@Override
    public Collection<? extends Ticket> getTickets() {
        return decodeTickets(getMapInstance().values());
    }
This is {@link AbstractMapBasedTicketRegistry}.

@author Misagh Moayyed
@since 5.2.0
core/cas-server-core-tickets-api/src/main/java/org/apereo/cas/ticket/registry/AbstractMapBasedTicketRegistry.java