| Interface | Description | 
|---|---|
| SimpleValueReceiver | No-op implementation that makes it easier to use with Lambdas. | 
| UnwrapByDefaultValueExtractor<T> | Interface based alternative for unwrap by default semantics. | 
| ValueExtractorRegistry | Registry of value extractors. | 
| Class | Description | 
|---|---|
| DefaultValueExtractors | The default value extractors. |