public void registerClient(Client client) {
        vertx.eventBus().publish(address, new VxClient(client, REGISTER, uuid).asJson());
    }
Publishes mutating events onto the event bus for listeners to consume. A UUID is sent to avoid circular
calls.

@author Marc Savy {@literal <msavy@redhat.com>}
gateway/engine/vertx-eb-inmemory/src/main/java/io/apiman/gateway/engine/vertxebinmemory/apis/EBRegistryProxy.java