DIR archetype
   DIR buildcache
   DIR doxia
   DIR enforcer
   DIR indexer
   DIR jxr
   DIR maven-1
   DIR maven-2
   DIR maven-3
   DIR maven-4
   DIR mvnd
   DIR plugin-testing
   DIR plugin-tools
   DIR plugins
   DIR pom
   DIR release
   DIR reporting
   DIR resolver
   DIR resources
   DIR scm
   DIR shared
   DIR skins
   DIR surefire
   DIR wagon
   DIR wrapper