code: private String createArtifactString (org.eclipse.aether.artifact.Artifact artifact)
    {
      return new String(artifact.getGroupId() + ":" + artifact.getArtifactId());
    }
docs: Convenience function for constructing a String representing an artifact in the form "<groupId>:<artifactId>"
  
  @param artifact {@link org.eclipse.aether.Artifact artifact} to construct string from
  @return {@link String} in the form "<groupId>:<artifactId>" representing the artifact
  @since 3.5.3