func PodRedirectionActive(pod *corev1.Pod) bool {
	return pod.GetAnnotations()[annotation.AmbientRedirection.Name] == constants.AmbientRedirectionEnabled
}

func podHasSidecar(pod *corev1.Pod) bool {
	if _, f := pod.GetAnnotations()[annotation.SidecarStatus.Name]; f {
		return true
	}
	return false
}

func IsZtunnelPod(systemNs string, pod *corev1.Pod) bool {

            || containsNullable(invokable.getAnnotatedReturnType().getAnnotations());
        // TODO(cpovirk): Should we also check isNullableTypeVariable?
      }

      @Override
      boolean isNullable(Parameter param) {
        return FROM_DECLARATION_ANNOTATIONS_ONLY.isNullable(param)
            || containsNullable(param.getAnnotatedType().getAnnotations())
            || isNullableTypeVariable(param.getAnnotatedType().getType());

}

// InAmbient returns true if a resource is in ambient data plane mode.
func InAmbient(obj metav1.Object) bool {
	if obj == nil {
		return false
	}
	switch t := obj.(type) {
	case *corev1.Pod:
		return t.GetAnnotations()[annotation.AmbientRedirection.Name] == constants.AmbientRedirectionEnabled
	case *corev1.Namespace:
		if t.GetLabels()["istio-injection"] == "enabled" {
			return false
		}

    return declaration;
  }

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

  @Override
  @CheckForNull
  public <A extends Annotation> A getAnnotation(Class<A> annotationType) {
    checkNotNull(annotationType);
    for (Annotation annotation : annotations) {
      if (annotationType.isInstance(annotation)) {

            });
        });
    }

    private void findAnnotations(NodeWithAnnotations<?> node, AbstractLanguageElement currentElement) {
        for (AnnotationExpr child : node.getAnnotations()) {
            if (child instanceof SingleMemberAnnotationExpr && child.getNameAsString().endsWith("ReplacedBy")) {

	}
	return retval
}

func extractRevisionFromPod(pod *corev1.Pod) string {
	return describe.GetRevisionFromPodAnnotation(pod.GetAnnotations())
}

func injectionDisabled(pod *corev1.Pod) bool {
	inject := pod.ObjectMeta.GetAnnotations()[annotation.SidecarInject.Name]
	if lbl, labelPresent := pod.ObjectMeta.GetLabels()[label.SidecarInject.Name]; labelPresent {
		inject = lbl
	}

    protected void extractAnnotations(final PDDocument doc, final StringWriter writer) {
        for (final PDPage page : doc.getPages()) {
            try {
                for (final PDAnnotation annotation : page.getAnnotations()) {
                    if (annotation instanceof final PDAnnotationFileAttachment annotationFileAttachment) {
                        final PDFileSpecification fileSpec = annotationFileAttachment.getFile();

    FROM_DECLARATION_ANNOTATIONS_ONLY {
      @Override
      boolean isNullable(Invokable<?, ?> invokable) {
        return containsNullable(invokable.getAnnotations());
      }

      @Override
      boolean isNullable(Parameter param) {
        return containsNullable(param.getAnnotations());
      }
    };

    abstract boolean isNullable(Invokable<?, ?> invokable);

    abstract boolean isNullable(Parameter param);

  }

  @Override
  @CheckForNull
  public final <A extends Annotation> A getAnnotation(Class<A> annotationClass) {
    return accessibleObject.getAnnotation(annotationClass);
  }

  @Override
  public final Annotation[] getAnnotations() {
    return accessibleObject.getAnnotations();
  }

  @Override
  public final Annotation[] getDeclaredAnnotations() {

			Name:              un.GetName(),
			Namespace:         un.GetNamespace(),
			Domain:            domain,
			Labels:            un.GetLabels(),
			Annotations:       un.GetAnnotations(),
			ResourceVersion:   un.GetResourceVersion(),
			CreationTimestamp: un.GetCreationTimestamp().Time,
		},
		Spec: data,
	}, nil
}