@SuppressWarnings("deprecation")
  private void testDeprecatedMessageTypes(VM clientVM, int locatorPort) {
    clientVM.invoke("issue info request",
        createRequestResponseFunction(locatorPort, InfoRequest.class.getName(),
            InfoResponse.class.getName()));
  }
In version 1.12 TcpServer changed: the three pairs of message types used to derive from
DataSerializable, but as of 1.12 they derive from BasicSerializable.

This test verifies that the current version (1.12 or later) is compatible with the latest
version before 1.12
geode-tcp-server/src/upgradeTest/java/org/apache/geode/distributed/internal/tcpserver/TcpServerProductVersionUpgradeTest.java