class KPM::KillbillPluginArtifact

def versions(overrides={}, ssl_verify=true)
  plugins = {:java => {}, :ruby => {}}
  nexus = nexus_remote(overrides, ssl_verify)
  [[:java, KPM::BaseArtifact::KILLBILL_JAVA_PLUGIN_GROUP_ID], [:ruby, KPM::BaseArtifact::KILLBILL_RUBY_PLUGIN_GROUP_ID]].each do |type_and_group_id|
    response = REXML::Document.new nexus.search_for_artifacts(type_and_group_id[1])
    response.elements.each('search-results/data/artifact') do |element|
      artifact_id                                = element.elements['artifactId'].text
      plugins[type_and_group_id[0]][artifact_id] ||= SortedSet.new
      plugins[type_and_group_id[0]][artifact_id] << element.elements['version'].text
    end
  end
  plugins
end