public function saveFileForLanguage(array $fieldList, $language = null, $validate = true)
    {
        $fileName = null;
        if (!is_null($language)) {
            $this->setLanguage($language);
            $fieldList[] = 'language';
            $fileName    = $this->buildConfigFilePath('myconfig-' . $language . '.php');
        }

        $this->saveFile($fieldList, $fileName, $validate);
    }