byte[] params = { 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x02, 0x00 };
        response.readParametersWireFormat(params, 0, params.length);

        // Data block: 2 entries
        byte[] data = new byte[100];
        // Entry 1: SHARE1, type 0 (Disk), remark "Remark 1"
        System.arraycopy("SHARE1".getBytes(StandardCharsets.US_ASCII), 0, data, 0, 6);
        data[14] = 0x00;
        data[15] = 0x00; // type = 0

    @Test
    @DisplayName("Multiple reads update offset correctly")
    void testMultipleReadsUpdateOffset() {
        byte[] buffer1 = new byte[] { 0x10, 0x00, 0x00, 0x00 }; // 16
        byte[] buffer2 = new byte[] { 0x20, 0x00, 0x00, 0x00 }; // 32

        response.readParameterWordsWireFormat(buffer1, 0);
        assertEquals(16L, response.getOffset(), "First read should set offset to 16");

        // Simulate groupName = true (0x80), nodeType = 1 (0x20) -> src[srcIndex] = 0xA0
        src[srcIndex] = (byte) 0xA0;
        src[srcIndex + 1] = (byte) 0x00; // Reserved/padding byte

        // Simulate address = 10.0.0.5 (0x0A000005)
        src[srcIndex + 2] = (byte) 0x0A;
        src[srcIndex + 3] = (byte) 0x00;
        src[srcIndex + 4] = (byte) 0x00;
        src[srcIndex + 5] = (byte) 0x05;

        // Prepare buffer with totalParameterCount = 1500
        buffer[bufferIndex] = 0x00;
        buffer[bufferIndex + 1] = 0x00;
        buffer[bufferIndex + 2] = 0x00;
        SMBUtil.writeInt4(1500, buffer, bufferIndex + 3);

        // Fill rest of required fields
        for (int i = 7; i < 37; i++) {
            buffer[bufferIndex + i] = 0x00;
        }

        response.readParameterWordsWireFormat(buffer, bufferIndex);

        byte[] rawBytes = new byte[] { 0x01, 0x02, 0x03, 0x04 }; // Represents 0x04030201 (little-endian)
        AvFlags avFlags = new AvFlags(rawBytes);
        assertNotNull(avFlags, "AvFlags object should not be null");
        assertEquals(0x04030201, avFlags.getFlags(), "Flags should match the raw bytes (little-endian)");

        // Test with zero
        byte[] zeroBytes = new byte[] { 0x00, 0x00, 0x00, 0x00 };

    static final byte[] header = { (byte) 0xFF, (byte) 'S', (byte) 'M', (byte) 'B', (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 };

    static void writeInt2(final long val, final byte[] dst, int dstIndex) {

    private static final int FLAGS_REQUEST_OPLOCK = 0x02;
    private static final int FLAGS_REQUEST_BATCH_OPLOCK = 0x04;

    // Access Mode Encoding for desiredAccess
    private static final int SHARING_COMPATIBILITY = 0x00;
    private static final int SHARING_DENY_READ_WRITE_EXECUTE = 0x10;
    private static final int SHARING_DENY_WRITE = 0x20;

 */
public class NameServiceClientImpl implements Runnable, NameServiceClient {

    private static final int NAME_SERVICE_UDP_PORT = 137;

    static final byte[] UNKNOWN_MAC_ADDRESS = { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 };

    private static final Logger log = LoggerFactory.getLogger(NameServiceClientImpl.class);

    private final Object LOCK = new Object();

    private int nbnsIndex = 0;

        final int start = bufferIndex;

        buffer[bufferIndex] = (byte) 0x00; // Reserved
        bufferIndex++;
        buffer[bufferIndex++] = (byte) 0x00; // Reserved
        buffer[bufferIndex++] = (byte) 0x00; // Reserved

        this.totalParameterCount = SMBUtil.readInt4(buffer, bufferIndex);
        if (this.bufDataStart == 0) {

        buffer[offset + 2] = 0x00;
        buffer[offset + 3] = 0x00;
        buffer[offset + 4] = 0x00;
        buffer[offset + 5] = 0x00;
        buffer[offset + 6] = 0x00;
        buffer[offset + 7] = 0x01;
        // Sub-authority
        SMBUtil.writeInt4(0, buffer, offset + 8);
    }

    private void prepareDaclHeader(byte[] buffer, int offset, int aceCount) {
        buffer[offset] = 0x02; // revision