org.checkerframework.checker.propkey.qual

Annotation Type PropertyKey

@SubtypeOf(value=UnknownPropertyKey.class)
 @Documented
 @Retention(value=RUNTIME)
 @Target(value={TYPE_USE,TYPE_PARAMETER})
public @interface PropertyKey

Indicates that the String type can be used as key in a property file or resource bundle.

See the Checker Framework Manual:

Property File Checker