private static function getCampaignFeeds(
        AdWordsServices $adWordsServices,
        AdWordsSession $session,
        $feedId,
        $placeholderId
    ) {
        $campaignFeedService = $adWordsServices->get($session, CampaignFeedService::class);
        $page = $campaignFeedService->query(
            sprintf(
                'SELECT CampaignId, MatchingFunction, PlaceholderTypes WHERE '
                . 'Status="ENABLED" AND FeedId = %d AND PlaceholderTypes ' . 'CONTAINS_ANY[%d]',
                $feedId,
                $placeholderId
            )
        );

        return $page->getEntries();
    }