@Override
 public List<Object> deserializeKeyAndValue(byte[] key, byte[] value) {
   Long ts = converter.toNanoseconds(Bytes.toLong(key));
   byte[] packetHeaderized = PcapHelper.addPacketHeader(ts, value, endianness);
   byte[] globalHeaderized = PcapHelper.addGlobalHeader(packetHeaderized, endianness);
   return new Values(ImmutableList.of(new LongWritable(ts), new BytesWritable(globalHeaderized)));
 }