/**
 * Export file to XLSX
 * @param oldDataFile e.g. "localizations.json"
 * @param xlsxFile path of file to export
 * @param newDataFile can be the same as oldDataFile (different when testing)
 */
export default function importLocalizationFileFromXlsx(oldDataFile: string, xlsxFile: string, newDataFile: string): void;