extractContent(element, currentKey, textBuilder, metadataMap, depth + 1);
        }

        if (node.size() > maxArrayElements) {
            if (logger.isDebugEnabled()) {
                logger.debug("Array at {} has {} elements, only first {} extracted", parentKey, node.size(), maxArrayElements);
            }
        }
    }

    /**

                        throw new UnknownHostException(hostname);
                    }
                    final UniAddress[] addrs = wrapInetAddresses(InetAddress.getAllByName(hostname));
                    if (log.isDebugEnabled()) {
                        log.debug("Resolved '{}' to {} using DNS", hostname, Arrays.toString(addrs));
                    }
                    return addrs; // Success
                default:

            try {
                url = URLDecoder.decode(url, enc);
            } catch (final Exception e) {
                // Failed to decode URL, using original URL as-is
                if (getLogger().isDebugEnabled()) {
                    getLogger().debug("Failed to decode URL with encoding {}: {}", enc, url, e);
                }
            }
        }

        return abbreviateSite(url);
    }

    /**

            return true;
        }

        try {
            pluginManager.checkPrerequisites(pluginDescriptor);
        } catch (PluginIncompatibleException e) {
            if (logger.isDebugEnabled()) {
                logger.warn("Ignoring incompatible plugin version {}:", version, e);
            } else {
                logger.warn("Ignoring incompatible plugin version {}: {}", version, e.getMessage());

                    writer.write(content);
                    writer.write('\n');
                } catch (final Exception e) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Exception in an internal extractor.", e);
                    }
                }
            }
        }
    }

    /**

        }
        final byte[] signature = digest();
        for (int i = 0; i < 8; i++) {
            if (signature[i] != data[offset + SmbConstants.SIGNATURE_OFFSET + i]) {
                if (log.isDebugEnabled()) {
                    log.debug("signature verification failure"); //$NON-NLS-1$
                    log.debug("Expect: " + Hexdump.toHexString(signature, 0, 8));

    }

    @Override
    public QueryBuilder execute(final QueryContext context, final Query query, final float boost) {
        if (query instanceof final TermQuery termQuery) {
            if (logger.isDebugEnabled()) {
                logger.debug("TermQuery: query={}, boost={}", query, boost);
            }
            return convertTermQuery(context, termQuery, boost);
        }

        }
        try {
            NegTokenInit tok = new NegTokenInit(initialToken);
            if (log.isDebugEnabled()) {
                log.debug("Have initial token " + tok);
            }
            if (tok.getMechanisms() != null) {

                .get(stream -> stream.filter(StringUtil::isNotBlank).map(s -> s.trim() + ":").toArray(n -> new String[n]));

        loadProtocols("org.codelibs.fess.net.protocol");

        if (logger.isDebugEnabled()) {
            logger.debug("Web protocols: protocols={}", Arrays.toString(webProtocols));
            logger.debug("File protocols: protocols={}", Arrays.toString(fileProtocols));
        }
    }

    /**

                if (!modelResult.getProblems().isEmpty()) {
                    List<ModelProblem> problems = modelResult.getProblems();
                    if (logger.isDebugEnabled()) {
                        String problem = (problems.size() == 1) ? "problem" : "problems";
                        String problemPredicate = problem + ((problems.size() == 1) ? " was" : " were");