tools/src/main/java/org/apache/rocketmq/tools/command/broker/CommitLogSetReadAheadSubCommand.java [51:65]:
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    public Options buildCommandlineOptions(Options options) {
        Option opt = new Option("b", "brokerAddr", true, "set which broker");
        opt.setRequired(false);
        options.addOption(opt);

        opt = new Option("c", "clusterName", true, "set which cluster");
        opt.setRequired(false);
        options.addOption(opt);

        opt = new Option("m", "commitLogReadAheadMode", true, "set the CommitLog read ahead mode; 0 is default, 1 random read");
        opt.setRequired(true);
        options.addOption(opt);

        return options;
    }
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tools/src/main/java/org/apache/rocketmq/tools/command/broker/RemoveColdDataFlowCtrGroupConfigSubCommand.java [43:57]:
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    public Options buildCommandlineOptions(Options options) {
        Option opt = new Option("b", "brokerAddr", true, "update which broker");
        opt.setRequired(false);
        options.addOption(opt);

        opt = new Option("c", "clusterName", true, "update which cluster");
        opt.setRequired(false);
        options.addOption(opt);

        opt = new Option("g", "consumerGroup", true, "the consumer group will remove from the config");
        opt.setRequired(true);
        options.addOption(opt);

        return options;
    }
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