@DefaultQualifierInHierarchy
 @SubtypeOf(value={})
 @Target(value={TYPE_USE,TYPE_PARAMETER})
public @interface UpperBoundUnknown
A variable not known to have a relation to any sequence length. This is the top type of the Upper
 Bound type system. Programmers should not need to write this type.
- See the Checker Framework Manual:
- Index Checker