class ListServiceClassesByBroker {
  private static final Logger logger = LoggerFactory.getLogger(ListServiceClassesByBroker.class.getSimpleName());

  public static void main(String[] args) {<FILL_FUNCTION_BODY>}
}

    ServiceCatalogClient client = ClientFactory.newClient(args);
    String broker = ClientFactory.getOptions(args, "--broker", null);
    if (broker == null || broker.isEmpty()) {
      logger.info("Missing --broker option!");
      System.exit(1);
    }
    logger.info("Listing Cluster Service Classes {} :", broker);
    ClusterServiceClassList list = client.clusterServiceBrokers().withName(broker).listClasses();
    list.getItems()
        .forEach(b -> logger.info(b.getSpec().getExternalName() + "\t\t\t\t" + b.getMetadata().getName()));
    logger.info("Done");
  
<no_super_class>