/// <summary>
 /// Get all the user assignments that were made for the taskInstanceId
 /// It can also be done with the Query method.
 /// </summary>
 /// <param name="taskInstanceId">The id of the task instance.</param>
 public Task <List <HistoricUserOperationLog> > GetHistoricAssignmentsOfTask(string taskInstanceId) => _api.GetHistoricAssignmentsOfTask(taskInstanceId);