public GossipDigestAck2Message deserialize(DataInputStream dis) throws IOException {
   Map<InetAddress, EndPointState> epStateMap = EndPointStatesSerializationHelper.deserialize(dis);
   return new GossipDigestAck2Message(epStateMap);
 }
 public void serialize(GossipDigestAck2Message gDigestAck2Message, DataOutputStream dos)
     throws IOException {
   /* Use the EndPointState */
   EndPointStatesSerializationHelper.serialize(gDigestAck2Message.epStateMap_, dos);
 }