private function getCardinalities()
{
return ['articleBody' => CardinalitiesExtractor::CARDINALITY_0_1, 'articleSection' => CardinalitiesExtractor::CARDINALITY_0_N, 'author' => CardinalitiesExtractor::CARDINALITY_0_1, 'datePublished' => CardinalitiesExtractor::CARDINALITY_UNKNOWN, 'headline' => CardinalitiesExtractor::CARDINALITY_UNKNOWN, 'isFamilyFriendly' => CardinalitiesExtractor::CARDINALITY_0_1, 'name' => CardinalitiesExtractor::CARDINALITY_0_1, 'sharedContent' => CardinalitiesExtractor::CARDINALITY_UNKNOWN];
}