/**
     * The SMB authentication holder.
     */
    protected volatile SmbAuthenticationHolder smbAuthenticationHolder;

    /**
     * The CIFS context.
     */
    protected CIFSContext cifsContext;

    /**
     * Creates a new SmbClient instance.
     */
    public SmbClient() {
        super();
    }

    /**
    * Initializes the SMB client.

    protected BaseContext cifsContext;

    /**
     * Constructs a JcifsEngine with the specified properties.
     *
     * @param props the properties for configuring the CIFS context
     * @throws CrawlingAccessException if an error occurs during initialization
     */
    public JcifsEngine(final Properties props) {
        try {
            cifsContext = new BaseContext(new PropertyConfiguration(props));