docs: public static FileUtils.FileCopyResult gunzip(
        final ByteSource in,
        final File outFile,
        Predicate<Throwable> shouldRetry
    )
    {
      return FileUtils.retryCopy(
          new ByteSource()
          {
            @Override
            public InputStream openStream() throws IOException
            {
              return gzipInputStream(in.openStream());
            }
          },
          outFile,
          shouldRetry,
          DEFAULT_RETRY_COUNT
      );
    }