if (logger.isInfoEnabled() && event.getSession().getProjects().size() > 1) {
            init();
            infoLine('-');

            infoMain("Reactor Build Order:");

            logger.info("");

            final List<MavenProject> projects = event.getSession().getProjects();
            for (MavenProject project : projects) {
                int len = lineLength

        if (session.getProjectDependencyGraph() != null || session.getProjects() != null) {
            ProjectDependencyGraph graph = new DefaultProjectDependencyGraph(session.getAllProjects());
            if (session.getProjects() != null) {
                graph = new FilteredProjectDependencyGraph(graph, session.getProjects());
            }

            result = Result.success(graph);
        }

import java.util.List;

import org.apache.maven.project.DependencyResolutionResult;
import org.apache.maven.project.MavenProject;

/**
 */
public interface MavenExecutionResult {
    MavenExecutionResult setProject(MavenProject project);

    MavenProject getProject();

    MavenExecutionResult setTopologicallySortedProjects(List<MavenProject> projects);

    /**

    static InternalMavenSession from(org.eclipse.aether.RepositorySystemSession session) {
        return cast(InternalMavenSession.class, session.getData().get(InternalSession.class), "session");
    }

    List<Project> getProjects(List<org.apache.maven.project.MavenProject> projects);

    /**
     * May return null if the input project is null or is not part of the reactor.
     */
    @Nullable

            List<MavenProject> projects;

            if (taskSegment.isAggregating()) {
                projects = Collections.singletonList(rootProject);
            } else {
                projects = session.getProjects();
            }
            for (MavenProject project : projects) {
                ClassLoader tccl = Thread.currentThread().getContextClassLoader();
                MavenProject currentProject = session.getCurrentProject();

    private final Map<MavenProject, BuildSummary> buildSummaries = Collections.synchronizedMap(new IdentityHashMap<>());

    private boolean canResume = false;

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

        return this;
    }

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

    @Override

     * @return set of projects that have yet to be processed successfully by the build.
     */
    public Set<MavenProject> getUnfinishedProjects() {
        Set<MavenProject> unfinished = new HashSet<>(projectBuilds.getProjects());
        unfinished.removeAll(finishedProjects);
        return unfinished;
    }

    /**
     * @return set of projects that have been successfully processed by the build.
     */

        MavenProject project3 = generateMavenProject("Apache Maven Embedder 3");

        MavenSession session = mock(MavenSession.class);
        when(session.getProjects()).thenReturn(List.of(project1, project2, project3));
        when(session.getAllProjects()).thenReturn(List.of(project1, project2, project3));

        ExecutionEvent sessionStartedEvent = mock(ExecutionEvent.class);

    }

    public boolean isEmpty() {
        return items.isEmpty();
    }

    /**
     * @return a set of all the projects managed by the build
     */
    public Set<MavenProject> getProjects() {
        return items.stream().map(ProjectSegment::getProject).collect(Collectors.toSet());
    }

            MavenSession session = legacySupport.getSession();
            if (session != null) {
                if (session.getProjects() != null) {
                    pomRepositories = session.getProjects().stream()
                            .filter(p -> artifact.equals(p.getArtifact()))
                            .findFirst()