public void setThumbnailId_Terms(ConditionOptionCall<TermsAggregationBuilder> opLambda) {
        setThumbnailId_Terms("thumbnail_id", opLambda, null);
    }

    public void setThumbnailId_Terms(ConditionOptionCall<TermsAggregationBuilder> opLambda, OperatorCall<BsThumbnailQueueCA> aggsLambda) {
        setThumbnailId_Terms("thumbnail_id", opLambda, aggsLambda);
    }

    }

    @Override
    protected String asEsIndex() {
        return "fess_config.thumbnail_queue";
    }

    @Override
    public String asEsIndexType() {
        return "thumbnail_queue";
    }

    @Override
    public String asEsSearchType() {
        return "thumbnail_queue";
    }

    @Override
    public ThumbnailQueueDbm asDBMeta() {

        }

        if (logger.isDebugEnabled()) {
            logger.debug("Thumbnail Directory: {}", baseDir.getAbsolutePath());
        }

        thumbnailTaskQueue = new LinkedBlockingQueue<>(thumbnailTaskQueueSize);
        generating = !Constants.TRUE.equalsIgnoreCase(System.getProperty("fess.thumbnail.process"));
        thumbnailQueueThread = new Thread((Runnable) () -> {

        }
    }

    public enum ArtifactType {
        DATA_STORE("fess-ds"), THEME("fess-theme"), INGEST("fess-ingest"), SCRIPT("fess-script"), WEBAPP("fess-webapp"), THUMBNAIL(
                "fess-thumbnail"), UNKNOWN("jar");

        private final String id;

        ArtifactType(final String id) {
            this.id = id;
        }

        public String getId() {

searchlog.agg.shard.size=-1
searchlog.request.headers=

thumbnail.html.image.min.width=100
thumbnail.html.image.min.height=100
thumbnail.html.image.max.aspect.ratio=3.0
thumbnail.html.image.thumbnail.width=100
thumbnail.html.image.thumbnail.height=100
thumbnail.html.image.format=png
thumbnail.html.image.xpath=//IMG
thumbnail.html.image.exclude.extensions=svg,html,css,js
thumbnail.generator.interval=0
thumbnail.generator.targets=all

                                "Failed to process a thumbnail content: " + url + " (Response URL is empty)");
                    }
                    return consumer.test(responseData);
                } catch (final CrawlingAccessException e) {
                    if (logger.isDebugEnabled()) {
                        throw new ThumbnailGenerationException("Failed to process a thumbnail content: " + url, e);
                    }

    public static final String RESULT_COLLAPSED_PROPERTY = "result.collapsed";

    public static final String LOGIN_LINK_ENALBED_PROPERTY = "login.link.enabled";

    public static final String THUMBNAIL_ENALBED_PROPERTY = "thumbnail.enabled";

    public static final String IGNORE_FAILURE_TYPE_PROPERTY = "failure.ignoretype";

    public static final String FAILURE_COUNT_THRESHOLD_PROPERTY = "failure.countthreshold";

        if (StringUtil.isNotBlank(confPath)) {
            buf.append(confPath);
            buf.append(cpSeparator);
        }
        // WEB-INF/env/thumbnail/resources
        buf.append("WEB-INF");
        buf.append(File.separator);
        buf.append("env");
        buf.append(File.separator);
        buf.append(getExecuteType());
        buf.append(File.separator);

        fessConfig.setResultCollapsed(isCheckboxEnabled(form.resultCollapsed));
        fessConfig.setLoginLinkEnabled(isCheckboxEnabled(form.loginLink));
        fessConfig.setThumbnailEnabled(isCheckboxEnabled(form.thumbnail));
        fessConfig.setIncrementalCrawling(isCheckboxEnabled(form.incrementalCrawling));
        fessConfig.setDayForCleanup(form.dayForCleanup);
        fessConfig.setCrawlingThreadCount(form.crawlingThreadCount);

    private static final Logger logger = LogManager.getLogger(FessXpathTransformer.class);

    private static final String X_ROBOTS_TAG = "X-Robots-Tag";

    private static final String META_NAME_THUMBNAIL_CONTENT = "//META[@name=\"thumbnail\" or @name=\"THUMBNAIL\"]/@content";

    private static final String META_PROPERTY_OGIMAGE_CONTENT = "//META[@property=\"og:image\"]/@content";