@Override
  public void toData(DataOutput out,
      SerializationContext context) throws IOException {
    super.toData(out, context);
    context.getSerializer().writeObject(proxyId, out);
    DataSerializer.writePrimitiveInt(redundantCopies, out);
    SerializationHelper.writeServerLocationSet(excludedServers, out);
    out.writeBoolean(findDurable);
  }
A request from a client to locator asking for a server to host a queue. If the durable client Id
is specified, the locator will attempt to discover a pre-existing queue.
geode-core/src/main/java/org/apache/geode/cache/client/internal/locator/QueueConnectionRequest.java