DefaultMavenExecutionRequest request = new DefaultMavenExecutionRequest();
        MavenSession mavenSession = new MavenSession(rsession, request, new DefaultMavenExecutionResult());
        DefaultSession session =
                new DefaultSession(mavenSession, null, null, null, new SimpleLookup(getSessionServices()), null);
        InternalSession.associate(rsession, session);

        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) {

                            .build(),
                    null);
        }

        @Override
        protected Session newSession(
                MavenSession mavenSession, List<org.apache.maven.api.RemoteRepository> repositories) {
            return new SimpleSession(mavenSession, getRepositorySystem(), repositories);
        }

        @SuppressWarnings("unchecked")
        @Override

        MavenSession mavenSession =
                new MavenSession(container, session, mavenExecutionRequest, new DefaultMavenExecutionResult());
        legacySupport.setSession(mavenSession);
        InternalSession iSession = new DefaultSession(
                mavenSession,
                resolverRepositorySystem,
                null,
                null,

                .newRepositorySessionBuilder(mavenRequest)
                .build();
        request.setRepositorySession(rsession);
        MavenSession msession = new MavenSession(rsession, mavenRequest, new DefaultMavenExecutionResult());
        InternalSession session = new DefaultSession(
                msession,
                repositorySystem,
                null,

            return getDelegate()
                    .getToolchainFromBuildContext(session.getSession(), type)
                    .map(ToolchainManagerFactory.this::getToolchainV3)
                    .orElse(null);
        }

        @Override
        public List<Toolchain> getToolchains(MavenSession session, String type, Map<String, String> requirements) {

        InternalSession internalSession = InternalSession.from(configuration.getRepositorySession());
        InternalMavenSession mavenSession = InternalMavenSession.from(internalSession);
        mavenSession
                .getMavenSession()
                .getRequest()
                .setRootDirectory(pom.toPath().getParent());

    }

    public void execute(MavenSession session, ReactorContext reactorContext, List<TaskSegment> taskSegments)
            throws ExecutionException, InterruptedException {
        try (BuildContext ctx = new BuildContext(session, reactorContext, taskSegments)) {
            ctx.execute();
        }
    }

    class BuildContext implements AutoCloseable {
        final MavenSession session;

        return container;
    }

    @BeforeEach
    public void setUp() throws Exception {
        RepositorySystemSession repoSession = initRepoSession();
        MavenSession session = new MavenSession(
                getContainer(), repoSession, new DefaultMavenExecutionRequest(), new DefaultMavenExecutionResult());
        session.setSession(new DefaultSessionFactory(

import org.apache.maven.artifact.Artifact;
import org.apache.maven.classrealm.ClassRealmManager;
import org.apache.maven.di.Injector;
import org.apache.maven.di.Key;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.execution.scope.internal.MojoExecutionScope;
import org.apache.maven.execution.scope.internal.MojoExecutionScopeModule;
import org.apache.maven.internal.impl.DefaultLog;