* $firestoreService = new Google\Service\Firestore(...); * $collectionGroups = $firestoreService->collectionGroups; * */ class ProjectsDatabasesCollectionGroups extends \Google\Service\Resource { } // Adding a class alias for backwards compatibility with the previous class name. class_alias(ProjectsDatabasesCollectionGroups::class, 'Google_Service_Firestore_Resource_ProjectsDatabasesCollectionGroups');