println("artifactDeploying", event.getArtifact() + " to " + event.getRepository());
    }

    @Override
    public void artifactDescriptorInvalid(RepositoryEvent event) {
        println(
                "artifactDescriptorInvalid",
                "for " + event.getArtifact() + ": " + event.getException().getMessage());
    }

    @Override