<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
<buildExtensions>
<extension>
<groupId>org.example</groupId>
<artifactId>my-extension</artifactId>
<version>1.0.0</version>
</extension>
</buildExtensions>
