private boolean isFirstPublicClassInHierarchy(CtMethod method, CtClass c) {
        List<CtClass> classesContainingMethod = []

        CtClass current = c
        while (current != null) {
            if (containsMethod(current, method)) {
                classesContainingMethod.add(current)
            } else {
                break
            }
            current = current.getSuperclass()
        }