return null;
    }

    /**
     * Processes a document through the ingest pipeline if an ingest factory is available.
     * Applies all configured ingesters to transform and enrich the document data.
     *
     * @param accessResult the access result containing document metadata
     * @param map the document data map to process
     * @return the processed document map after applying all ingesters
     */

                var itemId = document.getElementById("itemId")
                var token = document.getElementById("token")
                ws = new WebSocket("ws://localhost:8000/items/" + itemId.value + "/ws?token=" + token.value);
                ws.onmessage = function(event) {
                    var messages = document.getElementById('messages')
                    var message = document.createElement('li')

    }

    /**
     * Gets the display title for a document.
     * Falls back to filename or URL if title is not available.
     * Applies highlighting if enabled.
     *
     * @param document the document data map
     * @return the content title with optional highlighting
     */
    public String getContentTitle(final Map<String, Object> document) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

    }

    /**
     * Retrieves a document from the search index by its ID.
     *
     * @param searchEngineClient the search engine client to use for retrieval
     * @param id the document ID to retrieve
     * @param fields the fields to include in the response (null for all fields)
     * @return the document as a map of field names to values, or null if not found
     */

        }

    }

    /**
     * Processes a document through the ingest pipeline.
     * Applies all available ingesters to transform the document data.
     *
     * @param paramMap the data store parameters
     * @param dataMap the document data to process
     * @return the processed document data
     */

                var messages = document.getElementById('messages')
                var message = document.createElement('li')
                var content = document.createTextNode(event.data)
                message.appendChild(content)
                messages.appendChild(message)
            };
            function sendMessage(event) {
                var input = document.getElementById("messageText")

        }
    }

    /**
     * Extracts anchor URLs from the HTML document.
     *
     * @param document the parsed HTML document
     * @param responseData the response data from crawling
     * @return list of anchor URLs found in the document
     */
    protected List<String> getAnchorList(final Document document, final ResponseData responseData) {
        List<RequestData> anchorList = new ArrayList<>();

    /**
     * Gets the base href from the document's BASE tag.
     *
     * @param document the document to extract base href from
     * @return the base href URL, or null if not found
     */
    protected String getBaseHref(final Document document) {
        try {
            final XPathNodes list = getXPathAPI().selectNodeList(document, "//BASE");
            if (list.size() > 0) {
                final Node node = list.get(0);

import jakarta.annotation.PostConstruct;

/**
 * Helper class for document processing and manipulation in the Fess search system.
 * This class provides utilities for processing document content, titles, and digests,
 * handling text normalization, content extraction, and similar document hash encoding/decoding.
 * It also manages document processing requests and integrates with the crawler system.
 *
 */

# Patterns to exclude for file search processing.
crawler.document.file.default.exclude.search.patterns=

# cache

# Whether document cache is enabled.
crawler.document.cache.enabled=true
# Maximum size (bytes) for document cache.
crawler.document.cache.max.size=2621440
# Supported MIME types for document cache.
crawler.document.cache.supported.mimetypes=text/html