@Override
    public Collection<? extends Ticket> getTickets() {
        try (val ticketsStream = stream()) {
            return ticketsStream.collect(Collectors.toSet());
        }
    }
Key-value ticket registry implementation that stores tickets in redis.

@author Misagh Moayyed
@author Jerome Leleu
@since 5.1.0
support/cas-server-support-redis-ticket-registry/src/main/java/org/apereo/cas/ticket/registry/RedisTicketRegistry.java