public AttributeInfo copy(ConstPool newCp, Map classnames) {
        Copier copier = new Copier(info, constPool, newCp, classnames);
        try {
            copier.parameters();
            return new ParameterAnnotationsAttribute(newCp, getName(),
                                                     copier.close());
        }
        catch (Exception e) {
            throw new RuntimeException(e.toString());
        }
    }