static final int SHARING_DENY_READ_WRITE_EXECUTE = 0x10;
    static final int SHARING_DENY_WRITE = 0x20;
    static final int SHARING_DENY_READ_EXECUTE = 0x30;
    static final int SHARING_DENY_NONE = 0x40;

    static final int DO_NOT_CACHE = 0x1000; // bit 12
    static final int WRITE_THROUGH = 0x4000; // bit 14

    static final int OPEN_FN_CREATE = 0x10;
    static final int OPEN_FN_FAIL_IF_EXISTS = 0x00;

    static final byte SMB_COM_DELETE = (byte) 0x06;
    static final byte SMB_COM_RENAME = (byte) 0x07;
    static final byte SMB_COM_QUERY_INFORMATION = (byte) 0x08;
    static final byte SMB_COM_WRITE = (byte) 0x0B;
    static final byte SMB_COM_CHECK_DIRECTORY = (byte) 0x10;
    static final byte SMB_COM_TRANSACTION = (byte) 0x25;
    static final byte SMB_COM_TRANSACTION_SECONDARY = (byte) 0x26;
    static final byte SMB_COM_MOVE = (byte) 0x2A;

                groupName = ((src[srcIndex + 16] & 0x80) == 0x80) == true;
                ownerNodeType = (src[srcIndex + 16] & 0x60) >> 5;
                isBeingDeleted = ((src[srcIndex + 16] & 0x10) == 0x10) == true;
                isInConflict = ((src[srcIndex + 16] & 0x08) == 0x08) == true;
                isActive = ((src[srcIndex + 16] & 0x04) == 0x04) == true;

        assertEquals(0x10, SmbConstants.ATTR_DIRECTORY);
    }

    /**
     * Test FLAGS constants.
     */
    @Test
    @DisplayName("FLAGS constants are correct")
    void flagsTest() {
        assertEquals(0x00, SmbConstants.FLAGS_NONE);
        assertEquals(0x08, SmbConstants.FLAGS_PATH_NAMES_CASELESS);
        assertEquals(0x10, SmbConstants.FLAGS_PATH_NAMES_CANONICALIZED);

		[case(200)] DfsEnumArray200 *info200;
		[case(300)] DfsEnumArray300 *info300;
	} DfsEnumInfo;

	typedef struct {
		uint32_t level,
		[switch_is(level)] DfsEnumInfo e;
	} DfsEnumStruct;

	[op(0x15)]
	int NetrDfsEnumEx([in,string,unique] wchar_t dfs_name,
			[in] uint32_t level,
			[in] uint32_t prefmaxlen,
			[in,out,unique] DfsEnumStruct *info,
			[in,out,unique] uint32_t *totalentries);

    }

    @Test
    @DisplayName("addFlags0 combines flags correctly")
    void addFlags0() {
        SmbComNTCreateAndX req = createRequest(0, 0);
        req.addFlags0(0x10);
        int flags0 = (int) getPrivateField(req, "flags0");
        assertTrue((flags0 & 0x10) != 0, "flag should be set after addFlags0");
        // Calling again should combine rather than overwrite
        req.addFlags0(0x20);

        entry.updateChild("file1.txt", 1024L, 1000L, false, 0x20, 500L, 800L);
        entry.updateChild("file2.txt", 2048L, 2000L, false, 0x20, 600L, 900L);
        entry.updateChild("dir1", 0L, 3000L, true, 0x10, 700L, 1000L);

        List<DirectoryCacheEntry.FileInfo> children = entry.getChildren();
        assertEquals(3, children.size());

        // Verify all children are present

        assertEquals(2, written, "writeParametersWireFormat should write exactly 2 bytes");

        // Verify little-endian encoding (0x1234 -> 0x34 0x12)
        assertEquals((byte) 0x34, buf[0], "First byte should be low byte of level");
        assertEquals((byte) 0x12, buf[1], "Second byte should be high byte of level");
    }

    @Test
    @DisplayName("all read* methods return zero")
    void testReadMethodsReturnZero() {

    /**
     * Reserved flag for future use
     */
    int DCERPC_RESERVED_1 = 0x08;
    /**
     * Supports concurrent multiplexing flag
     */
    int DCERPC_CONC_MPX = 0x10; /* supports concurrent multiplexing */
    /**
     * Did not execute flag - indicates request was not executed
     */
    int DCERPC_DID_NOT_EXECUTE = 0x20;
    /**

     */
    public static final int SMB2_LOCKFLAG_UNLOCK = 0x4;

    /**
     * Flag indicating the lock should fail immediately if it cannot be granted.
     */
    public static final int SMB2_LOCKFLAG_FAIL_IMMEDIATELY = 0x10;

    private final long offset;
    private final long length;
    private final int flags;

    /**
     * Constructs an SMB2 lock element with the specified parameters.
     *