throw new SmbException("Unsupported");
        }
    }

    @Override
    int getBatchLimit(final byte command) {
        return command == SMB_COM_TREE_CONNECT_ANDX ? BATCH_LIMIT : 0;
    }

    @Override
    int writeParameterWordsWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        writeInt2(session.transport.snd_buf_size, dst, dstIndex);
        dstIndex += 2;

     * @param len the number of bytes to write
     * @param andx the next command in the AndX chain, or null
     */
    public SmbComWriteAndX(final Configuration config, final int fid, final long offset, final int remaining, final byte[] b, final int off,
            final int len, final ServerMessageBlock andx) {
        super(config, SMB_COM_WRITE_ANDX, andx);
        this.fid = fid;
        this.offset = offset;
        this.remaining = remaining;

     * Build a SESSION_SETUP response body with specified flags and security blob.
     * securityBufferOffset is set relative to header start.
     */
    private void buildSessionSetupBody(byte[] buf, int headerStart, int bodyStart, int sessionFlags, int secBufOffset, byte[] blob) {
        // StructureSize (must be 9)
        SMBUtil.writeInt2(9, buf, bodyStart);
        // SessionFlags at +2
        SMBUtil.writeInt2(sessionFlags, buf, bodyStart + 2);

     */
    @Override
    public int size() {
        return size8(Smb2Constants.SMB2_HEADER_LENGTH + 8 + this.path.length() * 2);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#writeBytesWireFormat(byte[], int)
     */
    @Override
    protected int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

     * @param length the number of hex digits to convert
     * @return the integer value of the hex digits
     */
    public static int hex_to_bin(final char[] arr, final int offset, final int length) {
        int value = 0;
        int ai, count;

        count = 0;
        for (ai = offset; ai < arr.length && count < length; ai++) {
            value <<= 4;
            switch (arr[ai]) {

    /**
     * SID type indicating a local group or alias.
     */
    public static final int SID_TYPE_ALIAS = lsarpc.SID_NAME_ALIAS;
    /**
     * SID type indicating a well-known group.
     */
    public static final int SID_TYPE_WKN_GRP = lsarpc.SID_NAME_WKN_GRP;
    /**
     * SID type indicating a deleted account.
     */

  @CanIgnoreReturnValue
  @Override
  public int add(@ParametricNullness E element, int occurrences) {
    throw new UnsupportedOperationException();
  }

  @CanIgnoreReturnValue
  @Override
  public final boolean remove(@Nullable Object element) {
    return remove(element, 1) > 0;
  }

  @CanIgnoreReturnValue
  @Override
  public int remove(@Nullable Object element, int occurrences) {

    private final Semaphore credits = new Semaphore(1, true);

    private final int desiredCredits = 512;

    private byte[] preauthIntegrityHash = new byte[64];
    private final Object preauthHashLock = new Object();

    SmbTransportImpl(final CIFSContext tc, final Address address, final int port, final InetAddress localAddr, final int localPort,
            final boolean forceSigning) {
        this.transportContext = tc;

     */
    @Override
    protected int writeBytesWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#readBytesWireFormat(byte[], int)
     */
    @Override
    protected int readBytesWireFormat(final byte[] buffer, final int bufferIndex) throws SMBProtocolDecodingException {

class ValidateNegotiateInfoRequestTest {

    private static final int DEFAULT_CAPABILITIES = 0x12345678;
    private static final int DEFAULT_SECURITY_MODE = 0x0003;
    private byte[] defaultClientGuid;
    private int[] defaultDialects;

    @BeforeEach
    void setUp() {
        // Initialize default GUID (16 bytes)
        defaultClientGuid = new byte[16];
        for (int i = 0; i < 16; i++) {