新建项目

pom.xml

+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>maxbox-api</groupId>
+  <artifactId>maxbox-api</artifactId>
+  <version>0.0.1-SNAPSHOT</version>
+</project>
\ No newline at end of file

src/main/java/com/api/service/DelayedRefundService.java

+package com.api.service;
+
+public interface DelayedRefundService {
+
+}