Namespace Org.Apache.Maven.Cli.Internal.Extension.Model Classes CoreExtension https://www.javadoc.io/doc/org.apache.maven/maven-embedder/3.9.11/org/apache/maven/cli/internal/extension/model/CoreExtension.html CoreExtensions https://www.javadoc.io/doc/org.apache.maven/maven-embedder/3.9.11/org/apache/maven/cli/internal/extension/model/CoreExtensions.html