// config.*
        public static class Config {
            public static final String KEEP_ORIGINAL_BODY = "keep.original.body";
            public static final String CLEANUP_ALL = "cleanup.all";
            public static final String CLEANUP_URL_FILTERS = "cleanup.urlFilters";
            public static final String JCIFS_PREFIX = "jcifs.";
            public static final String HTML_CANONICAL_XPATH = "html.canonical.xpath";

    protected int numOfThreads = 1;

    protected boolean cleanup = false;

    public GenerateThumbnailJob numOfThreads(final int numOfThreads) {
        this.numOfThreads = numOfThreads;
        return this;
    }

    public GenerateThumbnailJob cleanup() {
        this.cleanup = true;
        return this;
    }

    @Override
    public String execute() {

            }
            buf.append(systemHelper.getCurrentTimeAsLong() - execTime).append("ms");
            if (cleanupTime >= 0) {
                buf.append(", cleanup ").append(cleanupTime).append("ms");
            }
            buf.append("}, ");
            buf.append(MemoryUtil.getMemoryUsageLog());
            buf.append(')');
            logger.info(buf.toString());

            if (Constants.TRUE.equalsIgnoreCase(configParamMap.get(Config.CLEANUP_ALL))) {
                deleteCrawlData(sid);
            } else if (Constants.TRUE.equalsIgnoreCase(configParamMap.get(Config.CLEANUP_URL_FILTERS))) {
                final EsUrlFilterService urlFilterService = ComponentUtil.getComponent(EsUrlFilterService.class);
                try {

    public static final String CRAWLING_USER_AGENT_PROPERTY = "crawling.user.agent";

    public static final String DAY_FOR_CLEANUP_PROPERTY = "day.for.cleanup";

    public static final String WEB_API_JSON_PROPERTY = "web.api.json";

    public static final String WEB_API_SUGGEST_PROPERTY = "web.api.suggest";

    }

    default void setDayForCleanup(final int value) {
        setSystemPropertyAsInt(Constants.DAY_FOR_CLEANUP_PROPERTY, value);
    }

    default int getDayForCleanup() {
        return getSystemPropertyAsInt(Constants.DAY_FOR_CLEANUP_PROPERTY, Constants.DEFAULT_DAY_FOR_CLEANUP);
    }

    default void setCrawlingThreadCount(final int value) {

labels.web_crawling_button_create_job=Neue Aufgabe erstellen
labels.crawler_configuration=Allgemeine Konfiguration
labels.crawler_title_edit=Allgemeine Konfiguration
labels.schedule=Zeitplan
labels.enabled=Aktiviert
labels.day_for_cleanup=Dokumente entfernen nach
labels.day=Tag(en)
labels.crawl_button_update=Aktualisieren
labels.none=Keine
labels.crawling_thread_count=Anzahl gleichzeitiger Crawler
labels.incremental_crawling=Prüfe "Last Modified"-Header

labels.web_crawling_button_create_job	=	Créer un nouveau job
labels.crawler_configuration	=	Paramétrage général
labels.crawler_title_edit	=	Paramétrage général
labels.schedule	=	Planificateur
labels.enabled	=	Activé
labels.day_for_cleanup	=	Supprimer les documents avant
labels.day	=	Jour(s)
labels.crawl_button_update	=	Mise à jour
labels.none	=	Aucun
labels.crawling_thread_count	=	Configuration simultanée du robot d'exploration

        @Option(name = "-t", aliases = "--numOfThreads", metaVar = "numOfThreads", usage = "The number of threads")
        protected int numOfThreads = 1;

        @Option(name = "-c", aliases = "--cleanup", usage = "Clean-Up mode")
        protected boolean cleanup;

        protected Options() {
            // nothing
        }

        @Override
        public String toString() {

            boolean nonPooled, boolean forceSigning ) {
        if ( port <= 0 ) {
            port = SmbConstants.DEFAULT_PORT;
        }
        synchronized ( this.connections ) {
            cleanup();
            if ( log.isTraceEnabled() ) {
                log.trace("Exclusive " + nonPooled + " enforced signing " + forceSigning);
            }
            if ( !nonPooled && tc.getConfig().getSessionLimit() != 1 ) {