Part of lp.bugs.scripts.checkwatches
| Class | CheckWatchesCronScript | No class docstring; 1/2 methods documented |
| Class | CheckwatchesMaster | Takes responsibility for updating remote bug watches. |
| Class | SerialScheduler | Run jobs in order, one at a time. |
| Class | TwistedThreadScheduler | Run jobs in threads, chaperoned by Twisted. |