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

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

                    postcard.setWebFsCrawlExecTime(getValueFromMap(dataMap, "webFsCrawlExecTime", "0"));
                    postcard.setWebFsCrawlStartTime(getValueFromMap(dataMap, "webFsCrawlStartTime", StringUtil.EMPTY));
                    postcard.setWebFsIndexExecTime(getValueFromMap(dataMap, "webFsIndexExecTime", "0"));