public function getMultilingualSections()
    {
        if ($this->multilingualSections === null) {
            $site = $this->getSite();
            if ($site === null) {
                $this->multilingualSections = [];
            } else {
                $list = [];
                foreach (MultilingualSection::getList($site) as $section) {
                    $list[$section->getCollectionID()] = $section;
                }
                $this->multilingualSections = $list;
            }
        }

        return $this->multilingualSections;
    }