private int maxMpxCount;
    private int snd_buf_size;
    private int recv_buf_size;
    private int tx_buf_size;

    private int capabilities;
    private final int sessionKey = 0x00000000;
    private boolean useUnicode;

    /**
     * Creates a new SMB1 negotiate response.
     *
     * @param ctx the CIFS context
     */
    public SmbComNegotiateResponse(final CIFSContext ctx) {

    /**
     * Directory lease flag for recursive caching
     */
    public static final int DIRECTORY_LEASE_FLAG_RECURSIVE = 0x00000001;

    /**
     * Directory lease flag for enabling notifications
     */
    public static final int DIRECTORY_LEASE_FLAG_NOTIFICATIONS = 0x00000002;

    private Smb2LeaseKey leaseKey;
    private int leaseState;
    private DirectoryCacheScope cacheScope;
    private long maxCacheAge;

     */

    /** The operation completed successfully */
    int NT_STATUS_SUCCESS = 0x00000000;
    /** The request is pending */
    int NT_STATUS_PENDING = 0x00000103;
    /** A notify change request is being completed and information is being returned */
    int NT_STATUS_NOTIFY_ENUM_DIR = 0x0000010C;
    /** The data was too large to fit into the specified buffer */
    int NT_STATUS_BUFFER_OVERFLOW = 0x80000005;

        // Then
        assertEquals(16, bytesRead);
        assertEquals(wireData.length, bytesRead);
        assertEquals((byte) 0x01, response.getShareType());
        assertEquals(0x00000001, response.getShareFlags());
        assertEquals(0x00000008, response.getCapabilities());
        assertEquals(0x001F01FF, response.getMaximalAccess());
    }

    @Test
    @DisplayName("Should not modify buffer during write operation")

    Failure in SSL library, usually a protocol error
        error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake
        failure (external/openssl/ssl/s23_clnt.c:770 0x7f2728a53ea0:0x00000000)
    at com.android.org.conscrypt.NativeCrypto.SSL_do_handshake(Native Method)
```

You can check a web server's configuration using [Qualys SSL Labs][qualys]. OkHttp's TLS

     */
    private static byte[] buildSmb2Header() {
        byte[] header = Arrays.copyOf(SMBUtil.SMB2_HEADER, SMBUtil.SMB2_HEADER.length);
        // Mark as server->client response for realism
        SMBUtil.writeInt4(0x00000001, header, 16); // Flags
        // Command SMB2_CREATE (0x0005)
        SMBUtil.writeInt2(0x0005, header, 12);
        // Some message id
        SMBUtil.writeInt8(1L, header, 24);
        return header;
    }

        // Write Command = SMB2_IOCTL (0x000B) at offset 12
        SMBUtil.writeInt2(0x000B, hdr, 12);
        // Mark as server response to be realistic (optional)
        SMBUtil.writeInt4(0x00000001, hdr, 16); // Flags = SMB2_FLAGS_SERVER_TO_REDIR
        return hdr;
    }

    // Helper: build SMB2 IOCTL response body (without header) with structureSize=49

     * block is automatically generated from the ntstatus package.
     */

    /** The operation completed successfully */
    int NT_STATUS_SUCCESS = 0x00000000;
    /** The requested operation was unsuccessful */
    int NT_STATUS_UNSUCCESSFUL = 0xC0000001;
    /** The requested operation is not implemented */
    int NT_STATUS_NOT_IMPLEMENTED = 0xC0000002;
    /** The specified information class is invalid */

    }

    @Test
    @DisplayName("Test file attributes setter")
    void testSetFileAttributes() {
        request = new Smb2CreateRequest(mockConfig, "test.txt");

        int attributes = 0x00000020; // FILE_ATTRIBUTE_ARCHIVE
        request.setFileAttributes(attributes);

        byte[] buffer = new byte[1024];
        request.writeBytesWireFormat(buffer, 0);

        assertEquals(null, storedFileId);
    }

    @Test
    @DisplayName("setCloseFlags should update close flags")
    void testSetCloseFlags() throws Exception {
        int testFlags = 0x00000001; // SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB
        request.setCloseFlags(testFlags);

        Field closeFlagsField = Smb2CloseRequest.class.getDeclaredField("closeFlags");
        closeFlagsField.setAccessible(true);