code: public static byte[] uncompress(byte[] input)
              throws IOException
      {
          byte[] result = new byte[Snappy.uncompressedLength(input)];
          Snappy.uncompress(input, 0, input.length, result, 0);
          return result;
      }
docs: High-level API for uncompressing the input byte array.
  
  @param input
  @return the uncompressed byte array
  @throws IOException