java-tutorials/spring-boot-modules/spring-boot-custom-starter/parent-multi-module/library/pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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>com.baeldung.example</groupId>
    <artifactId>library</artifactId>
    <packaging>jar</packaging>

    <parent>
        <groupId>com.baeldung</groupId>
        <artifactId>parent-boot-2</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <relativePath>../../../../parent-boot-2</relativePath>
    </parent>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>
    </dependencies>

</project>