Stream.of(p1, p2).forEach(project -> {
            plan.requiredStep(project, "after:resources").addMojo(new MojoExecution(null), 0);
            plan.requiredStep(project, "after:test-resources").addMojo(new MojoExecution(null), 0);
            plan.requiredStep(project, "compile").addMojo(new MojoExecution(null), 0);
            plan.requiredStep(project, "test-compile").addMojo(new MojoExecution(null), 0);

/**
 * Test sorting projects by dependencies.
 *
 */
class ProjectSorterTest {
    private Parent createParent(MavenProject project) {
        return createParent(project.getGroupId(), project.getArtifactId(), project.getVersion());
    }

    private Parent createParent(String groupId, String artifactId, String version) {
        Parent plugin = new Parent();
        plugin.setGroupId(groupId);

import org.apache.maven.project.CycleDetectedException;
import org.apache.maven.project.DuplicateProjectException;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.ProjectBuildingException;
import org.apache.maven.project.collector.MultiModuleCollectionStrategy;
import org.apache.maven.project.collector.PomlessCollectionStrategy;
import org.apache.maven.project.collector.RequestPomCollectionStrategy;

                }
            }
        } else {
            MavenProject project = createStubMavenProject();
            project.setRemoteArtifactRepositories(request.getRemoteRepositories());
            project.setPluginArtifactRepositories(request.getPluginArtifactRepositories());
            projects.add(project);
        }

    }

    @Override
    public List<Project> getProjects(List<MavenProject> projects) {
        return projects == null ? null : map(projects, this::getProject);
    }

    @Override
    public Project getProject(MavenProject project) {
        return project != null && project.getBasedir() != null
                ? allProjects.computeIfAbsent(project.getId(), id -> new DefaultProject(this, project))
                : null;
    }

        this.mojoExecution = mojoExecution;
    }

    public PluginExecutionException(
            MojoExecution mojoExecution, MavenProject project, String message, Throwable cause) {
        super(mojoExecution.getMojoDescriptor(), project, message, cause);
        this.mojoExecution = mojoExecution;
    }

    public PluginExecutionException(MojoExecution mojoExecution, MavenProject project, Exception cause) {

 *
 * <p>Produced artifacts includes:</p><ul>
 *     <li>{@linkplain Project#getPomArtifact() the project POM artifact}</li>
 *     <li>{@linkplain Project#getMainArtifact() the main artifact}</li>
 *     <li>{@linkplain org.apache.maven.api.services.ProjectManager#attachArtifact(Session, Project, Path) artifacts to be attached to a project}</li>
 * </ul>
 *

    public Model build(RepositorySystemSession session, MavenProject project, ModelSource src)
            throws ModelBuilderException {
        Model model = project.getModel().getDelegate();
        boolean flattenEnabled = Features.consumerPomFlatten(session.getConfigProperties());
        String packaging = model.getPackaging();
        String originalPackaging = project.getOriginalModel().getPackaging();

    }

    public DefaultDependencyResolutionRequest(MavenProject project, RepositorySystemSession session) {
        setMavenProject(project);
        setRepositorySession(session);
    }

    @Override
    public DependencyFilter getResolutionFilter() {
        return filter;
    }

    @Override
    public MavenProject getMavenProject() {
        return project;
    }

    @Override

    private boolean canResume = false;

    @Override
    public MavenExecutionResult setProject(MavenProject project) {
        this.project = project;

        return this;
    }

    @Override
    public MavenProject getProject() {
        return project;
    }

    @Override
    public MavenExecutionResult setTopologicallySortedProjects(List<MavenProject> topologicallySortedProjects) {