*         <code>false</code> otherwise
     * @throws CIFSException if an error occurs accessing the resource
     */
    boolean exists() throws CIFSException;

    /**
     * Fetch a child resource
     *
     * @param name the name of the child resource to resolve
     * @return the child resource
     * @throws CIFSException if an error occurs accessing the resource
     */

     * @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 {

   * 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

     *
     * @throws CIFSException if an error occurs opening the file
     */
    public void open() throws CIFSException {
        try (SmbFileHandleImpl fh = ensureOpen()) {}
    }

    /**
     * Closes this output stream and releases any system resources associated
     * with it.
     *
     * @throws IOException
     *             if a network error occurs
     */

    @Override

     * with it.
     *
     * @throws IOException if a network error occurs
     */

    @Override
    public void close() throws IOException {
        file.close();
        tmp = null;
    }

    /**
     * Writes the specified byte to this file output stream.
     *
     * @throws IOException if a network error occurs
     */

    @Override

   * 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,

     * @throws IOException if an I/O error occurs
     */
    protected abstract void makeKey(Request request) throws IOException;

    /**
     * Reads and returns the key of the next message without consuming it.
     *
     * @return the request key of the next message
     * @throws IOException if an I/O error occurs
     */
    protected abstract Request peekKey() throws IOException;

    /**

     *             if a network error occurs
     */

    @Override
    public int read(final byte[] b) throws IOException {
        return read(b, 0, b.length);
    }

    /**
     * Reads up to len bytes of data from this input stream into an array of bytes.
     *
     * @throws IOException
     *             if a network error occurs
     */

    @Override

     *            taking place.
     * @param flags the flags to use for the Type-3 message
     * @throws GeneralSecurityException if a cryptographic error occurs
     * @throws CIFSException if a CIFS protocol error occurs
     */
    public Type3Message(final CIFSContext tc, final Type2Message type2, final String targetName, final String password, final String domain,