public boolean add(BugInstance bugInstance, boolean updateActiveTime) { registerUniqueId(bugInstance);  if (updateActiveTime) { bugInstance.setFirstVersion(sequence); }  return bugSet.add(bugInstance);
public boolean add(BugInstance bugInstance) { return add(bugInstance, true);
	public boolean add(BugInstance bugInstance, boolean updateActiveTime) {		registerUniqueId(bugInstance);		if (updateActiveTime) {			bugInstance.setFirstVersion(sequence);		}				return bugSet.add(bugInstance);	}