protected function parseLocalizedEras(CldrModel $model)
    {
        $data = [];
        foreach ($model->getRawArray('dates/calendars/calendar[@type="gregorian"]/eras') as $widthType => $eras) {
            foreach ($eras as $eraNodeString => $eraValue) {
                $eraName = $model->getAttributeValue($eraNodeString, 'type');

                $data[$widthType][$eraName] = $eraValue;
            }
        }

        return $data;
    }