checker/src/testannotations/java/android/annotation/NonNull.java

// Upstream version (this is a clean-room reimplementation of its interface):
// https://android.googlesource.com/platform/frameworks/base/+/master/core/java/android/annotation/NonNull.java

package android.annotation;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Documented
@Retention(RetentionPolicy.SOURCE)
@Target({ElementType.METHOD, ElementType.PARAMETER, ElementType.FIELD})
public @interface NonNull {}