private static WikidataTranslations load(Path path, Duration maxAge, int updateLimit) {
    Timer timer = Timer.start();
    if (!Files.exists(path)) {
      LOGGER.info("no wikidata translations found, run with --fetch-wikidata to download");
      return new WikidataTranslations();
    } else {
      try (BufferedReader fis = Files.newBufferedReader(path)) {
        WikidataTranslations result = load(fis, maxAge, updateLimit, Clock.systemUTC());
        LOGGER.info(
          "loaded from {} mappings from {} in {}",
          result.getAll().size(),
          path.toAbsolutePath(),
          timer.stop()
        );
        return result;
      } catch (IOException e) {
        LOGGER.info("error loading {}: {}", path.toAbsolutePath(), e);
        return new WikidataTranslations();
      }
    }
  }
Returns translations parsed from {@code path} that was written by a previous run of the downloader.
planetiler-core/src/main/java/com/onthegomap/planetiler/util/Wikidata.java