MethodNode method = AstUtils.getGeneratedClosureImplMethod(node);
        Boolean isRulesBlock = method.getCode().getNodeMetaData(AST_NODE_METADATA_KEY);
        if (isRulesBlock != null) {
            AnnotationNode markerAnnotation = new AnnotationNode(ANNOTATION_CLASS_NODE);
            node.addAnnotation(markerAnnotation);
        }
    }

    @Override
    public void visitBlockStatement(BlockStatement block) {

    @Override
    public void visitAnnotations(AnnotatedNode node) {
        List<AnnotationNode> annotations = node.getAnnotations();
        if (annotations.isEmpty()) {
            return;
        }
        Map<String, AnnotationNode> tmpAnnotations = new HashMap<String, AnnotationNode>();
        ClassNode annType;
        for (AnnotationNode an : annotations) {
            // skip built-in properties

        returnType?.typeArguments ?: emptyList()
    )


private
inline fun <reified AnnotationType : Any> List<AnnotationNode>?.has() =
    has(Type.getDescriptor(AnnotationType::class.java))


private
fun List<AnnotationNode>?.has(annotationTypeDescriptor: String) =
    this?.any { it.desc == annotationTypeDescriptor } ?: false


private