1 package javax.annotation; 2 3 import java.lang.annotation.Documented; 4 import java.lang.annotation.Retention; 5 import java.lang.annotation.RetentionPolicy; 6 7 import javax.annotation.meta.TypeQualifier; 8 import javax.annotation.meta.When; 9 10 @Documented 11 @TypeQualifier 12 @Retention(RetentionPolicy.RUNTIME) 13 public @interface PropertyKey { 14 When when() default When.ALWAYS; 15 } 16