ClientCache clientCache = manager.getClientCache(ui);
List<Class<? extends ClientConnector>> newConnectorTypes = new ArrayList<Class<? extends ClientConnector>>();
for (Class<? extends ClientConnector> class1 : usedClientConnectors) {
if (clientCache.cache(class1)) {
// client does not know the mapping key for this type, send
// mapping to client
newConnectorTypes.add(class1);
if (!typeMappingsOpen) {