origin = get_origin(annotation)
    if origin is Union or origin is UnionType:
        return any(field_annotation_is_complex(arg) for arg in get_args(annotation))

    if origin is Annotated:
        return field_annotation_is_complex(get_args(annotation)[0])

    return (
        _annotation_is_complex(annotation)
        or _annotation_is_complex(origin)
        or hasattr(origin, "__pydantic_core_schema__")

        assertTrue((unicodeType1.getFlags() & NtlmFlags.NTLMSSP_NEGOTIATE_UNICODE) != 0);
        // Default is OEM, so both flags are set due to OR operation
        assertTrue((unicodeType1.getFlags() & NtlmFlags.NTLMSSP_NEGOTIATE_OEM) != 0);

        // OEM flag is default when isUseUnicode() is false
        assertTrue((oemType1.getFlags() & NtlmFlags.NTLMSSP_NEGOTIATE_OEM) != 0);

        assertEquals(0x04030201, avFlags.getFlags(), "Flags should match the raw bytes (little-endian)");

        // Test with zero
        byte[] zeroBytes = new byte[] { 0x00, 0x00, 0x00, 0x00 };
        AvFlags zeroAvFlags = new AvFlags(zeroBytes);
        assertNotNull(zeroAvFlags, "AvFlags object should not be null for zero bytes");
        assertEquals(0, zeroAvFlags.getFlags(), "Flags should be 0 for zero bytes");

     *            clear (<code>false</code>) the specified flag.
     */
    public void setFlag(final int flag, final boolean value) {
        setFlags(value ? getFlags() | flag : getFlags() & (0xffffffff ^ flag));
    }

    static int readULong(final byte[] src, final int index) {

        // Act
        lookupSids = new MsrpcLookupSids(mockPolicyHandle, testSids);

        // Assert
        assertTrue((lookupSids.getFlags() & DcerpcConstants.DCERPC_FIRST_FRAG) != 0);
        assertTrue((lookupSids.getFlags() & DcerpcConstants.DCERPC_LAST_FRAG) != 0);
    }

    @Test
    void constructor_shouldPassCorrectCountToSuperclass() throws Exception {
        // Arrange

    }

    @Test
    @DisplayName("Test getFlags returns correct value")
    void testGetFlags() {
        ace.flags = 0x00;
        assertEquals(0x00, ace.getFlags());

        ace.flags = 0xFF;
        assertEquals(0xFF, ace.getFlags());

        ace.flags = ACE.FLAGS_OBJECT_INHERIT | ACE.FLAGS_CONTAINER_INHERIT | ACE.FLAGS_INHERIT_ONLY;
        assertEquals(0x0B, ace.getFlags());
    }

    @Test

    }

    @Test
    @DisplayName("getFlags delegates to underlying mechanism context")
    void testGetFlagsDelegates() {
        SpnegoContext ctx = newContext();
        when(this.mechContext.getFlags()).thenReturn(0xCAFE);
        assertEquals(0xCAFE, ctx.getFlags());
        verify(this.mechContext, times(1)).getFlags();
    }

    @Test

     * clear (<code>false</code>) the specified flag.
     */
    public void setFlag(final int flag, final boolean value) {
        setFlags(value ? getFlags() | flag : getFlags() & (0xffffffff ^ flag));
    }

    static int readULong(final byte[] src, final int index) {
        return src[index] & 0xff | (src[index + 1] & 0xff) << 8 | (src[index + 2] & 0xff) << 16 | (src[index + 3] & 0xff) << 24;
    }

        registration.setFlags(WitnessRegistration.WITNESS_REGISTER_NONE);
        assertEquals(WitnessRegistration.WITNESS_REGISTER_NONE, registration.getFlags());

        registration.setFlags(WitnessRegistration.WITNESS_REGISTER_IP_NOTIFICATION);
        assertEquals(WitnessRegistration.WITNESS_REGISTER_IP_NOTIFICATION, registration.getFlags());
    }

            // When
            Type2Message parsedMessage = new Type2Message(rawMessage);

            // Then
            assertNotNull(parsedMessage);
            assertEquals(originalMessage.getFlags(), parsedMessage.getFlags());
            assertNull(parsedMessage.getChallenge()); // Should be null if all zeros
            assertNull(parsedMessage.getTarget());