}

    public String getReactorFailureBehavior() {
        return request.getReactorFailureBehavior();
    }

    @Override
    public MavenSession clone() {
        try {
            MavenSession clone = (MavenSession) super.clone();
            // the default must become the current project of the thread that clones this
            MavenProject current = getCurrentProject();

import org.apache.maven.artifact.ArtifactUtils;
import org.apache.maven.execution.BuildResumptionDataRepository;
import org.apache.maven.execution.MavenExecutionRequest;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.execution.ProjectActivation;
import org.apache.maven.execution.ProjectDependencyGraph;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.building.DefaultModelProblem;

import org.apache.maven.artifact.resolver.ArtifactResolutionException;
import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Plugin;
import org.apache.maven.plugin.InvalidPluginDescriptorException;
import org.apache.maven.plugin.InvalidPluginException;
import org.apache.maven.plugin.LegacySupport;

        try (CloseableSession closeableSession = newCloseableSession(request, chainedWorkspaceReader)) {
            MavenSession session = new MavenSession(closeableSession, request, result);
            session.setSession(defaultSessionFactory.newSession(session));

            sessionScope.seed(MavenSession.class, session);
            sessionScope.seed(Session.class, session.getSession());

        when(event.getProject()).thenReturn(project);

        MavenProject rootProject = mock(MavenProject.class);
        when(rootProject.getBasedir()).thenReturn(basedir);
        MavenSession session = mock(MavenSession.class);
        when(session.getTopLevelProject()).thenReturn(rootProject);
        when(session.getTopDirectory()).thenReturn(basedir.toPath());
        when(event.getSession()).thenReturn(session);

    // separate.
    protected MavenSession createMavenSession(File pom) throws Exception {
        return createMavenSession(pom, new Properties());
    }

    protected MavenSession createMavenSession(File pom, Properties executionProperties) throws Exception {
        return createMavenSession(pom, executionProperties, false);
    }

        SimpleSession(
                MavenSession session,
                RepositorySystem repositorySystem,
                List<org.apache.maven.api.RemoteRepository> repositories) {
            super(session, repositorySystem, repositories, null, null, null);
        }

        @Override
        protected Session newSession(
                MavenSession mavenSession, List<org.apache.maven.api.RemoteRepository> repositories) {

import org.apache.maven.execution.BuildSummary;
import org.apache.maven.execution.ExecutionEvent;
import org.apache.maven.execution.MavenExecutionResult;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.MojoExecution;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.apache.maven.project.MavenProject;
import org.slf4j.ILoggerFactory;
import org.slf4j.Logger;

import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
import org.apache.maven.artifact.versioning.VersionRange;
import org.apache.maven.bridge.MavenRepositorySystem;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Dependency;
import org.apache.maven.model.DependencyManagement;
import org.apache.maven.model.DistributionManagement;
import org.apache.maven.model.Model;

import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
import org.apache.maven.artifact.resolver.ArtifactResolutionException;
import org.apache.maven.execution.MavenExecutionRequest;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Repository;
import org.apache.maven.model.building.ModelBuildingException;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelSource;