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);

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);

    /**

        return null;
    }

    @Override
    public Path getRootDirectory() {
        throw new IllegalStateException();
    }

    @Override
    public List<Project> getProjects() {
        return List.of();
    }

    @Override
    public Map<String, Object> getPluginContext(Project project) {
        throw new UnsupportedInStandaloneModeException();
    }

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

    Path getRootDirectory();

    /**
     * Retrieves a list of projects associated with the session.
     *
     * @return a list of projects, never {@code null}
     */
    @Nonnull
    List<Project> getProjects();

    /**
     * Returns the plugin context for mojo being executed and the specified
     * {@link Project}, never returns {@code null} as if context not present, creates it.
     *