code: @Override
      public void artifactDeploying(RepositoryEvent event) {
          log.finer("Deploying " + event.getArtifact() + " to " + event.getRepository());
      }
docs: /*
  (non-Javadoc)
  
  @see org.eclipse.aether.util.listener.AbstractRepositoryListener#artifactDeploying
  (org.eclipse.aether.RepositoryEvent)