public static final String LOAD_EXTERNAL_DTD_FEATURE = "nonvalidating/load-external-dtd";

    public static final String FESEN_TYPE_CLOUD = "cloud";

    public static final String FESEN_TYPE_AWS = "aws";

    public static final String FESEN_USERNAME = "fesen.username";

    public static final String FESEN_PASSWORD = "fesen.password";

    public static final String EXECUTE_TYPE_CRAWLER = "crawler";

        if (StringUtil.isBlank(httpAddress) && (runner == null)) {
            switch (fessConfig.getFesenType()) {
            case Constants.FESEN_TYPE_CLOUD:
            case Constants.FESEN_TYPE_AWS:
                httpAddress = org.codelibs.fess.util.ResourceUtil.getFesenHttpUrl();
                break;
            default:
                runner = new OpenSearchRunner();

        final String fesenType = fessConfig.getFesenType();
        switch (fesenType) {
        case Constants.FESEN_TYPE_CLOUD:
        case Constants.FESEN_TYPE_AWS:
            // nothing
            break;
        default:
            for (final String path : getDictionaryPaths()) {
                if (path.endsWith("mapping.txt")) {

    }

    default boolean isResultCollapsed() {
        return switch (getFesenType()) {
        case Constants.FESEN_TYPE_CLOUD, Constants.FESEN_TYPE_AWS -> false;
        default -> getSystemPropertyAsBoolean(Constants.RESULT_COLLAPSED_PROPERTY, false);
        };
    }

    default void setLoginLinkEnabled(final boolean value) {