| Class | Description | 
|---|---|
| AccumulationAnnotatedTypeFactory | An annotated type factory for an accumulation checker. | 
| AccumulationChecker | An accumulation checker is one that accumulates some property: method calls, map keys, etc. | 
| AccumulationTransfer | The default transfer function for an accumulation checker. | 
| AccumulationVisitor | The visitor for an accumulation checker. |