if (!registry.contains(ResourceLoader.class)) {
registry.add(ResourceLoader.class, DefaultResourceLoader.INSTANCE);
}
if (!registry.contains(InstantiatorFactory.class)) {
registry.add(InstantiatorFactory.class, new LoaderInstantiatorFactory());
}
if (!registry.contains(ScheduledExecutorServiceFactory.class)) {
registry.add(ScheduledExecutorServiceFactory.class, new SingleThreadScheduledExecutorServiceFactory());
}
if (!registry.contains(ProxyServices.class)) {