checker/src/testannotations/java/javax/annotation/Nonnull.java

package javax.annotation;

import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import javax.annotation.meta.When;

@Documented
@Retention(RetentionPolicy.RUNTIME)
public @interface Nonnull {
  When when() default When.ALWAYS;
}