long start = System.currentTimeMillis();
long start; if (ChainBuilderAgent.DEBUG) start= System.currentTimeMillis();
	public Object getContents() {		long start = System.currentTimeMillis();		ChainDataManager chainDataManager = (ChainDataManager) dataManager;		if (chains == null)  {			chains = chainDataManager.getChains();					}		Iterator iter = chains.iterator();		while (iter.hasNext()) {			LayoutChainData chain = (LayoutChainData) iter.next();			reconcileChain(chain);			chain.layout();		}		long end = System.currentTimeMillis()-start;		System.err.println("total time in chain loader"+end);		return chains;	}