public List<String> getConsumerIdList(String group) {
        if (group == null) {
            return Collections.emptyList();
        }
        ConsumeGroupInfo consumeGroupInfo = groupInfoMap.get(group);
        if (consumeGroupInfo == null) {
            return Collections.emptyList();
        }
        return consumeGroupInfo.getConsumerIdList();
    }
Get consumer id list in a group

@param group the consumer group name
@return the consumer id list of the group
inlong-tubemq/tubemq-server/src/main/java/org/apache/inlong/tubemq/server/master/nodemanage/nodeconsumer/ConsumerInfoHolder.java