}
        final String[] roles = roleSet.toArray(new String[roleSet.size()]);

        if (!subRoleSet.isEmpty()) {
            TimeoutManager.getInstance().addTimeoutTarget(() -> {
                processSubRoles(ldapUser, bindDn, subRoleSet, groupFilter, roleSet);
                if (logger.isDebugEnabled()) {
                    logger.debug("role(lazy loading): {}", roleSet);
                }