public StringBuilder adminDeleteBrokerConfEntityInfo(HttpServletRequest req,
            StringBuilder sBuffer,
            ProcessResult result) {
        // check and get operation info
        if (!WebParameterUtils.getAUDBaseInfo(req, false, null, sBuffer, result)) {
            WebParameterUtils.buildFailResult(sBuffer, result.getErrMsg());
            return sBuffer;
        }
        BaseEntity opEntity = (BaseEntity) result.getRetData();
        // get isReservedData info
        if (!WebParameterUtils.getBooleanParamValue(req,
                WebFieldDef.ISRESERVEDDATA, false, false, sBuffer, result)) {
            WebParameterUtils.buildFailResult(sBuffer, result.getErrMsg());
            return sBuffer;
        }
        Boolean isReservedData = (Boolean) result.getRetData();
        // check and get brokerId field
        if (!WebParameterUtils.getIntParamValue(req,
                WebFieldDef.COMPSBROKERID, true, sBuffer, result)) {
            WebParameterUtils.buildFailResult(sBuffer, result.getErrMsg());
            return sBuffer;
        }
        Set<Integer> brokerIds = (Set<Integer>) result.getRetData();
        List<BrokerProcessResult> retInfo = new ArrayList<>();
        for (Integer brokerId : brokerIds) {
            defMetaDataService.delBrokerConfInfo(opEntity.getModifyUser(),
                    isReservedData, brokerId, sBuffer, result);
            retInfo.add(new BrokerProcessResult(brokerId, null, result));
        }

        return buildRetInfo(retInfo, sBuffer);
    }
Delete broker config

@param req       Http Servlet Request
@param sBuffer   string buffer
@param result    process result
@return    process result
inlong-tubemq/tubemq-server/src/main/java/org/apache/inlong/tubemq/server/master/web/handler/WebBrokerConfHandler.java