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

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);

    /**

        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);

 * <tr><td><code>reactorProjects</code></td>   <td></td>               <td>{@link MavenSession#getProjects()}</td></tr>
 * <tr><td><code>repositorySystemSession</code></td><td> (since Maven 3)</td>
 *                                             <td>{@link MavenSession#getRepositorySession()}</td></tr>

     * @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.
     */

    }

    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()

            throws ExecutionException, InterruptedException {
        int nThreads = Math.min(
                session.getRequest().getDegreeOfConcurrency(),
                session.getProjects().size());
        boolean parallel = nThreads > 1;
        // Propagate the parallel flag to the root session and all the cloned sessions in each project segment
        session.setParallel(parallel);

     * line.
     *
     * @return The user properties, never {@code null}.
     */
    Properties getUserProperties();

    void setProject(MavenProject mavenProject);

    MavenProject getProject();

    ProjectBuildingRequest setProcessPlugins(boolean processPlugins);

    boolean isProcessPlugins();