Package org.checkerframework.checker.optional.qual

Annotation Type OptionalBottom

@Documented
@Retention(RUNTIME)
@Target({TYPE_USE,TYPE_PARAMETER})
@SubtypeOf(Present.class)
public @interface OptionalBottom

The bottom type qualifier for the Optional Checker. The only value of this type is null. Programmers rarely write this annotation.

See the Checker Framework Manual:

Optional Checker