public String normalizeHtmlLang(final String value) {
        final String defaultLang = ComponentUtil.getFessConfig().getCrawlerDocumentHtmlDefaultLang();
        if (StringUtil.isNotBlank(defaultLang)) {
            return defaultLang;
        }

        return normalizeLang(value);
    }

    public String normalizeLang(final String value) {
        if (StringUtil.isBlank(value)) {
            return null;
        }

    /**
     * Get the value for the key 'search_engine.password'. <br>
     * The value is, e.g.  <br>
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getSearchEnginePassword();

    /**
     * Get the value for the key 'search_engine.password' as {@link Integer}. <br>
     * The value is, e.g.  <br>

labels.search_log_enabled=Search Logging
labels.user_info_enabled=User Logging
labels.user_favorite_enabled=Favorite Logging
labels.web_api_json_enabled=JSON Response
labels.app_value=System Properties
labels.default_label_value=Default Label Value
labels.default_sort_value=Default Sort Value
labels.append_query_param_enabled=Append Params to URL
labels.login_required=Login Required
labels.login_link=Login Link
labels.thumbnail=Thumbnail View

labels.user_info_enabled=Benutzer protokollieren
labels.user_favorite_enabled=Favorites protokollieren
labels.web_api_json_enabled=JSON-Antwort
labels.app_value=Systemeigenschaften
labels.default_label_value=Standard-Labelwert
labels.default_sort_value=Standard-Sortierungswert
labels.virtual_host_value=Virtuelle Hosts
labels.append_query_param_enabled=Parameter an URL anhängen
labels.login_required=Anmeldung erforderlich

labels.user_favorite_enabled	=	Journalisation préférée
labels.web_api_json_enabled	=	Réponse JSON
labels.app_value	=	Propriétés du système
labels.default_label_value	=	Valeur d'étiquette par défaut
labels.default_sort_value	=	Valeur de tri par défaut
labels.virtual_host_value	=	Hôtes virtuels
labels.append_query_param_enabled	=	Ajouter des paramètres à l'URL
labels.login_required	=	Connexion requise

    public static final String LABELS_app_value = "{labels.app_value}";

    /** The key of the message: Default Label Value */
    public static final String LABELS_default_label_value = "{labels.default_label_value}";

    /** The key of the message: Default Sort Value */
    public static final String LABELS_default_sort_value = "{labels.default_sort_value}";

    /** The key of the message: Virtual Hosts */

											<la:option value="14.0">14.0</la:option>
											<la:option value="14.1">14.1</la:option>
											<la:option value="14.2">14.2</la:option>
											<la:option value="14.3">14.3</la:option>
											<la:option value="14.4">14.4</la:option>
											<la:option value="14.5">14.5</la:option>
											<la:option value="14.6">14.6</la:option>
											<la:option value="14.7">14.7</la:option>

		<antcall target="install.plugin">
			<param name="repo.url" value="${maven.release.repo.url}" />
			<param name="plugin.groupId" value="org/codelibs/opensearch" />
			<param name="plugin.name.prefix" value="opensearch-" />
			<param name="plugin.name" value="analysis-extension" />
			<param name="plugin.version" value="2.13.1" />
			<param name="plugin.zip.version" value="2.13.1" />
		</antcall>
		<!-- analysis-fess -->

<project name="deps" basedir=".">
	<property name="target.dir" value="${basedir}/target/deps" />
	<property name="webinf.dir" value="${basedir}/src/main/webapp/WEB-INF" />
	<property name="crawler.dir" value="${basedir}/src/main/webapp/WEB-INF/env/crawler" />
	<property name="suggest.dir" value="${basedir}/src/main/webapp/WEB-INF/env/suggest" />
	<property name="thumbnail.dir" value="${basedir}/src/main/webapp/WEB-INF/env/thumbnail" />

labels.user_info_enabled=User Logging
labels.user_favorite_enabled=Favorite Logging
labels.web_api_json_enabled=JSON Response
labels.app_value=System Properties
labels.default_label_value=Default Label Value
labels.default_sort_value=Default Sort Value
labels.virtual_host_value=Virtual Hosts
labels.append_query_param_enabled=Append Params to URL
labels.login_required=Login Required
labels.result_collapsed=Similar Result Collapsed