* that supports extending it (i.e. via Maven Extensions).
     * <p>
     * Important: this "static" list of types should be in-sync with core provided types.
     */
    protected ArtifactTypeRegistry getArtifactTypeRegistry() {
        DefaultArtifactTypeRegistry stereotypes = new DefaultArtifactTypeRegistry();
        new DefaultTypeProvider().types().forEach(stereotypes::add);
        return stereotypes;
    }

                plugin.getGroupId(),
                plugin.getArtifactId(),
                null,
                "jar",
                plugin.getVersion(),
                session.getArtifactTypeRegistry().get("maven-plugin"));
    }

    @Override
    public Artifact resolve(Plugin plugin, List<RemoteRepository> repositories, RepositorySystemSession session)
            throws PluginResolutionException {

        session.setDependencySelector(builder.getDependencySelector());
        session.setDependencyGraphTransformer(builder.getDependencyGraphTransformer());
        session.setArtifactTypeRegistry(builder.getArtifactTypeRegistry());
        session.setArtifactDescriptorPolicy(builder.getArtifactDescriptorPolicy());
        return session;
    }