1 package javax.annotation; 2 3 import java.lang.annotation.Documented; 4 import java.lang.annotation.ElementType; 5 import java.lang.annotation.Retention; 6 import java.lang.annotation.RetentionPolicy; 7 import java.lang.annotation.Target; 8 9 import javax.annotation.meta.When; 10 11 @Documented 12 @Target( { ElementType.METHOD, ElementType.CONSTRUCTOR, ElementType.TYPE, 13 ElementType.PACKAGE }) 14 @Retention(RetentionPolicy.RUNTIME) 15 public @interface CheckReturnValue { 16 When when() default When.ALWAYS; 17 } 18
