maven org.apache.maven 2.0-beta-1-SNAPSHOT 4.0.0 org.apache.maven maven-repository-metadata 2.0-beta-1-SNAPSHOT Maven Repository Metadata Model Maven Plugin Mapping plexus plexus-utils org.codehaus.modello modello-maven-plugin 1.0-alpha-3 1.0.0 src/main/mdo/metadata.mdo xpp3-writer java xpp3-reader xsd