private function parseCollections(int $i, $value, array &$metadata) : void
    {
        $j = 0;
        foreach ($value as $entry) {
            $collection = $this->collectionRepository->findOneByIndexName($entry);
            if ($collection) {
                $metadata[$i]['collection'][$j] = $collection->getLabel() ? : '';
                $j++;
            }
        }
    }