if (content == null) {
            return StringUtil.EMPTY;
        }
        String value = content;
        int pos = value.indexOf("<!--");
        while (pos >= 0) {
            final int lastPos = value.indexOf("-->", pos);
            if (lastPos < 0) {
                break;
            }
            if (pos == 0) {

    default int availableProcessors() {
        final int num = getProcessorsAsInteger();
        if (num > 0) {
            return num;
        }
        return Runtime.getRuntime().availableProcessors();
    }

    Integer getCrawlerHttpThreadPoolSizeAsInteger();

    default int getCrawlerHttpProcessors() {
        final int num = getCrawlerHttpThreadPoolSizeAsInteger();

        private final HttpServletRequest request;

        private final FessConfig fessConfig;

        private int startPosition = -1;

        private int offset = -1;

        private int pageSize = -1;

        /**
         * Constructor for JsonRequestParams.
         * @param request The HTTP servlet request containing the search parameters

            return;
        }
        final int maxMessages = getIntentHistoryMaxMessages();
        final int maxChars = getIntentHistoryMaxChars();

        int remaining = maxChars;
        final int earliest = Math.max(0, history.size() - maxMessages);
        int startIndex = history.size();

        for (int i = history.size() - 1; i >= earliest; i--) {
            final int msgLen = history.get(i).getContent().length();

    protected long facetCacheDuration = 60 * 10L;

    /** Length of text fragment prefix */
    protected int textFragmentPrefixLength;

    /** Length of text fragment suffix */
    protected int textFragmentSuffixLength;

    /** Size of text fragments */
    protected int textFragmentSize;

    /**
     * Initializes the ViewHelper with configuration settings.

        final String content = msg.getContent();
        if (content == null) {
            return null;
        }
        final String omitMarker = "\n...[omitted]...\n";
        final int maxSuffixLen = Math.max(0, maxChars / 4);
        final String suffix = buildSourceTitlesSuffix(msg.getSources(), maxSuffixLen);

        private int testContextMaxChars = 50000;
        private String chatResponseContent;
        private String lastChatPrompt;
        private LlmChatRequest lastChatRequest;
        private StreamChatCapture streamChatCapture;
        private int testIntentHistoryMaxMessages = 6;
        private int testIntentHistoryMaxChars = 3000;
        private int testHistoryMaxChars = 4000;

        source.put("anchor", Arrays.asList("http://a.com", "http://b.com", "http://c.com"));

        final String html = new HtmlIndexExportFormatter().format(source, Collections.emptySet());

        int count = 0;
        int idx = 0;
        while ((idx = html.indexOf("fess:anchor", idx)) != -1) {
            count++;
            idx++;
        }
        assertEquals(3, count);

        }
        try {
            return groupCache.get(id, () -> {
                if (logger.isDebugEnabled()) {
                    logger.debug("[getParentGroup] Loading parent groups for id: {} into cache", id);
                }
                final List<String> groupList = new ArrayList<>();
                final List<String> roleList = new ArrayList<>();

        if (entryDn == null) {
            return null;
        }
        int start = entryDn.toLowerCase(Locale.ROOT).indexOf("cn=");
        if (start == -1) {
            return null;
        }
        start += 3;

        final int end = entryDn.indexOf(',', start);
        final String value = end == -1 ? entryDn.substring(start) : entryDn.substring(start, end);