public static ConfigDef scramMechanismsPlusUserAndClientQuotaConfigs() {
        ConfigDef configDef = new ConfigDef();
        ScramMechanism.mechanismNames().forEach(mechanismName -> {
            configDef.define(mechanismName, ConfigDef.Type.STRING, null, MEDIUM,
                    "User credentials for SCRAM mechanism " + mechanismName);
        });
        buildUserClientQuotaConfigDef(configDef);
        return configDef;
    }
All clients created by AutoMQ will have this prefix in their client id, and they will be excluded from quota.
server-common/src/main/java/org/apache/kafka/server/config/QuotaConfigs.java