* Starts a new thread for the crawler and optionally waits for its termination.
     * @return The session ID of the crawling process.
     */
    public String execute() {
        if (logger.isInfoEnabled()) {
            logger.info("Starting crawler execution: sessionId={}, background={}, daemon={}", crawlerContext.sessionId, background, daemon);
        }

    private static final String S2C_SIGN_CONSTANT = "session key to server-to-client signing key magic constant";
    private static final String S2C_SEAL_CONSTANT = "session key to server-to-client sealing key magic constant";

    private static final String C2S_SIGN_CONSTANT = "session key to client-to-server signing key magic constant";

     *
     * @return the process ID
     */
    public int getPid() {
        return this.pid;
    }

    /**
     * Returns the starting byte offset of the lock range.
     *
     * @return the starting byte offset
     */
    public long getByteOffset() {
        return this.byteOffset;
    }

    /**
     * Returns the byte length of the lock range.
     *

    }

    /**
     * Creates a security descriptor by decoding from a byte buffer.
     *
     * @param buffer the byte buffer containing the security descriptor data
     * @param bufferIndex the starting offset in the buffer
     * @param len the length of data to decode
     * @throws IOException if an I/O error occurs during decoding
     */

        return new String(c);
    }

    /**
     * Converts a byte array to a hexadecimal string representation.
     *
     * @param src the source byte array to convert
     * @param srcIndex the starting index in the source array
     * @param size the number of characters in the resulting hex string
     * @return a hexadecimal string representation of the byte array
     */

     */
    @Override
    public Tuple3<String, String, String> createTask(final String path, final Map<String, Object> docMap) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String thumbnailId = DocumentUtil.getValue(docMap, fessConfig.getIndexFieldId(), String.class);
        final Tuple3<String, String, String> task = new Tuple3<>(getName(), thumbnailId, path);

    }

    /**
     * Generates a unique identifier string by creating a UUID and removing hyphens.
     *
     * @return a unique identifier string
     */
    public String generateId() {
        return UUID.randomUUID().toString().replace("-", StringUtil.EMPTY);
    }

    /**
     * Adds a boost function to modify document scoring during search.

     */
    @Override
    public void setFullUNCPath(final String domain, final String server, final String fullPath) {
        this.domain = domain;
        this.server = server;
        this.fullPath = fullPath;
    }

    /**
     * @param path
     *            the path to set
     */
    @Override
    public final void setPath(final String path) {

     */
    public SearchForm() {
    }

    /**
     * The URL expression field for boost document configuration.
     */
    public String urlExpr;

    /**
     * The boost expression field for document scoring.
     */
    public String boostExpr;

        advance(i - this.index);
    }

    /**
     * Decodes a string from NDR format.
     *
     * @return the decoded string
     * @throws NdrException if decoding fails
     */
    public String dec_ndr_string() throws NdrException {
        align(4);
        int i = this.index;
        String val = null;
        int len = Encdec.dec_uint32le(this.buf, i);
        i += 12;