boolean present = bugSet.remove(bugInstance); if (present) { uniqueIdToBugInstanceMap.remove(bugInstance.getUniqueId()); } return present;
invalidateHashes(); return bugSet.remove(bugInstance);
	public boolean remove(BugInstance bugInstance) {		boolean present = bugSet.remove(bugInstance);		if (present) {			uniqueIdToBugInstanceMap.remove(bugInstance.getUniqueId());		}		return present;	}