/**
     * Set the value of dataCrawlStartTime, used in parameter comment. <br>
     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param dataCrawlStartTime The parameter value of dataCrawlStartTime. (NotNull)
     */
    public void setDataCrawlStartTime(String dataCrawlStartTime) {
        registerVariable("dataCrawlStartTime", dataCrawlStartTime);
    }

    /**

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

    public static final String WEB_FS_CRAWLER_END_TIME = "WebFsCrawlEndTime";

    /** Info map key for data crawler start time. */
    public static final String DATA_CRAWLER_START_TIME = "DataCrawlStartTime";

    /** Info map key for data crawler end time. */
    public static final String DATA_CRAWLER_END_TIME = "DataCrawlEndTime";

    /** Info map key for web/file system crawling execution time. */