/// <summary>
        ///
        /// </summary>
        /// <param name="oldest"></param>
        /// <returns></returns>
        public List <WorkflowTaskPoco> GetAllTasksForDateRange(DateTime oldest)
        {
            List <WorkflowTaskPoco> taskInstances = _tasksRepo.GetAllTasksForDateRange(oldest);

            return(taskInstances);
        }