protected static final String ORDER_RANDOM = "random";

    /**
     * Constructs a new FessUrlQueueService with the specified crawler configuration.
     *
     * @param crawlerConfig the OpenSearch crawler configuration
     */
    public FessUrlQueueService(final OpenSearchCrawlerConfig crawlerConfig) {
        super(crawlerConfig);
    }

    /**

     *
     * @param content the content chunk
     * @param done true if this is the final chunk
     */
    void onChunk(String content, boolean done);

    /**
     * Called when an error occurs during processing.
     *
     * @param phase the phase where the error occurred
     * @param error the error message
     */
    void onError(String phase, String error);

        return 0L;
    }

    /**
     * Updates a specific field of a document in the search index.
     *
     * @param searchEngineClient the search engine client to use for the update
     * @param id the document ID to update
     * @param field the field name to update
     * @param value the new value for the field
     * @return true if the update was successful, false otherwise
     */

            }
        });
    }

    /**
     * Sets the OSDD path.
     *
     * @param osddPath the OSDD path
     */
    public void setOsddPath(final String osddPath) {
        this.osddPath = osddPath;
    }

    /**
     * Sets the encoding.
     *
     * @param encoding the encoding
     */
    public void setEncoding(final String encoding) {
        this.encoding = encoding;

     * Handles both search fields and default field queries with proper range semantics.
     *
     * @param context the query context
     * @param termRangeQuery the term range query to convert
     * @param boost the boost value to apply
     * @return the converted QueryBuilder
     */

        try (CurlResponse response = ComponentUtil.getCurlHelper()
                .post("/_reindex")
                .param("refresh", refresh)
                .param("requests_per_second", requestsPerSecond)
                .param("scroll", scroll)
                .param("max_docs", maxDocs)
                .param("wait_for_completion", Boolean.toString(waitForCompletion))
                .body(source)
                .execute()) {

     * boosts, and role-based access controls.
     *
     * @param searchRequestType the type of search request (e.g., regular search, admin search)
     * @param query the user's search query string
     * @param context a consumer that allows additional customization of the query context
     * @return a fully constructed QueryContext ready for OpenSearch execution

    //                                               Details
    //                                               -------
    /**
     * Show the details page.
     * @param dictId The dictionary ID.
     * @param crudMode The CRUD mode.
     * @param id The ID of the char mapping item.
     * @return The HTML response.
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })

         * For quoted queries on the default field, creates a phrase query instead of a term query.
         *
         * @param field the field to query
         * @param queryText the query text
         * @param quoted whether the query is quoted
         * @return the created Query object
         * @throws ParseException if the query cannot be parsed
         */
        @Override

            request.setAttribute(USER_ROLES, roleSet);
        }
        return roleSet;
    }

    /**
     * Processes the access token.
     * @param request The HTTP request.
     * @param roleSet The set of roles.
     * @param isApiRequest Whether the request is an API request.
     * @return true if the access token is processed, false otherwise.
     */