code: public static FileUtils.FileCopyResult gunzip(final ByteSource in, File outFile)
    {
      return gunzip(in, outFile, FileUtils.IS_EXCEPTION);
    }
docs: Gunzip from the input stream to the output file
  
  @param in      The compressed input stream to read from
  @param outFile The file to write the uncompressed results to
  
  @return A FileCopyResult of the file written