saveExtensionRegistry(objectManager, timestamp);
saveExtensionRegistry(timestamp);
	public boolean saveCache(RegistryObjectManager objectManager, long timestamp) {		try {			if (!openFiles())				return false;			try {				saveExtensionRegistry(objectManager, timestamp);			} catch (IOException io) {				log(new Status(IStatus.ERROR, RegistryMessages.OWNER_NAME, fileError, RegistryMessages.meta_registryCacheWriteProblems, io));				return false;			}		} finally {			closeFiles();		}		return true;	}