assertEquals("PrunedTag [tag=a, id=null, css=test, attrName=null, attrValue=null]", tags[0].toString());

        tags = PrunedTag.parse("a[target=_blank]");
        assertEquals(1, tags.length);
        assertEquals("PrunedTag [tag=a, id=null, css=null, attrName=target, attrValue=_blank]", tags[0].toString());

        tags = PrunedTag.parse("a.link,div#123");
        assertEquals(2, tags.length);

    public static final String ERRORS_invalid_str_is_included = "{errors.invalid_str_is_included}";

    /** The key of the message: Password is required. */
    public static final String ERRORS_blank_password = "{errors.blank_password}";

    /** The key of the message: Confirm Password does not match. */
    public static final String ERRORS_invalid_confirm_password = "{errors.invalid_confirm_password}";

    }

    protected void install(final Artifact artifact) {
        final String fileName = artifact.getFileName();
        final String url = artifact.getUrl();
        if (StringUtil.isBlank(url)) {
            throw new PluginException("url is blank: " + artifact.getName());
        }
        if (url.startsWith("http:") || url.startsWith("https:")) {
            try (final CurlResponse response = createCurlRequest(url).execute()) {

    }

    protected static String[] getDefaultGroupsAsArray() {
        final String value = ComponentUtil.getFessConfig().getSystemProperty("oic.default.groups");
        if (StringUtil.isBlank(value)) {
            return StringUtil.EMPTY_STRINGS;
        }
        return split(value, ",").get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).toArray(n -> new String[n]));
    }

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String slackWebhookUrls = fessConfig.getSlackWebhookUrls();
        if (StringUtil.isBlank(slackWebhookUrls)) {
            return;
        }
        final String body = toSlackMessage(discloser);
        StreamUtil.split(slackWebhookUrls, "[,\\s]").of(stream -> stream.filter(StringUtil::isNotBlank).forEach(url -> {

                        logger.debug("Loaded KeyMatch Boost Query: {}", boolQuery);
                    }
                    String virtualHost = keyMatch.getVirtualHost();
                    if (StringUtil.isBlank(virtualHost)) {
                        virtualHost = StringUtil.EMPTY;
                    }
                    Map<String, List<Tuple3<String, QueryBuilder, ScoreFunctionBuilder<?>>>> queryMap = keyMatchQueryMap.get(virtualHost);

    public RescorerBuilder<?> evaluate(final Map<String, Object> params) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String modelName = fessConfig.getLtrModelName();
        if (StringUtil.isBlank(modelName)) {
            return null;
        }
        return new QueryRescorerBuilder(new StoredLtrQueryBuilder().modelName(modelName).params(params))
                .windowSize(fessConfig.getLtrWindowSize());
    }

        return output;
    }

    public boolean isUpdated() {
        return newInput != null && newOutput != null;
    }

    public boolean isDeleted() {
        return isUpdated() && StringUtil.isBlank(newInput);
    }

    @Override
    public int hashCode() {
        return Objects.hash(input, output);
    }

    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {

        String title = DocumentUtil.getValue(document, fessConfig.getIndexFieldTitle(), String.class);
        if (StringUtil.isBlank(title)) {
            title = DocumentUtil.getValue(document, fessConfig.getIndexFieldFilename(), String.class);
            if (StringUtil.isBlank(title)) {
                title = DocumentUtil.getValue(document, fessConfig.getIndexFieldUrl(), String.class);
            }
        }

    @PostConstruct
    public void init() {
        logger = LogManager.getLogger(loggerName);
        final String logFormat = ComponentUtil.getFessConfig().getAppAuditLogFormat();
        if (StringUtil.isBlank(logFormat)) {
            useEcsFormat = "docker".equals(System.getenv("FESS_APP_TYPE"));
        } else if ("ecs".equals(logFormat)) {
            useEcsFormat = true;
        }
    }