package com.ifish.jpush.utils;

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

/**
 * Copied from javax.annotation.Nullable
 */
@Documented
//@TypeQualifierNickname
//@Nonnull(when = When.UNKNOWN)
@Retention(RetentionPolicy.RUNTIME)
public @interface Nullable {

}