class KPM::KillbillServerArtifact

def versions(artifact_id, packaging=KPM::BaseArtifact::KILLBILL_PACKAGING, classifier=KPM::BaseArtifact::KILLBILL_CLASSIFIER, overrides={}, ssl_verify=true)
  coordinates = build_coordinates(KPM::BaseArtifact::KILLBILL_GROUP_ID, artifact_id, packaging, classifier)
  response    = REXML::Document.new nexus_remote(overrides, ssl_verify).search_for_artifacts(coordinates)
  versions    = SortedSet.new
  response.elements.each('search-results/data/artifact/version') { |element| versions << element.text }
  versions
end