private function buildAudienceTargeting($targetGroupId, $locale)
    {
        if (!$targetGroupId) {
            return;
        }

        $structure = $this->structureManager->getStructure('excerpt');

        $property = new TranslatedProperty(
            $structure->getProperty('audience_targeting_groups'),
            $locale,
            $this->languageNamespace,
            'excerpt'
        );

        return 'page.[' . $property->getName() . '] = ' . $targetGroupId;
    }