* Creates a Type-2 message with the specified parameters.
     *
     * @param flags The flags to apply to this message.
     * @param challenge The challenge from the domain controller/server.
     * @param target The authentication target.
     */
    public Type2Message(final int flags, final byte[] challenge, final String target) {
        setFlags(flags);
        setChallenge(challenge);
        setTarget(target);

        offset += 8;

        // Directory flags (4 bytes)
        int flags = 0;
        if (cacheScope == DirectoryCacheScope.RECURSIVE_TREE) {
            flags |= DIRECTORY_LEASE_FLAG_RECURSIVE;
        }
        if (notificationEnabled) {
            flags |= DIRECTORY_LEASE_FLAG_NOTIFICATIONS;
        }
        SMBUtil.writeInt4(flags, buffer, offset);
        offset += 4;

    }

    /**
     * Gets the flags of this DCERPC message
     * @return the message flags
     */
    public int getFlags() {
        return flags;
    }

    /**
     * Check if a specific flag is set.
     * @param flag the flag to check
     * @return whether flag is set
     */
    public boolean isFlagSet(final int flag) {
        return (this.flags & flag) == flag;
    }

    /**
     * Remove flag

     * @param length the number of bytes to lock
     * @param flags the lock flags (combination of SMB2_LOCKFLAG_* constants)
     */
    public Smb2Lock(final long offset, final long length, final int flags) {
        this.offset = offset;
        this.length = length;
        this.flags = flags;

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#size()
     */
    @Override

    public void setFlags(final int flags) {
        this.flags = flags;
    }

    /**
     * Returns the status of the specified flag.
     *
     * @param flag
     *            The flag to test (i.e., <code>NTLMSSP_NEGOTIATE_OEM</code>).
     * @return A <code>boolean</code> indicating whether the flag is set.
     */
    public boolean getFlag(final int flag) {
        return (getFlags() & flag) != 0;
    }

    /**

    @Test
    @DisplayName("Test flag checking with bitwise AND")
    void testFlagChecking() {
        int flags = SecurityInfo.OWNER_SECURITY_INFO | SecurityInfo.DACL_SECURITY_INFO;

        // Test presence of flags
        assertTrue((flags & SecurityInfo.OWNER_SECURITY_INFO) != 0);
        assertTrue((flags & SecurityInfo.DACL_SECURITY_INFO) != 0);

        // Test absence of flags

        final String serverAddress;
        final int flags;
        final long timestamp;

        MockRegistration(String registrationId, String shareName, String serverAddress, int flags) {
            this.registrationId = registrationId;
            this.shareName = shareName;
            this.serverAddress = serverAddress;
            this.flags = flags;
            this.timestamp = System.currentTimeMillis();
        }

      TYPE_DATA -> readData(handler, length, flags, streamId)
      TYPE_HEADERS -> readHeaders(handler, length, flags, streamId)
      TYPE_PRIORITY -> readPriority(handler, length, flags, streamId)
      TYPE_RST_STREAM -> readRstStream(handler, length, flags, streamId)
      TYPE_SETTINGS -> readSettings(handler, length, flags, streamId)
      TYPE_PUSH_PROMISE -> readPushPromise(handler, length, flags, streamId)

	ctxt.Debugvlog = flags.DebugV
	ctxt.Flag_dynlink = *flags.Dynlink
	ctxt.Flag_linkshared = *flags.Linkshared
	ctxt.Flag_shared = *flags.Shared || *flags.Dynlink
	ctxt.Flag_maymorestack = flags.DebugFlags.MayMoreStack
	ctxt.Debugpcln = flags.DebugFlags.PCTab
	ctxt.IsAsm = true
	ctxt.Pkgpath = *flags.Importpath
	ctxt.Std = *flags.Std
	ctxt.DwTextCount = objabi.DummyDwarfFunctionCountForAssembler()
	switch *flags.Spectre {
	default:

            // Check that no two flags overlap (except combined flags)
            for (int i = 0; i < flags.length; i++) {
                for (int j = i + 1; j < flags.length; j++) {
                    assertEquals(0, flags[i] & flags[j], String.format("Flags at index %d and %d should not overlap", i, j));
                }
            }
        }
    }