RootBeanDefinition rbd = new RootBeanDefinition(OptionalCollectionResourceInjectionBean.class);
rbd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
bf.registerBeanDefinition("annotatedBean", rbd);
TestBean tb = new TestBean();
bf.registerSingleton("testBean", tb);
IndexedTestBean itb = new IndexedTestBean();
bf.registerSingleton("indexedTestBean", itb);
NestedTestBean ntb1 = new NestedTestBean();
bf.registerSingleton("nestedTestBean1", ntb1);
NestedTestBean ntb2 = new NestedTestBean();
bf.registerSingleton("nestedTestBean2", ntb2);