a-tree.txt

foo-project]$ tree -F
./
├── foo-child/
│   ├── pom.xml
│   └── src/
│       └── main/
│           └── java/
└── pom.xml

pom-parent.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/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>org.example</groupId>
  <artifactId>foo-parent</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>pom</packaging>

  <properties>
    <clean.version>3.3.2</clean.version>
  </properties>

  <modules>
    <module>foo-child</module>
  </modules>

  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-clean-plugin</artifactId>
          <version>${clean.version}</version>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>

</project>

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/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.example</groupId>
    <artifactId>foo-parent</artifactId>
    <version>1.0-SNAPSHOT</version>
  </parent>
  <artifactId>foo-child</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>jar</packaging>

  <properties>
    <clean.version>3.3.1</clean.version>
  </properties>

  <build>
  </build>

</project>