static QueueableTicketRegistryMessagePublisher noOp() {
        return new QueueableTicketRegistryMessagePublisher() {
            @Override
            public boolean isEnabled() {
                return false;
            }
        };
    }
No op ticket registry message publisher
that does nothing and disables the publisher.

@return the queueable ticket registry message publisher
core/cas-server-core-tickets-api/src/main/java/org/apereo/cas/ticket/registry/pubsub/queue/QueueableTicketRegistryMessagePublisher.java