public List clearRefillProjectionTasks() { Iterator tasks = refillProjections.iterator();
public List clearRefillProjectionTasks(long now) {
    public List clearRefillProjectionTasks() {      Iterator tasks = refillProjections.iterator();      ArrayList removedTaskList = new ArrayList();      while (tasks.hasNext()) {	Task t = (Task)tasks.next();	if (!removedTaskList.contains(t)) {	  removedTaskList.add(t);	}      }      refillProjections.clear();      return removedTaskList;    }