// Given
        int securityMode = 0x03;
        int capabilities = 0x0000000F;
        long previousSessionId = 0x123456789ABCDEF0L;
        byte[] token = { (byte) 0x11, (byte) 0x22, (byte) 0x33, (byte) 0x44, (byte) 0x55, (byte) 0x66, (byte) 0x77, (byte) 0x88 };

        Smb2SessionSetupRequest req = new Smb2SessionSetupRequest(mockContext, securityMode, capabilities, previousSessionId, token);

     */
    public static final byte TRANS2_QUERY_PATH_INFORMATION = (byte) 0x05;
    /**
     * SMB TRANS2 subcommand for getting DFS referrals
     */
    public static final byte TRANS2_GET_DFS_REFERRAL = (byte) 0x10;
    /**
     * SMB TRANS2 subcommand for querying file information
     */
    public static final byte TRANS2_QUERY_FILE_INFORMATION = (byte) 0x07;
    /**
     * SMB TRANS2 subcommand for setting file information

        key8[3] = (byte) (((key7[2] & 0x07) << 4 | (key7[3] & 0xff) >> 4 & 0xff) & 0xff);
        key8[4] = (byte) (((key7[3] & 0x0F) << 3 | (key7[4] & 0xff) >> 5 & 0xff) & 0xff);
        key8[5] = (byte) (((key7[4] & 0x1F) << 2 | (key7[5] & 0xff) >> 6 & 0xff) & 0xff);
        key8[6] = (byte) (((key7[5] & 0x3F) << 1 | (key7[6] & 0xff) >> 7 & 0xff) & 0xff);
        key8[7] = (byte) (key7[6] & 0x7F);
        for (i = 0; i < 8; i++) {

        // Write READ response body
        int dataLength = 20;
        int dataRemaining = 0;
        int dataOffsetFromHeader = 80;

        // Structure size (17 = 0x11)
        SMBUtil.writeInt2(17, buffer, bodyStart);
        // Data offset (byte - offset from header start)
        buffer[bodyStart + 2] = (byte) dataOffsetFromHeader;
        // Reserved

     * DCE/RPC message for NetrDfsEnumEx operation to enumerate DFS entries
     */
    public static class NetrDfsEnumEx extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x15;
        }

        /**
         * Return value from the RPC call
         */
        public int retval;
        /**
         * DFS name to enumerate
         */
        public String dfs_name;

  }

  @GwtIncompatible // Chars.fromByteArray, Chars.toByteArray
  public void testByteArrayRoundTripsFails() {
    assertThrows(IllegalArgumentException.class, () -> Chars.fromByteArray(new byte[] {0x11}));
  }

  public void testEnsureCapacity() {
    assertThat(Chars.ensureCapacity(EMPTY, 0, 1)).isSameInstanceAs(EMPTY);
    assertThat(Chars.ensureCapacity(ARRAY1, 0, 1)).isSameInstanceAs(ARRAY1);

        @DisplayName("Should handle file ID updates")
        void testFileIdUpdates() {
            // Initial file ID
            byte[] initialFileId = new byte[16];
            Arrays.fill(initialFileId, (byte) 0x11);
            request.setFileId(initialFileId);

            byte[] buffer1 = new byte[256];
            request.writeBytesWireFormat(buffer1, 0);

     */
    public static final int FILE_NO_IMTERMEDIATE_BUFFERING = 0x8;
    /**
     * All operations on the file are performed synchronously with alerts
     */
    public static final int FILE_SYNCHRONOUS_IO_ALERT = 0x10;
    /**
     * All operations on the file are performed synchronously without alerts
     */
    public static final int FILE_SYNCHRONOUS_IO_NONALERT = 0x20;
    /**

	err = en.Append(0xac, 0x54, 0x6f, 0x74, 0x61, 0x6c, 0x57, 0x61, 0x69, 0x74, 0x69, 0x6e, 0x67)
	if err != nil {
		return
	}
	err = en.WriteUint32(z.TotalWaiting)
	if err != nil {
		err = msgp.WrapError(err, "TotalWaiting")
		return
	}
	// write "TotalErrorsAvailability"

            // Given - Prepare a valid SMB2 Tree Connect Response buffer
            byte[] buffer = new byte[16];
            // Structure size (16)
            buffer[0] = 0x10;
            buffer[1] = 0x00;
            // Share type (DISK)
            buffer[2] = Smb2TreeConnectResponse.SMB2_SHARE_TYPE_DISK;
            // Reserved
            buffer[3] = 0;