}

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

    /**

        };
        ComponentUtil.register(notificationConfig, "fessConfig");

        Map<String, String> infoMap = new HashMap<>();
        infoMap.put(Constants.CRAWLER_STATUS, Constants.TRUE);
        infoMap.put("CrawlerStartTime", "2024-01-01T10:00:00");
        infoMap.put("CrawlerEndTime", "2024-01-01T11:00:00");

        try {
            crawler.sendMail(infoMap);
        } catch (Exception e) {

                    postcard.setCrawlerExecTime(getValueFromMap(dataMap, "crawlerExecTime", "0"));
                    postcard.setCrawlerStartTime(getValueFromMap(dataMap, "crawlerStartTime", StringUtil.EMPTY));
                    postcard.setDataCrawlEndTime(getValueFromMap(dataMap, "dataCrawlEndTime", StringUtil.EMPTY));

    /** Info map key for crawler error information. */
    public static final String CRAWLER_ERRORS = "CrawlerErrors";

    /** Info map key for crawler start time. */
    public static final String CRAWLER_START_TIME = "CrawlerStartTime";

    /** Info map key for crawler end time. */
    public static final String CRAWLER_END_TIME = "CrawlerEndTime";

    /** Info map key for crawler execution time. */