int FLAGS_OPLOCK_REQUESTED_OR_GRANTED = 0x20;
    /** Notify of modify action flag */
    int FLAGS_NOTIFY_OF_MODIFY_ACTION = 0x40;
    /** Response flag */
    int FLAGS_RESPONSE = 0x80;

    /** No flags2 set */
    int FLAGS2_NONE = 0x0000;
    /** Long filenames supported flag */
    int FLAGS2_LONG_FILENAMES = 0x0001;
    /** Extended attributes supported flag */

        }
    }

    void send(final ServerMessageBlock request, final ServerMessageBlock response) throws SmbException {

        connect(); /* must negotiate before we can test flags2, useUnicode, etc */

        request.flags2 |= flags2;
        request.useUnicode = useUnicode;
        request.response = response; /* needed by sign */
        if (request.digest == null) {

        final String str = errorCode == 0 ? "0" : SmbException.getMessageByCode(errorCode);
        return "command=" + c + ",received=" + received + ",errorCode=" + str + ",flags=0x" + Hexdump.toHexString(flags & 0xFF, 4)
                + ",flags2=0x" + Hexdump.toHexString(flags2, 4) + ",signSeq=" + signSeq + ",tid=" + tid + ",pid=" + pid + ",uid=" + uid
                + ",mid=" + mid + ",wordCount=" + wordCount + ",byteCount=" + byteCount;
    }

        }

        @Test
        @DisplayName("Test flags property")
        void testFlagsProperty() {
            testBlock.setFlags((byte) 0x12);
            assertEquals((byte) 0x12, testBlock.getFlags());
        }

        @Test
        @DisplayName("Test flags2 property")
        void testFlags2Property() {
            testBlock.setFlags2(0x1234);

     * @return the flags2
     */
    public final int getFlags2() {
        return this.flags2;
    }

    /**
     * Sets the SMB message flags2 field
     * @param fl
     *            the flags2 to set
     */
    public final void setFlags2(final int fl) {
        this.flags2 = fl;
    }

    /**
     * Adds flags to the flags2 field using bitwise OR
     * @param fl flags to add
     */

     */
    @Override
    public int getSendBufferSize() {
        return this.snd_buf_size;
    }

    /**
     * Gets the negotiated flags2 value.
     *
     * @return negotiated flags2
     */
    public int getNegotiatedFlags2() {
        return this.negotiatedFlags2;
    }

    /**
     * {@inheritDoc}
     *

    private void setNegotiatedFlags2(SmbComNegotiateResponse response, int flags2) {
        try {
            Field field = response.getClass().getDeclaredField("negotiatedFlags2");
            field.setAccessible(true);
            field.set(response, flags2);
        } catch (Exception e) {
            throw new RuntimeException("Failed to set negotiatedFlags2 field", e);
        }

    }

    @Test
    @DisplayName("Test initDefaults with pre-set flags2 and capabilities")
    void testInitDefaultsWithPresetFlags() throws CIFSException {
        BaseConfiguration testConfig = new BaseConfiguration(false);
        testConfig.flags2 = 0x1234;
        testConfig.capabilities = 0x5678;

        testConfig.initDefaults();

        AvFlags flags1 = new AvFlags(0x11111111);
        AvFlags flags2 = new AvFlags(0x22222222);
        pairs.add(flags1);
        pairs.add(new AvTimestamp(new byte[8]));
        pairs.add(flags2);

        AvPair result = AvPairs.get(pairs, AvPair.MsvAvFlags);
        assertNotNull(result, "Should find the pair");
        assertEquals(flags1, result, "Should return first occurrence");
    }

        // Test with RECURSIVE_TREE scope (recursive flag set)
        DirectoryLeaseContext context2 = new DirectoryLeaseContext(key, 0, DirectoryCacheScope.RECURSIVE_TREE);
        context2.setNotificationEnabled(true);

        byte[] buffer2 = new byte[context2.size()];
        context2.encode(buffer2, 0);

        int flags2 = SMBUtil.readInt4(buffer2, 68);