if (ChainBuilderAgent.DEBUG) {
if (ChainBuilderAgent.DEBUG_TIMING) {
	public Collection getModules() {				// if we're done, go for it.				if (moduleHash != null && moduleHash.size() > 0)			return moduleHash.values();				if (loadingModules == false) {			long start = System.currentTimeMillis();			loadingModules = true;			retrieveModules();		//	retrieveCategories();			loadingModules = false;			if (ChainBuilderAgent.DEBUG) {				long end = System.currentTimeMillis()-start;				System.err.println("time spent in getModules is "+end);			}			return moduleHash.values();		}		return null;	}