code: public static MavenArtifactUrlReference maven(final String groupId, final String artifactId) {
          return maven().groupId(groupId).artifactId(artifactId);
      }
docs: Convenience method (shorter) for referencing an maven artifact based on groupId/artifactId.
  
  @param groupId
  artifact group id
  @param artifactId
  artifact id
  
  @return maven artifact url