*
     * @param node the XML node to write
     * @param writer the writer to write to
     * @throws IOException if there is an error writing the XML
     */
    protected abstract void doWrite(XmlNode node, Writer writer) throws IOException;

    /**
     * Implementation method for merging two XML nodes.
     *
     * @param dominant the dominant (higher priority) XML node

    }

    /**
     * Returns the value of the field represented by the given {@link Field} for the specified object.
     *
     * @param <T> the type of the field
     * @param field the field (must not be {@literal null})
     * @param target the object from which to extract the field value; {@literal null} if the field is static
     * @return the value represented by the field in the object

     * Inserts a new user across all authentication chains.
     * @param user The user to insert.
     */
    public void insert(final User user) {
        chains().of(stream -> stream.forEach(c -> c.update(user)));
    }

    /**
     * Changes the password for a user across all authentication chains.
     * @param username The username for which to change the password.
     * @param password The new password.

    /**
     * Adds a search log to the queue.
     *
     * @param params The search request parameters.
     * @param requestedTime The time the search was requested.
     * @param queryId The ID of the search query.
     * @param query The search query.
     * @param pageStart The starting page number.
     * @param pageSize The size of the page.
     * @param queryResponseList The list of query responses.
     */

    /**
     * Sets the parameters for this write AndX request.
     *
     * @param fid the file identifier
     * @param offset the file offset at which to write
     * @param remaining the number of bytes remaining to be written
     * @param b the data buffer containing bytes to write
     * @param off the offset in the buffer where data starts
     * @param len the number of bytes to write
     */

        return Collections.unmodifiableList(activations);
    }

    /**
     * Adds a project activation to the request.
     * @param selector The selector of the project.
     * @param active Should the project be activated?
     * @param optional Can the build continue if the project does not exist?
     */
    public void addProjectActivation(String selector, boolean active, boolean optional) {

    /**
     * Creates a RequestHeader entity from form data with user and timestamp information.
     *
     * @param form the form containing the request header data
     * @param username the username of the user performing the operation
     * @param currentTime the current timestamp
     * @return optional entity containing the request header data, or empty if creation fails
     */

    }

    /**
     * Delete the access token.
     * @param accessToken The access token.
     */
    public void delete(final AccessToken accessToken) {

        accessTokenBhv.delete(accessToken, op -> op.setRefreshPolicy(Constants.TRUE));

    }

    /**
     * Set up the list condition.
     * @param cb The callback.
     * @param accessTokenPager The pager for access token.
     */

     * Since RC4 is a stream cipher, the same operation is used for both encryption and decryption.
     *
     * @param src the source data array
     * @param soff the offset in the source array
     * @param slen the length of data to process
     * @param dst the destination array for the result
     * @param doff the offset in the destination array
     */

        this.timestamp = System.currentTimeMillis();
    }

    /**
     * Creates an SMB exception with cause
     *
     * @param message the error message
     * @param errorCode the SMB error code
     * @param severity the error severity
     * @param category the error category
     * @param cause the cause exception
     */
    public SmbException(String message, int errorCode, Severity severity, Category category, Throwable cause) {