public List<TaskSummary> getArchivedTasks() {
   return taskAdminService.getArchivedTasks();
 }
 public int removeTasks(List<TaskSummary> tasks) {
   return taskAdminService.removeTasks(tasks);
 }
 public int archiveTasks(List<TaskSummary> tasks) {
   return taskAdminService.archiveTasks(tasks);
 }
 public List<TaskSummary> getCompletedTasksByProcessId(Long processId) {
   return taskAdminService.getCompletedTasksByProcessId(processId);
 }
 public List<TaskSummary> getCompletedTasks(Date since) {
   return taskAdminService.getCompletedTasks(since);
 }
 public List<TaskSummary> getCompletedTasks() {
   return taskAdminService.getCompletedTasks();
 }
 public List<TaskSummary> getActiveTasks(Date since) {
   return taskAdminService.getActiveTasks(since);
 }