public void setRegionName(String regionName) {
        if (StringUtils.isNotBlank(regionName)) {
            this.regionName = regionName.trim().toLowerCase();
            this.groupMetaConfigKey = ProxyUtils.buildGroupIdConfigKey(
                    this.dataRptProtocol, this.regionName, this.inlongGroupId);
        }
    }
Configuration settings related to Manager metadata synchronization:
1. Manager address, visit protocol, authentication info
2. requested groupId, username info
3. meta cache setting info
4. other setting info
inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/common/ProxyClientConfig.java