* 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.

     * Read into buffer from current position
     *
     * @param b
     *            buffer
     * @return number of bytes read
     * @throws SmbException if an I/O error occurs during read
     */
    int read(byte[] b) throws SmbException;

    /**
     * Read into buffer from current position
     *
     * @param b
     *            buffer
     * @param off
     *            offset into buffer
     * @param len

     * Converts to {@link Integer}.
     *
     * @param o
     *            The object to convert
     * @return The converted {@link Integer}
     */
    public static Integer toInteger(final Object o) {
        return toInteger(o, null);
    }

    /**
     * Converts to {@link Integer}.
     *
     * @param o
     *            The object to convert
     * @param pattern
     *            The pattern string

     *
     * @param parser
     *            The {@link SAXParser} to use. Must not be {@literal null}.
     * @param inputSource
     *            The {@link InputSource} containing the content to be parsed. Must not be {@literal null}.
     * @param handler
     *            The SAX {@link DefaultHandler} to use. Must not be {@literal null}.
     */

     * Each access result is transformed into a document map and added to the document list.
     *
     * @param docList the document list to add processed documents to
     * @param accessResultList the list to track processed access results for cleanup
     * @param arList the list of access results to process
     */

     * ClosingFuture)}.
     *
     * @param <V1> the type returned by the first future
     * @param <V2> the type returned by the second future
     * @param <V3> the type returned by the third future
     * @param <V4> the type returned by the fourth future
     * @param <V5> the type returned by the fifth future
     * @param <U> the type returned by the function
     */

    public DictionaryFile<? extends DictionaryItem>[] getDictionaryFiles() {
        try (CurlResponse response = ComponentUtil.getCurlHelper()
                .get("/_configsync/file")
                .param("fields", "path,@timestamp")
                .param("size", ComponentUtil.getFessConfig().getPageDictionaryMaxFetchSize())
                .execute()) {
            final Map<String, Object> contentMap = response.getContent(OpenSearchCurl.jsonParser());

     * potential NTLM fallback (if the server does not support kerberos).
     *
     * @param subject
     *            represents the user who perform Kerberos authentication. Should at least contain a TGT for the user.
     * @param domain
     *            domain for NTLM fallback
     * @param username
     *            user for NTLM fallback
     * @param password
     *            password for NTLM fallback
     */

            }
        }
        return null;
    }

    /**
     * Gets a DFS referral for the specified path
     * @param trans the SMB transport to use
     * @param domain the domain name
     * @param root the DFS root
     * @param path the path to resolve
     * @param auth the authentication credentials
     * @return a DFS referral or null if not found
     * @throws SmbAuthException if authentication fails

    }

    /**
     * Create rate limiter with custom settings
     *
     * @param maxAttemptsPerAccount max failed attempts per account before lockout
     * @param maxAttemptsPerIp max attempts from single IP
     * @param maxGlobalAttemptsPerMinute max global attempts per minute
     * @param lockoutDuration duration to lock out account/IP
     * @param cleanupInterval interval for cleaning up old entries
     */