/**
     * @throws CIFSException
     * 
     */
    void release () throws CIFSException;


    /**
     * @return the file size when it was opened
     */
    long getInitialSize ();

            this.smb2 = th.isSMB2();
            try ( SmbFileHandleImpl fh = ensureOpen() ) {
                if ( append ) {
                    this.fp = fh.getInitialSize();
                }
                init(th);
                if ( !append && this.smb2 ) {
                    // no open option for truncating, need to truncate the file

            try ( SmbFileHandleImpl sfd = src.openUnshared(0, SmbConstants.O_RDONLY, SmbConstants.FILE_SHARE_READ, SmbConstants.ATTR_NORMAL, 0) ) {
                if ( sfd.getInitialSize() == 0 ) {
                    try ( SmbFileHandleImpl edfd = openCopyTargetFile(dest, src.getAttributes(), !write) ) {
                        return;
                    }
                }

            throw new SmbException("Descriptor is no longer valid");
        }
        return this.fileId;
    }


    /**
     * @return the initialSize
     */
    @Override
    public long getInitialSize () {
        return this.initialSize;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbFileHandle#getTree()
     */
    @Override