try {
            return dest.openUnshared(
                SmbConstants.O_CREAT | SmbConstants.O_WRONLY | SmbConstants.O_TRUNC,
                SmbConstants.FILE_WRITE_DATA | SmbConstants.FILE_WRITE_ATTRIBUTES | ( alsoRead ? SmbConstants.FILE_READ_DATA : 0 ),
                SmbConstants.FILE_NO_SHARE,
                attrs,
                0);
        }

            write_andx_resp = new SmbComWriteAndXResponse();
            options = WRITE_OPTIONS;
            access = SmbConstants.FILE_READ_DATA | SmbConstants.FILE_WRITE_DATA;
        } else {
            throw new IllegalArgumentException( "Invalid mode" );
        }
        file.open( openFlags, access, SmbFile.ATTR_NORMAL, options );

        this.file = file;
        this.append = append;
        this.openFlags = openFlags;
        this.sharing = sharing;
        this.access = access | SmbConstants.FILE_WRITE_DATA;

        try ( SmbTreeHandleImpl th = file.ensureTreeConnected() ) {
            this.smb2 = th.isSMB2();
            try ( SmbFileHandleImpl fh = ensureOpen() ) {
                if ( append ) {

                this.write_andx_resp = new SmbComWriteAndXResponse(th.getConfig());
                this.options = WRITE_OPTIONS;
                this.access = SmbConstants.FILE_READ_DATA | SmbConstants.FILE_WRITE_DATA;
            }
            else {
                throw new IllegalArgumentException("Invalid mode");
            }

            try ( SmbFileHandle h = ensureOpen() ) {}