* Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param dataIndexSize The parameter value of dataIndexSize. (NotNull)
     */
    public void setDataIndexSize(String dataIndexSize) {
        registerVariable("dataIndexSize", dataIndexSize);
    }

    /**
     * Set the value of crawlerStartTime, used in parameter comment. <br>

                    postcard.setDataCrawlStartTime(getValueFromMap(dataMap, "dataCrawlStartTime", StringUtil.EMPTY));
                    postcard.setDataIndexSize(getValueFromMap(dataMap, "dataIndexSize", "0"));
                    postcard.setDataIndexExecTime(getValueFromMap(dataMap, "dataIndexExecTime", "0"));