}
    }

    @Nested
    @DisplayName("Deprecation Tests")
    class DeprecationTests {

        @Test
        @DisplayName("Handler class should be deprecated")
        void testDeprecatedAnnotation() {
            // Then
            assertTrue(Handler.class.isAnnotationPresent(Deprecated.class));
        }
    }

    @Nested
    @DisplayName("Integration Tests")
    class IntegrationTests {