org.checkerframework.framework.qual

Annotation Type PurityUnqualified

@Documented
 @Retention(value=SOURCE)
 @Target(value={TYPE_USE,TYPE_PARAMETER})
 @SubtypeOf(value={})
 @DefaultQualifierInHierarchy
 @InvisibleQualifier
public @interface PurityUnqualified

An annotation intended solely for representing an unqualified type in the qualifier hierarchy for the Purity Checker.

See the Checker Framework Manual:

Purity Checker