return getSortedProjects(projectIds);
    }

    private void getUpstreamProjects(String projectId, Collection<String> projectIds, boolean transitive) {
        for (String id : sorter.getDependencies(projectId)) {
            if (projectIds.add(id) && transitive) {
                getUpstreamProjects(id, projectIds, transitive);
            }
        }
    }

    }

    @Override
    public Set<Artifact> createArtifacts(MavenProject project) throws InvalidDependencyVersionException {
        return createArtifacts(artifactFactory, project.getDependencies(), null, null, project);
    }

    public static Set<Artifact> createArtifacts(
            ArtifactFactory artifactFactory,
            List<Dependency> dependencies,
            String inheritedScope,

    /**
     * For the given {@link MavenProject} {@code p}, return all of {@code p}'s dependencies.
     *
     * @param p
     * @return List of prerequisite projects
     */
    protected List<MavenProject> getDependencies(MavenProject p) {
        return projectDependencyGraph.getUpstreamProjects(p, false);
    }

    /**
     * For the given {@link MavenProject} {@code p} return {@code p}'s uncompleted dependencies.
     *

                for (PluginExecution execution : plugin.getExecutions()) {
                    visit(execution);
                }
                // Dependencies
                for (Dependency dependency : plugin.getDependencies()) {
                    visit(dependency);
                }
            }
        }

        private void visit(PluginExecution execution) {
            if (execution != null) {

            return resolved;
        }

        /*

        Logic for transitive global exclusions

        List<String> exclusions = new ArrayList<String>();

        for ( Dependency d : project.getDependencies() )
        {
            if ( d.getExclusions() != null )
            {
                for ( Exclusion e : d.getExclusions() )
                {

        request.addRepository(newTestRepository());

        ArtifactDescriptorResult result = system.readArtifactDescriptor(session, request);

        List<Dependency> deps = result.getDependencies();
        assertEquals(2, deps.size());
        checkUtSimpleArtifactDependencies(deps.get(0), deps.get(1));
    }

    /**
     * check ut.simple:artifact:1.0 dependencies
     */

        DependencyManagement dep = projectToClone.getDependencyManagement();
        assertNotNull(dep, "No dependencyManagement");
        List<?> list = dep.getDependencies();
        assertNotNull(list, "No dependencies");
        assertTrue(!list.isEmpty(), "Empty dependency list");

        Map<?, ?> map = projectToClone.getManagedVersionMap();

    Optional<Project> getProject();

    @Nonnull
    Optional<Artifact> getRootArtifact();

    @Nonnull
    Optional<DependencyCoordinates> getRoot();

    @Nonnull
    Collection<DependencyCoordinates> getDependencies();

    @Nonnull
    Collection<DependencyCoordinates> getManagedDependencies();

    boolean getVerbose();

    @Nonnull
    PathScope getPathScope();

    /**

            if (dependencyManagement != null
                    && dependencyManagement.getDependencies() != null
                    && !dependencyManagement.getDependencies().isEmpty()) {
                map = new LazyMap<>(() -> {
                    Map<String, Artifact> tmp = new HashMap<>();
                    for (Dependency d : dependencyManagement.getDependencies()) {
                        Artifact artifact =

            request.setRepositories(repositories);
            request.setRoot(new org.eclipse.aether.graph.Dependency(pluginArtifact, null));
            for (Dependency dependency : plugin.getDependencies()) {
                org.eclipse.aether.graph.Dependency pluginDep =
                        RepositoryUtils.toDependency(dependency, session.getArtifactTypeRegistry());