration data.
     */
    public function getLanguage();
    
    /**
     * Sets the language to be used in configuration overrides.
     *
     * @param \Drupal\Core\Language\LanguageInterface $language
     *   The language object used to override configuration data.
     *
     * @return $this
     */
    public function setLanguage(LanguageInterface $language = NULL);
    
    /**
     * Get language override for given language and configuration name.
     *
     * @param string $langcode
     *   Language code.
     * @param string $name
     *   Configuration name.
     *
     * @return \Drupal\Core\Config\Config
     *   Configuration override object.
     */
    public function getOverride($langcode, $name);
    
    /**
     * Returns the storage instance for a particular langcode.
     *
     * @param string $langcode
     *   Language code.
     *
     * @return \Drupal\Core\Config\StorageInterface
     *   The storage instance for a particular langcode.
     */
    public function getStorage($langcode);
    
    /**
     * Installs available language configuration overrides for a given langcode.
     *
     * @param string $langcode
     *   Language code.
     */
    public function installLanguageOverrides($langcode);

}