*/
    public PersistentHandleManager getPersistentHandleManager() {
        return persistentHandleManager;
    }

    /**
     * Select transport for the given message using multi-channel load balancing
     *
     * @param message message to send
     * @return selected transport
     */
    public SmbTransportImpl selectTransport(CommonServerMessageBlockRequest message) {

    /** The key of the message: The URL for the document ID is not found. Cause: {0} */
    public static final String ERRORS_document_not_found = "{errors.document_not_found}";

    /** The key of the message: Could not load from this server. Cause: {0} */
    public static final String ERRORS_not_load_from_server = "{errors.not_load_from_server}";

    /** The key of the message: Failed to start a job: {0}. */

    static boolean ignoreCopyToException;

    static {

        try {
            Class.forName("jcifs.smb1.Config");
        } catch (final ClassNotFoundException cnfe) {
            logger.error("Failed to load jcifs.smb1.Config class", cnfe);
        }
        attrExpirationPeriod = Config.getLong("jcifs.smb1.smb.client.attrExpirationPeriod", DEFAULT_ATTR_EXPIRATION_PERIOD);

    protected Map<String, String> settings;

    /** Path to index configuration resources */
    protected String indexConfigPath = "fess_indices";

    /** List of index configuration files to load */
    protected List<String> indexConfigList = new ArrayList<>();

    /** Map of configuration types to their respective configuration files */
    protected Map<String, List<String>> configListMap = new HashMap<>();