LoaderConfigurationBuilder lcb = builder.loaders().addCacheLoader();
lcb.cacheLoader(loader);
if (fetchPersistentState != null)
lcb.fetchPersistentState(fetchPersistentState);
if (ignoreModifications != null)
lcb.ignoreModifications(ignoreModifications);
if (purgerThreads != null)
lcb.purgerThreads(purgerThreads);
if (purgeOnStartup != null)
lcb.purgeOnStartup(purgeOnStartup);
if (purgeSynchronously != null)