@Override
  public void fromData(DataInput in,
      DeserializationContext context) throws IOException, ClassNotFoundException {
    super.fromData(in, context);
    currentServer = new ServerLocation();
    InternalDataSerializer.invokeFromData(currentServer, in);
  }
A request from a client to the locator asking for a server to connect to for client to server
traffic.
geode-core/src/main/java/org/apache/geode/cache/client/internal/locator/ClientReplacementRequest.java