compiler/testData/foreignAnnotations/testAnnotations/MyNonnull.java

import javax.annotation.*;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

import javax.annotation.meta.TypeQualifierNickname;
import javax.annotation.meta.When;

@Documented
@TypeQualifierNickname
@Nonnull(when = When.ALWAYS)
@Retention(RetentionPolicy.RUNTIME)
public @interface MyNonnull {

}