@@ -0,0 +1,496 @@
+package javax.annotation;%0A%0A%0Aimport java.lang.annotation.Documented;%0Aimport java.lang.annotation.ElementType;%0Aimport java.lang.annotation.Retention;%0Aimport java.lang.annotation.RetentionPolicy;%0Aimport java.lang.annotation.Target;%0A%0Aimport javax.annotation.meta.When;%0A%0A%0A@Documented%0A@Target( %7B ElementType.METHOD, ElementType.CONSTRUCTOR, ElementType.TYPE,%0A        ElementType.PACKAGE %7D)%0A@Retention(RetentionPolicy.RUNTIME)%0Apublic @interface CheckReturnValue %7B%0A    When when() default When.ALWAYS;%0A%7D%0A

Create CheckReturnValue.java