predefinedConfiguredLanguages example

    }
  }

  /** * Return the list of configuration in install storage and current languages. * * @return array * List of configuration in install storage and current languages. */
  public function listAll() {
    $languages = $this->predefinedConfiguredLanguages();
    return array_unique(
      array_merge(
        $this->requiredInstallStorage->listAll(),
        $this->optionalInstallStorage->listAll(),
        $languages
      )
    );
  }

  /** * Get all configuration names and folders for a list of modules or themes. * * @param string $type * Type of components: 'module' | 'theme' | 'profile' * @param array $list * Array of theme or module names. * * @return array * Configuration names provided by that component. In case of language * module this list is extended with configured languages that have * predefined names as well. */