*
     * @param dictId identifier of the dictionary to upload mapping for
     * @param form upload form containing the file and metadata
     * @return JSON response indicating the API result status
     */
    // PUT /api/admin/dict/mapping/upload/{dictId}
    @Execute
    public JsonResponse<ApiResult> put$upload(final String dictId, final UploadForm form) {
        form.dictId = dictId;

    protected Set<String> highlightedQuerySet = null;

    /** Map storing field names and their associated query terms for logging. */
    protected Map<String, List<String>> fieldLogMap = null;

    /** Flag indicating whether role-based query filtering should be disabled. */
    protected boolean disableRoleQuery = false;

    /** The default field to search in when no specific field is specified. */
    protected String defaultField = null;

    }

    /**
     * Deletes a document by ID from the search index.
     *
     * @param id the document ID to delete
     * @return JSON response indicating success or failure
     */
    // DELETE /api/admin/searchlist/doc/{doc_id}
    @Execute
    public JsonResponse<ApiResult> delete$doc(final String id) {
        try {

    private static final Logger logger = LogManager.getLogger(ESSourceReader.class);

    /** Queue of documents. */
    protected final Queue<Map<String, Object>> queue = new ConcurrentLinkedQueue<>();
    /** Flag indicating if reading is finished. */
    protected final AtomicBoolean isFinished = new AtomicBoolean(false);

    /** OpenSearch client. */
    protected final Client client;
    /** Suggest settings. */

     * and then replacing the original file upon successful commit.
     */
    protected class SynonymUpdater implements Closeable {

        /** A flag indicating whether the changes have been committed. */
        protected boolean isCommit = false;

        /** The temporary file to write changes to. */
        protected File newFile;

    @Resource
    protected SystemHelper systemHelper;

    /** Helper for document indexing operations */
    @Resource
    protected IndexingHelper indexingHelper;

    /** Flag indicating if crawling should be finished */
    protected boolean finishCrawling = false;

    /** Total execution time in milliseconds */
    protected long executeTime;

    /** Total number of processed documents */

    /**
     * AES-256-GCM cipher identifier for SMB3.1.1 encryption (future support)
     */
    public static final int CIPHER_AES_256_GCM = 0x0004;

    /**
     * Transform header flag indicating the message is encrypted
     */
    public static final int TRANSFORM_FLAG_ENCRYPTED = 0x0001;

    /**
     * Create encryption context
     *
     * @param cipherId

    /**
     * List of listeners for connection events.
     */
    protected List<OnConnectListener> onConnectListenerList = new CopyOnWriteArrayList<>();

    /**
     * Flag indicating whether the client is connected.
     */
    private volatile boolean connected;

    /**
     * Scroll for delete operations.
     */

    protected CrawlerClientFactory clientFactory;

    /**
     * Context object containing crawler state and configuration.
     */
    protected CrawlerContext crawlerContext;

    /**
     * Flag indicating whether to wait on folder operations.
     */
    protected boolean noWaitOnFolder = false;

    /**
     * Increments the active thread count.
     */
    protected void startCrawling() {

         * the andx command will not be written and therefore the
         * response will not read a batched command and therefore
         * the 'received' member of the response object will not
         * be set to true indicating the send and sendTransaction
         * methods that the next part should be sent. This is a
         * very indirect and simple batching control mechanism.
         */