* @throws IOException thrown if an error occurs
*/
public void writePacket(Packet packet, DataOutput dataOut) throws IOException {
super.writePacket(packet, dataOut);
DurableUnsubscribe ds = (DurableUnsubscribe) packet;
super.writeUTF(ds.getClientId(), dataOut);
super.writeUTF(ds.getSubscriberName(), dataOut);
}