prepareHashToBugInstanceMap(); BugInstance result =  hashToBugInstanceMap.get(uniqueId); return result;
for(BugInstance bug : bugSet) if (bug.getInstanceHash().equals(uniqueId)) return bug; return null;
	public BugInstance lookupFromUniqueId(String uniqueId) {		prepareHashToBugInstanceMap();		BugInstance result =  hashToBugInstanceMap.get(uniqueId);		return result;	}