| ⇢ | B | CallbackContainerBuilder added | |
| ⇢ | A | NullContainerBuilder added | |
| ⇢ | A | FakeCallbackContainer added | |
| ⇢ | A | CallbackContainerBuilderTest added | |
| ⇢ | A | NullContainerBuilderTest added | |
| ⇢ | A | SpyLogger added | |
| ⇢ | A | ServiceCircularReferenceException added | |
| ⇢ | A | ServiceTypeMismatchException added | |
| ⇢ | A | CallbackContainerFactory added | |
| ⇢ | A | CallbackContainerFactoryTest added | |
| A | ↛ | DeferredCallbackLoader removed | |
| A | ↛ | FooCallbackContainer removed | |
| A | ↛ | NullCallbackLoaderTest removed | |
| A | ↛ | NullCallbackInstantiator removed | |
| A | ↛ | NullCallbackLoader removed | |
| A | ↛ | DeferredCallbackLoaderTest removed | |
| A | ↛ | NullCallbackInstantiatorTest removed |