| Annotation Type | Description | 
|---|---|
| PolyTainted | 
 A polymorphic qualifier for the Tainting type system. 
 | 
| Tainted | 
 Denotes a possibly-tainted value: at run time, the value might be tainted or might be untainted. 
 | 
| Untainted | 
 Denotes a reference that is untainted, i.e. 
 |