public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) {
    return getAnnotation(annotationType) != null;
  }

  @Override
  public <A extends Annotation> @Nullable A getAnnotation(Class<A> annotationType) {
    checkNotNull(annotationType);
    for (Annotation annotation : annotations) {
      if (annotationType.isInstance(annotation)) {
        return annotationType.cast(annotation);
      }
    }
    return null;

    }

    // Test annotation with empty keys
    @Test
    public void test_annotationWithEmptyKeys() {
        final CustomSize emptyKeysAnnotation = new CustomSize() {
            @Override
            public Class<? extends Annotation> annotationType() {
                return CustomSize.class;
            }

        assertEquals("Annotation type should be UriType", UriType.class, customAnnotation.annotationType());
    }

    // Test annotation with FILE protocol type
    @Test
    public void test_annotationWithFileProtocolType() {
        final UriType fileAnnotation = new UriType() {
            @Override
            public Class<? extends Annotation> annotationType() {
                return UriType.class;
            }

        }
    }

    private CustomSize createBasicAnnotation() {
        return new CustomSize() {
            @Override
            public Class<? extends Annotation> annotationType() {
                return CustomSize.class;
            }

            @Override
            public String message() {
                return "Size validation failed";
            }

        assertArgumentNotNull("annotation", annotation);

        final Map<String, Object> map = newHashMap();
        final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(annotation.annotationType());
        for (final String name : beanDesc.getMethodNames()) {
            final Object v = getProperty(beanDesc, annotation, name);
            if (v != null) {
                map.put(name, v);
            }

        return (isIncubating(interf) && !isIncubating(c)) || isInternal(interf)
    }

    private boolean isIncubating(CtClass c) {
        return c.annotations.any { it.annotationType().name == 'org.gradle.api.Incubating' }
    }

   */
  private static TesterRequirements buildTesterRequirements(Annotation testerAnnotation)
      throws ConflictingRequirementsException {
    Class<? extends Annotation> annotationClass = testerAnnotation.annotationType();
    Feature<?>[] presentFeatures;
    Feature<?>[] absentFeatures;
    try {
      presentFeatures = (Feature<?>[]) annotationClass.getMethod("value").invoke(testerAnnotation);

   */
  private static TesterRequirements buildTesterRequirements(Annotation testerAnnotation)
      throws ConflictingRequirementsException {
    Class<? extends Annotation> annotationClass = testerAnnotation.annotationType();
    Feature<?>[] presentFeatures;
    Feature<?>[] absentFeatures;
    try {
      presentFeatures = (Feature<?>[]) annotationClass.getMethod("value").invoke(testerAnnotation);

  }

  private static boolean containsNullable(Annotation[] annotations) {
    for (Annotation annotation : annotations) {
      if (NULLABLE_ANNOTATION_SIMPLE_NAMES.contains(annotation.annotationType().getSimpleName())) {
        return true;
      }
    }
    return false;
  }

  private boolean isIgnored(Member member) {
    return member.isSynthetic()

  }

  private static boolean containsNullable(Annotation[] annotations) {
    for (Annotation annotation : annotations) {
      if (NULLABLE_ANNOTATION_SIMPLE_NAMES.contains(annotation.annotationType().getSimpleName())) {
        return true;
      }
    }
    return false;
  }

  private boolean isIgnored(Member member) {
    return member.isSynthetic()