private static function renderSimpleCheckbox(RenderReadablePropertyValueEvent $event, $property, $extra, $value)
    {
        if ((null !== $event->getRendered())
            || !(!$extra['multiple'] && ('checkbox' === $property->getWidgetType()))
        ) {
            return;
        }

        $map = [false => 'no', true => 'yes'];

        $event->setRendered($event->getEnvironment()->getTranslator()->translate('MSC.' . $map[(bool) $value]));
    }