public List<String> getAllClientBalanceGroups() {
        if (clientBalanceGroupSet.isEmpty()) {
            return Collections.emptyList();
        }
        return new ArrayList<>(clientBalanceGroupSet);
    }
get all client-balance group name

@return the group name registered
inlong-tubemq/tubemq-server/src/main/java/org/apache/inlong/tubemq/server/master/nodemanage/nodeconsumer/ConsumerInfoHolder.java