public String getJvmCrawlerOptions() {
            return get(FessConfig.JVM_CRAWLER_OPTIONS);
        }

        public String getJvmSuggestOptions() {
            return get(FessConfig.JVM_SUGGEST_OPTIONS);
        }

        public String getJvmThumbnailOptions() {
            return get(FessConfig.JVM_THUMBNAIL_OPTIONS);
        }

        public String getJobSystemJobIds() {