private void defineAType() throws IOException {
    SimpleClass sc = new SimpleClass(1, (byte) 2);
    HeapDataOutputStream out = new HeapDataOutputStream(KnownVersion.CURRENT);
    DataSerializer.writeObject(sc, out);
  }
Test that loner VMs lazily determine if they are a client or a peer.
geode-core/src/distributedTest/java/org/apache/geode/pdx/PdxAttributesDistributedTest.java