@SubtypeOf(value={Mutable.class,Immutable.class,I.class}) @DefaultFor(value=LOWER_BOUND) @Target(value={TYPE_USE,TYPE_PARAMETER}) @TargetLocations(value={EXPLICIT_LOWER_BOUND,EXPLICIT_UPPER_BOUND}) public @interface IGJBottom
null
type is a subtype
of all immutability types.