class TestPropertyTypeResolver implements PropertyTypeResolver {
    public static final PropertyTypeResolver INSTANCE = new TestPropertyTypeResolver()

    @Nullable
    @Override
    Class<? extends Annotation> resolveAnnotationType(Map<AnnotationCategory, Annotation> propertyAnnotations) {
        propertyAnnotations.get(AnnotationCategory.TYPE)?.annotationType()
    }

import java.util.Map;

/**
 * Resolves the type of the property, denoted by an annotation.
 */
public interface PropertyTypeResolver {
    @Nullable
    Class<? extends Annotation> resolveAnnotationType(Map<AnnotationCategory, Annotation> propertyAnnotations);

import java.lang.annotation.Annotation;
import java.util.Map;

public class DefaultPropertyTypeResolver implements PropertyTypeResolver {
    @Nullable
    @Override
    public Class<? extends Annotation> resolveAnnotationType(Map<AnnotationCategory, Annotation> propertyAnnotations) {
        Annotation typeAnnotation = propertyAnnotations.get(AnnotationCategory.TYPE);
        if (typeAnnotation != null) {

            Map<AnnotationCategory, Annotation> propertyAnnotations = propertyAnnotationMetadata.getAnnotations();
            Class<? extends Annotation> propertyType = propertyTypeResolver.resolveAnnotationType(propertyAnnotations);
            if (propertyType == null) {
                missingPropertyAnnotationHandler.handleMissingPropertyAnnotation(validationContext, propertyAnnotationMetadata, displayName);