if( append ) {
                fp = file.length();
            }
        }
    }
/**
 * Writes len bytes from the specified byte array starting at
 * offset off to this file output stream.
 *
 * @param b The array 
 * @throws IOException if a network error occurs
 */

    public void write( byte[] b, int off, int len ) throws IOException {

    protected SmbTreeHandleImpl ensureTreeConnected () throws CIFSException {
        return this.file.ensureTreeConnected();
    }


    /**
     * Writes len bytes from the specified byte array starting at
     * offset off to this file output stream.
     *
     * @param b
     *            The array
     * @throws IOException
     *             if a network error occurs
     */

    @Override

     * The first 8 bytes of this are placed in the signature field.
     *
     * @param data
     *            The data.
     * @param offset
     *            The starting offset at which the SMB header begins.
     * @param length
     *            The length of the SMB data starting at offset.
     * @param request
     *            request message
     * @param response
     *            response message
     */

    /**
     *    MD4 basic transformation.
     *    <p>
     *    Transforms context based on 512 bits from input block starting
     *    from the offset'th byte.
     *
     *    @param    block    input sub-array.
     *    @param    offset    starting position of sub-array.
     */
    private void transform (byte[] block, int offset) {

     */
    public SMB1SigningDigest ( byte[] macSigningKey ) {
        this.digest = Crypto.getMD5();
        this.macSigningKey = macSigningKey;
    }


    /**
     * Construct a digest with a non-zero starting sequence number
     * 
     * @param macSigningKey
     * @param initialSequence
     */
    public SMB1SigningDigest ( byte[] macSigningKey, int initialSequence ) {
        this.digest = Crypto.getMD5();

     */
    int getMaxRequestRetries ();


    /**
     * Property <tt>jcifs.smb.client.strictResourceLifecycle</tt> (bool, default false)
     * 
     * If enabled, SmbFile instances starting with their first use will hold a reference to their tree.
     * This means that trees/sessions/connections won't be idle-disconnected even if there are no other active
     * references (currently executing code, file descriptors).

     * The first 8 bytes of this are placed in the signature field.
     *
     * @param data The data.
     * @param offset The starting offset at which the SMB header begins.
     * @param length The length of the SMB data starting at offset. 
     */
    void sign(byte[] data, int offset, int length,
                ServerMessageBlock request, ServerMessageBlock response) {

            fail("Did not recieve notification");
        }
    }


    @Test
    public void testWatchModified () throws InterruptedException, ExecutionException, IOException {
        // samba 4 starting with some version does not seem to handle this correctly :(
        try ( SmbWatchHandle w = this.base