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

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

                    postcard.setWebFsIndexExecTime(getValueFromMap(dataMap, "webFsIndexExecTime", "0"));
                    postcard.setWebFsIndexSize(getValueFromMap(dataMap, "webFsIndexSize", "0"));
                    if (Constants.TRUE.equalsIgnoreCase(infoMap.get(Constants.CRAWLER_STATUS))) {
                        postcard.setStatus(Constants.OK);