void testCollectArtifactDependencies() {
        Artifact artifact =
                session.createArtifact("org.codehaus.plexus", "plexus-container-default", "1.0-alpha-32", "jar");
        Node root = session.collectDependencies(artifact, PathScope.MAIN_RUNTIME);
        assertNotNull(root);
    }

    @Test
    void testResolveArtifactCoordinatesDependencies() {

        depRequest.setTrace(trace);

        DependencyNode node;
        try {
            collect.setTrace(RequestTrace.newChild(trace, depRequest));
            node = repoSystem.collectDependencies(session, collect).getRoot();
            result.setDependencyGraph(node);
        } catch (DependencyCollectionException e) {
            result.setDependencyGraph(e.getResult().getRoot());

        collectRequest.setRoot(new Dependency(artifact, null));
        collectRequest.addRepository(newTestRepository());

        CollectResult collectResult = system.collectDependencies(session, collectRequest);

        List<DependencyNode> nodes = collectResult.getRoot().getChildren();
        assertEquals(2, nodes.size());
        checkUtSimpleArtifactDependencies(

            depRequest.setTrace(trace.trace());

            request.setTrace(RequestTrace.newChild(trace.trace(), depRequest));

            node = repoSystem.collectDependencies(pluginSession, request).getRoot();

            if (logger.isDebugEnabled()) {
                node.accept(new DependencyGraphDumper(logger::debug));
            }

            depRequest.setRoot(node);

     * @throws org.apache.maven.api.services.DependencyResolverException if the dependency collection failed
     */
    @Nonnull
    Node collectDependencies(@Nonnull Artifact artifact, @Nonnull PathScope scope);

    /**
     * Shortcut for {@code getService(DependencyResolver.class).collect(...)}
     *

            ArtifactCoordinates artifact = iSession.createArtifactCoordinates(
                    model.getGroupId(), model.getArtifactId(), model.getVersion(), null);
            Node node = iSession.collectDependencies(
                    iSession.createDependencyCoordinates(artifact), PathScope.MAIN_RUNTIME);

            Map<String, Node> nodes = node.stream()