private static long getOutputFileHash(@NotNull File file, @NotNull File rootPath) throws IOException {
    long fileHash = Xxh3HashingService.getFileHash(file);
    long stringHash = getStringHash(toRelative(file, rootPath));
    return Xxh3HashingService.hashLongs(stringHash, fileHash);
  }
private static long getOutputFileHash(@NotNull File file, @NotNull File rootPath)