* @throws IOException if an I/O error occurs
     */
    public PacDataInputStream(final InputStream in) throws IOException {
        this.dis = new DataInputStream(in);
        this.size = in.available();
    }

    /**
     * Aligns the stream position to the specified boundary.
     * @param mask the alignment mask (typically 2, 4, or 8)
     * @throws IOException if an I/O error occurs
     */

     * @param forceSigning whether to enforce SMB signing
     * @return a connected transport
     * @throws UnknownHostException if the host cannot be resolved
     * @throws IOException if an I/O error occurs
     */
    SmbTransport getSmbTransport(CIFSContext tf, String name, int port, boolean exclusive, boolean forceSigning)
            throws UnknownHostException, IOException;

    /**
     * Get transport connection

     * @throws SmbException if an I/O error occurs
     */
    public long getFilePointer() throws SmbException {
        return fp;
    }

    /**
     * Sets the file pointer to the specified position.
     *
     * @param pos the new file pointer position
     * @throws SmbException if an I/O error occurs
     */
    public void seek(final long pos) throws SmbException {

     * @throws PrompterException if an exception occurs
     */
    @Nonnull
    String promptForPassword(@Nullable String message) throws PrompterException;

    /**
     * Displays a message to the user.
     *
     * @param message the message to display
     * @throws PrompterException if an exception occurs
     */
    void showMessage(@Nullable String message) throws PrompterException;

    /**
     * Close the file
     *
     * @throws SmbException if an I/O error occurs during close
     */
    @Override
    void close() throws SmbException;

    /**
     * Read a single byte from the current position
     *
     * @return read byte, -1 if EOF
     * @throws SmbException if an I/O error occurs during read
     */
    int read() throws SmbException;

    /**

   * close or flush either object.
   *
   * @param from the object to read from
   * @param to the object to write to
   * @return the number of characters copied
   * @throws IOException if an I/O error occurs
   */
  @CanIgnoreReturnValue
  public static long copy(Readable from, Appendable to) throws IOException {
    // The most common case is that from is a Reader (like InputStreamReader or StringReader) so

     * @param off offset into the token array
     * @param len length of token data
     * @return result token
     * @throws SmbException if an SMB protocol error occurs
     * @throws CIFSException if a general CIFS error occurs
     */
    byte[] initSecContext(byte[] token, int off, int len) throws CIFSException;

    /**
     * Gets the NetBIOS name of the remote endpoint.

     *
     * @param ps
     *            {@link PreparedStatement}. Must not be {@literal null}.
     * @return {@link ResultSet}
     * @throws SQLRuntimeException
     *             If a {@link SQLException} occurs.
     */
    public static ResultSet executeQuery(final PreparedStatement ps) throws SQLRuntimeException {
        assertArgumentNotNull("ps", ps);

        try {
            return ps.executeQuery();

   * reader each time it is called.
   *
   * <p>The caller is responsible for ensuring that the returned reader is closed.
   *
   * @throws IOException if an I/O error occurs while opening the reader
   */
  public abstract Reader openStream() throws IOException;

  /**
   * Opens a new {@link BufferedReader} for reading from this source. This method returns a new,

   * reader each time it is called.
   *
   * <p>The caller is responsible for ensuring that the returned reader is closed.
   *
   * @throws IOException if an I/O error occurs while opening the reader
   */
  public abstract Reader openStream() throws IOException;

  /**
   * Opens a new {@link BufferedReader} for reading from this source. This method returns a new,