-namespace Msp {
-namespace Time {
-
-extern const TimeDelta zero;
-extern const TimeDelta usec;
-extern const TimeDelta msec;
-extern const TimeDelta sec;
-extern const TimeDelta min;
-extern const TimeDelta hour;
-extern const TimeDelta day;
-extern const TimeDelta week;
-
-} // namespace Time
-} // namespace Msp