int start = dstIndex;

        writeInt2( totalParameterCount, dst, dstIndex );
        dstIndex += 2;
        writeInt2( totalDataCount, dst, dstIndex );
        dstIndex += 2;
        if( command != SMB_COM_TRANSACTION_SECONDARY ) {
            writeInt2( maxParameterCount, dst, dstIndex );
            dstIndex += 2;
            writeInt2( maxDataCount, dst, dstIndex );
            dstIndex += 2;

        SMBUtil.writeInt2(this.totalParameterCount, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt2(this.totalDataCount, dst, dstIndex);
        dstIndex += 2;
        if ( this.getCommand() != SMB_COM_TRANSACTION_SECONDARY ) {
            SMBUtil.writeInt2(this.maxParameterCount, dst, dstIndex);
            dstIndex += 2;
            SMBUtil.writeInt2(this.maxDataCount, dst, dstIndex);

     *
     * @see jcifs.Encodable#encode(byte[], int)
     */
    @Override
    public int encode ( byte[] dst, int dstIndex ) {
        int start = dstIndex;
        SMBUtil.writeInt8(this.timeout, dst, dstIndex);
        dstIndex += 8;
        SMBUtil.writeInt4(this.nameBytes.length, dst, dstIndex);
        dstIndex += 4;

        dst[ dstIndex ] = (byte) ( this.timeoutSpecified ? 0x1 : 0x0 );
        dstIndex++;

    static final int MAX_MESSAGE_SIZE = 0x0001FFFF;
    static final int HEADER_LENGTH = 4;

    static void writeInt2( int val, byte[] dst, int dstIndex ) {
        dst[dstIndex++] = (byte)(( val >> 8 ) & 0xFF );
        dst[dstIndex] = (byte)( val & 0xFF );
    }
    static void writeInt4( int val, byte[] dst, int dstIndex ) {
        dst[dstIndex++] = (byte)(( val >> 24 ) & 0xFF );

        return 0;
    }
    int writeParametersWireFormat( byte[] dst, int dstIndex ) {
        int start = dstIndex;

        writeInt2( fid, dst, dstIndex );
        dstIndex += 2;
        dst[dstIndex++] = (byte)0x00; // Reserved
        dst[dstIndex++] = (byte)0x00; // Reserved
        writeInt4( securityInformation, dst, dstIndex );
        dstIndex += 4;

        return dstIndex - start;
    }

    }


    @Override
    protected int writeSetupWireFormat ( byte[] dst, int dstIndex ) {
        int start = dstIndex;
        SMBUtil.writeInt4(this.completionFilter, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt2(this.fid, dst, dstIndex);
        dstIndex += 2;
        dst[ dstIndex++ ] = this.watchTree ? (byte) 0x01 : (byte) 0x00; // watchTree

	for i := range w.buffer {
		delete(w.buffer, i)
	}
	w.wg.Wait()
	return err
}

type writerAt struct {
	w      *io.PipeWriter
	r      *io.PipeReader
	wg     *sync.WaitGroup
	buffer map[int64][]byte
	err    error

	nextOffset int64
	m          sync.Mutex
}

func (w *writerAt) WriteAt(b []byte, offset int64) (n int, err error) {
	w.m.Lock()
	defer w.m.Unlock()

            return 0;
        }

        SMBUtil.writeInt2(NET_SHARE_ENUM, dst, dstIndex);
        dstIndex += 2;
        System.arraycopy(descr, 0, dst, dstIndex, descr.length);
        dstIndex += descr.length;
        SMBUtil.writeInt2(0x0001, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt2(this.maxDataCount, dst, dstIndex);
        dstIndex += 2;

        return dstIndex - start;

    }


    private static byte[] encode ( byte[] customData, byte[] machineId ) {
        int size = 8 + 8 + 32;
        byte[] enc = new byte[size];
        SMBUtil.writeInt4(size, enc, 0);
        SMBUtil.writeInt4(0, enc, 4);
        System.arraycopy(customData, 0, enc, 8, 8);
        System.arraycopy(machineId, 0, enc, 16, 32);
        return enc;
    }

        int start = dstIndex;
        SMBUtil.writeInt2(this.maxReferralLevel, dst, dstIndex);
        dstIndex += 2;
        byte[] pathBytes = this.path.getBytes(StandardCharsets.UTF_16LE);
        System.arraycopy(pathBytes, 0, dst, dstIndex, pathBytes.length);
        dstIndex += pathBytes.length;
        SMBUtil.writeInt2(0, dst, dstIndex);
        dstIndex += 2; // null terminator