public List<String> getAllGroupName() {
        if (groupInfoMap.isEmpty()) {
            return Collections.emptyList();
        }
        return new ArrayList<>(groupInfoMap.keySet());
    }
get all registered group name

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