b.n = 0
	return nil
}

// Available returns how many bytes are unused in the buffer.
func (b *Writer) Available() int { return len(b.buf) - b.n }

// AvailableBuffer returns an empty buffer with b.Available() capacity.
// This buffer is intended to be appended to and
// passed to an immediately succeeding [Writer.Write] call.
// The buffer is only valid until the next write operation on b.
func (b *Writer) AvailableBuffer() []byte {

    protected int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {
        this.supportSearchBits = (buffer[bufferIndex] & SMB_SUPPORT_SEARCH_BITS) == SMB_SUPPORT_SEARCH_BITS;
        this.shareIsInDfs = (buffer[bufferIndex] & SMB_SHARE_IS_IN_DFS) == SMB_SHARE_IS_IN_DFS;
        return 2;
    }

    @Override
    protected int readBytesWireFormat(final byte[] buffer, int bufferIndex) {
        final int start = bufferIndex;

    @Override
    protected int readSetupWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, int bufferIndex, final int len) {
        this.available = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;

        assertEquals("DHnQ", new String(request.getName()));
        assertTrue(request.size() > 0);

        // Test encoding
        byte[] buffer = new byte[request.size()];
        int encoded = request.encode(buffer, 0);
        assertEquals(request.size(), encoded);
    }

    @Test
    public void testDurableHandleV2Request() {

        writeLong(buffer, 0, (create + MILLISECONDS_BETWEEN_1970_AND_1601) * 10000L);
        writeLong(buffer, 8, (lastAccess + MILLISECONDS_BETWEEN_1970_AND_1601) * 10000L);
        writeLong(buffer, 16, (lastWrite + MILLISECONDS_BETWEEN_1970_AND_1601) * 10000L);
        writeLong(buffer, 24, (change + MILLISECONDS_BETWEEN_1970_AND_1601) * 10000L);
        writeShort(buffer, 32, attributes);

    }

    @Test
    @DisplayName("writeParametersWireFormat with mock request buffer")
    void testWriteParametersWireFormatWithMock() throws Exception {
        // Given
        String filename = "\\\\server\\share";
        trans2GetDfsReferral = new Trans2GetDfsReferral(mockConfig, filename);

        // Mock the request buffer
        DfsReferralRequestBuffer mockRequest = mock(DfsReferralRequestBuffer.class);

	v := PoolDecommissionInfo{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)
	b.SetBytes(int64(buf.Len()))
	en := msgp.NewWriter(msgp.Nowhere)
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		v.EncodeMsg(en)
	}
	en.Flush()
}

func BenchmarkDecodePoolDecommissionInfo(b *testing.B) {
	v := PoolDecommissionInfo{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)
	b.SetBytes(int64(buf.Len()))

	v := BatchJobKV{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)
	b.SetBytes(int64(buf.Len()))
	en := msgp.NewWriter(msgp.Nowhere)
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		v.EncodeMsg(en)
	}
	en.Flush()
}

func BenchmarkDecodeBatchJobKV(b *testing.B) {
	v := BatchJobKV{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)
	b.SetBytes(int64(buf.Len()))

	v := BatchJobKeyRotateEncryption{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)
	b.SetBytes(int64(buf.Len()))
	en := msgp.NewWriter(msgp.Nowhere)
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		v.EncodeMsg(en)
	}
	en.Flush()
}

func BenchmarkDecodeBatchJobKeyRotateEncryption(b *testing.B) {
	v := BatchJobKeyRotateEncryption{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)

	v := xlMetaDataDirDecoder{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)
	b.SetBytes(int64(buf.Len()))
	en := msgp.NewWriter(msgp.Nowhere)
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		v.EncodeMsg(en)
	}
	en.Flush()
}

func BenchmarkDecodexlMetaDataDirDecoder(b *testing.B) {
	v := xlMetaDataDirDecoder{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)
	b.SetBytes(int64(buf.Len()))