| Class | Description | 
|---|---|
| Default | Represents a mapping from an Annotation to a TypeUseLocation it should be applied to during
 defaulting. | 
| QualifierDefaults | Determines the default qualifiers on a type. | 
| Enum | Description | 
|---|---|
| QualifierDefaults.BoundType | Specifies whether the type variable or wildcard has an explicit upper bound (UPPER), an
 explicit lower bound (LOWER), or no explicit bounds (UNBOUNDED). |