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());

     *
     * @param session the Maven session
     * @throws MavenExecutionException in case of issue
     */
    public void afterProjectsRead(MavenSession session) throws MavenExecutionException {
        // do nothing
    }

    /**
     * Invoked after MavenSession instance has been created.
     *
     * This callback is intended to allow extensions to inject execution properties,

    public MavenExecutionPlan calculateExecutionPlan(MavenSession session, String... tasks) {
        return new MavenExecutionPlan(null, new DefaultLifecycles());
    }

    public MavenExecutionPlan calculateExecutionPlan(MavenSession session, boolean setup, String... tasks) {
        return new MavenExecutionPlan(null, new DefaultLifecycles());
    }

    public void execute(MavenSession session) {}

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.lifecycle.internal.LifecycleExecutionPlanCalculator;
import org.apache.maven.lifecycle.internal.LifecycleStarter;
import org.apache.maven.lifecycle.internal.LifecycleTaskSegmentCalculator;

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.descriptor.PluginDescriptor;
import org.apache.maven.plugin.version.PluginVersionNotFoundException;

    // 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);
    }

        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);

 * @since 3.1.2
 */
public class MojoExecutionEvent {
    private final MavenSession session;

    private final MavenProject project;

    private final MojoExecution mojoExecution;

    private final Mojo mojo;

    private final Throwable cause;

    public MojoExecutionEvent(MavenSession session, MavenProject project, MojoExecution mojoExecution, Mojo mojo) {

import org.apache.maven.api.Session;
import org.apache.maven.api.Toolchain;
import org.apache.maven.api.services.ToolchainManager;
import org.apache.maven.api.services.ToolchainManagerException;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.toolchain.DefaultToolchainManagerPrivate;
import org.apache.maven.toolchain.MisconfiguredToolchainException;
import org.apache.maven.toolchain.ToolchainPrivate;

@Named
@Singleton

import org.apache.maven.artifact.resolver.ResolutionErrorHandler;
import org.apache.maven.artifact.resolver.filter.CumulativeScopeArtifactFilter;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.artifact.ProjectArtifact;
import org.apache.maven.repository.RepositorySystem;

/**