default List<? extends Serializable> query(final TicketRegistryQueryCriteria criteria) {
        return new ArrayList<>();
    }
Query the registry and return the results.
This operations allows one to interact with the registry
in raw form without a lot of post-processing of the ticket objects.
Registry implementations are to decide which criteria options they wish to support.

@param criteria the criteria
@return the results
api/cas-server-core-api-ticket/src/main/java/org/apereo/cas/ticket/registry/TicketRegistry.java