import javax.annotation.Nonnull; import javax.annotation.Nullable; import javax.annotation.meta.TypeQualifierDefault; import java.lang.annotation.*; @NonNullImpl class BugReproduction { public static void main(String[] args) { doSomething(null); } public static void doSomething(@Nullable String string) { System.out.printf("%b%n", string); } } @Documented @Inherited @Nonnull @Retention(RetentionPolicy.RUNTIME) @Target({ ElementType.PACKAGE, ElementType.TYPE, }) @TypeQualifierDefault({ ElementType.FIELD, ElementType.TYPE_USE, }) @interface NonNullImpl { }