kryo.register(ImmutableAuthentication.class);
kryo.register(MultiTimeUseOrTimeoutExpirationPolicy.class);
kryo.register(NeverExpiresExpirationPolicy.class);
kryo.register(RememberMeDelegatingExpirationPolicy.class);
kryo.register(ServiceTicketImpl.class);
kryo.register(SimpleWebApplicationServiceImpl.class, new SimpleWebApplicationServiceSerializer(kryo));
kryo.register(ThrottledUseAndTimeoutExpirationPolicy.class);
kryo.register(TicketGrantingTicketExpirationPolicy.class);
kryo.register(TicketGrantingTicketImpl.class);
kryo.register(TimeoutExpirationPolicy.class);
kryo.register(URL.class, new URLSerializer(kryo));