public boolean add(BugInstance bugInstance) {
public boolean add(BugInstance bugInstance, boolean updateActiveTime) {
	public boolean add(BugInstance bugInstance) {		registerUniqueId(bugInstance);		// Mark the BugInstance as being active at the BugCollection's current timestamp.		TimestampIntervalCollection activeIntervalCollection =			bugInstance.getActiveIntervalCollection();		activeIntervalCollection.add(new TimestampInterval(timestamp, timestamp));		bugInstance.setActiveIntervalCollection(activeIntervalCollection);				return bugSet.add(bugInstance);	}