*  */
    String JVM_THUMBNAIL_OPTIONS = "jvm.thumbnail.options";

    /** The key of the configuration. e.g. default_crawler */
    String JOB_SYSTEM_JOB_IDS = "job.system.job.ids";

    /** The key of the configuration. e.g. Web Crawler - {0} */
    String JOB_TEMPLATE_TITLE_WEB = "job.template.title.web";

    /** The key of the configuration. e.g. File Crawler - {0} */

    }

    protected static void deleteLabel(String id) {
        checkMethodBase(new HashMap<>()).delete("/api/admin/labeltype/setting/" + id);
    }

    public static String getTestDataPath() {
        return System.getProperty("test.testdata.path", DEFAULT_TESTDATA_PATH);
    }

    protected String getApiPath() {
        return "json";
    }

        try {
            parser.parseArgument(args);
        } catch (final CmdLineException e) {
            System.err.println(e.getMessage());
            System.err.println("java " + Crawler.class.getCanonicalName() + " [options...] arguments...");
            parser.printUsage(System.err);
            return;
        }

        if (logger.isDebugEnabled()) {
            try {

        System.setProperty("abc", "123");

        value = "${abc}";
        assertEquals("123", ResourceUtil.resolve(value));

        value = "xxx${abc}zzz";
        assertEquals("xxx123zzz", ResourceUtil.resolve(value));

        value = "${abc.xyz}";
        assertEquals(value, ResourceUtil.resolve(value));

        System.setProperty("abc.xyz", "789");

        final String appType = System.getenv(FESS_APP_TYPE);
        if (StringUtil.isNotBlank(appType)) {
            return appType;
        }
        return StringUtil.EMPTY;
    }

    public static OptionalEntity<String> getOverrideConfPath() {
        if (FESS_APP_DOCKER.equalsIgnoreCase(getAppType())) {
            final String confPath = System.getenv(FESS_OVERRIDE_CONF_PATH);

    public static final String STATS_REPORT_TYPE = "reportType";

    public static final String RESULT_DOC_ID_CACHE = "resultDocIds";

    public static final String CRAWLING_INFO_SYSTEM_NAME = "system";

    // view parameters

    public static final String FACET_QUERY = "fess.FacetQuery";

    public static final String GEO_QUERY = "fess.GeoQuery";

    }

    // ===================================================================================
    //                                                                      System Failure
    //                                                                      ==============
    @Override

            }
            return null;
        }).filter(s -> s != null).toArray(n -> new String[n]);
    }

    public static int getJavaVersion() {
        final String javaVersion = System.getProperty("java.version");
        int version = 8;
        if (javaVersion != null) {
            final String[] split = javaVersion.split("[\\._]");
            if (split.length > 0) {

                        elevateWord.setPermissions(permissions);
                        elevateWord.setBoost(StringUtil.isBlank(boost) ? 1.0f : Float.parseFloat(boost));
                        elevateWord.setCreatedBy(Constants.SYSTEM_USER);
                        elevateWord.setCreatedTime(now);
                        elevateWordBhv.insert(elevateWord);
                        final String id = elevateWord.getId();

                if (FessAdminAction.class.isAssignableFrom(runtime.getActionType())) {
                    return "/admin/error/error.jsp";
                }
                return "/error/system.jsp";
            }
        });
    }

    protected Consumer<List<String>> createMessageNameList() {
        return nameList -> nameList.add("fess_message");
    }