@Override
public boolean retainAll(Collection<?> arg0) {
boolean removed = true;
List<TimeWrapped> removals = new ArrayList<TimeWrapped>();
for (TimeWrapped item : queue) {
boolean toRemove = true;
for (Object keeper : arg0) toRemove &= !item.equals(keeper);
if (toRemove) removals.add(item);
}
for (TimeWrapped item : removals) removed &= remove(item);
return removed;
}
