https://maven.apache.org/plugins/maven-pmd-plugin/apidocs/org/apache/maven/plugins/pmd/model/io/xpp3/CpdXpp3Reader.ContentTransformer.html
CpdXpp3Reader.ContentTransformer (Apache Maven PMD Plugin 3.28.0 API)
declaration: package: org.apache.maven.plugins.pmd.model.io.xpp3, class: CpdXpp3Reader, interface: ContentTransformer
apache mavenpmdpluginapi