* Thus, we need to ensure the providersCache continues to be instantiated with ConcurrentHashMap.
*/
public void testProtectionModel() throws Exception {
// I need the instantiated object providersCache in the abstract private nested class MediaTypeMap, so here we go!
ProvidersRegistry providersRegistry = new ProvidersRegistry(new LifecycleManagersRegistry(), new ApplicationValidator());
Field field = providersRegistry.getClass().getDeclaredField("messageBodyReaders");
field.setAccessible(true);
Object messageBodyReaders = field.get(providersRegistry);
System.out.println(messageBodyReaders.getClass().getSuperclass().getName());
Field field2 = messageBodyReaders.getClass().getSuperclass().getDeclaredField("providersCache");