public async Task <IEnumerable <IList <Notification> > > GetNotificationsGroupedByPatient(PerformContext context,
                                                                                                  string requestId, List <string> notificationIds)
        {
            var groupedIds = await _migrationRepository.GetGroupedNotificationIdsById(notificationIds);

            return(await GetGroupedResultsAsNotificationAsync(groupedIds, context, requestId));
        }