DefaultRepositorySystemSession session = MavenRepositorySystemUtils.newSession();
        session.setLocalRepositoryManager(new LegacyLocalRepositoryManager(localRepo));
        request.setRepositorySession(session);

        DefaultMavenExecutionRequest mavenExecutionRequest = new DefaultMavenExecutionRequest();
        MavenSession msession =

                    request.getRepositories() != null ? request.getRepositories() : session.getRemoteRepositories());
            ProjectBuildingRequest req = new DefaultProjectBuildingRequest()
                    .setRepositorySession(session.getSession())
                    .setRemoteRepositories(repositories)
                    .setPluginArtifactRepositories(repositories)
                    .setProcessPlugins(request.isProcessPlugins());

    private List<MavenProject> getProjectsForMavenReactor(MavenSession session) throws ProjectBuildingException {
        MavenExecutionRequest request = session.getRequest();
        request.getProjectBuildingRequest().setRepositorySession(session.getRepositorySession());

        // 1. Collect project for invocation without a POM.
        if (request.getPom() == null) {
            return pomlessCollectionStrategy.collectProjects(request);

                .get()
                .withLocalRepositories(localRepo)
                .build();
        projectBuildingRequest.setRepositorySession(session);

        DefaultSessionFactory defaultSessionFactory =
                new DefaultSessionFactory(repositorySystem, null, new DefaultLookup(container), null);

    }

    private ProjectBuildingRequest injectSession(ProjectBuildingRequest request) {
        MavenSession session = legacySupport.getSession();
        if (session != null) {
            request.setRepositorySession(session.getRepositorySession());
            request.setSystemProperties(session.getSystemProperties());
            if (request.getUserProperties().isEmpty()) {

    public MavenProject getCurrentProject() {
        return currentProject.get();
    }

    public ProjectBuildingRequest getProjectBuildingRequest() {
        return request.getProjectBuildingRequest().setRepositorySession(getRepositorySession());
    }

    public List<String> getPluginGroups() {
        return request.getPluginGroups();
    }

    public boolean isOffline() {
        return request.isOffline();

                        configuration.setSystemProperties(getSystemProperties());
                        configuration.setUserProperties(new Properties());
                    }
                    configuration.setRepositorySession(legacySupport.getRepositorySession());

                    project = projectBuilder.build(pomArtifact, configuration).getProject();
                } catch (ProjectBuildingException e) {