mss = new MavenSession(repoSession, ms.getRequest(), ms.getResult());
        } else {
            mss = ms;
        }
        return newSession(mss, repositories);
    }

    protected Session newSession(MavenSession mavenSession, List<RemoteRepository> repositories) {
        return new DefaultSession(
                nonNull(mavenSession),
                getRepositorySystem(),
                repositories,

        return newSession(repoSession, repositories);
    }

    @Nonnull
    @Override
    public Session withRemoteRepositories(@Nonnull List<RemoteRepository> repositories) {
        return newSession(session, repositories);
    }

    protected abstract Session newSession(RepositorySystemSession session, List<RemoteRepository> repositories);

    @Nonnull

        this.mavenRepositorySystem = mavenRepositorySystem;
        this.lookup = lookup;
        this.runtimeInformation = runtimeInformation;
    }

    public InternalSession newSession(MavenSession mavenSession) {
        InternalSession session = new DefaultSession(
                mavenSession, repositorySystem, null, mavenRepositorySystem, lookup, runtimeInformation);

        MavenSession session = new MavenSession(
                getContainer(), repoSession, new DefaultMavenExecutionRequest(), new DefaultMavenExecutionResult());
        session.setSession(defaultSessionFactory.newSession(session));

        new DefaultSession(session, null, null, null, null, null);

        repoSession.setCache(new DefaultRepositoryCache());

            systemProperties = System.getenv().entrySet().stream()
                    .collect(Collectors.toMap(e -> "env." + e.getKey(), e -> e.getValue()));
        }

        @Override
        protected Session newSession(RepositorySystemSession session, List<RemoteRepository> repositories) {
            return new DefaultSession(session, repositorySystem, repositories, null, lookup);
        }

        @Override

    protected void initRepoSession(ProjectBuildingRequest request) {
        File localRepo = new File(request.getLocalRepository().getBasedir());
        DefaultRepositorySystemSession session = MavenRepositorySystemUtils.newSession();
        session.setLocalRepositoryManager(new LegacyLocalRepositoryManager(localRepo));
        request.setRepositorySession(session);

        File localRepoDir = new File(request.getLocalRepository().getBasedir());
        LocalRepository localRepo = new LocalRepository(localRepoDir);
        DefaultRepositorySystemSession session = MavenRepositorySystemUtils.newSession();
        session.setLocalRepositoryManager(new SimpleLocalRepositoryManagerFactory().newInstance(session, localRepo));
        request.setRepositorySession(session);
    }

        session.setProjects(projects);
        session.setAllProjects(session.getProjects());
        session.setSession(defaultSessionFactory.newSession(session));

        SessionScope sessionScope = getContainer().lookup(SessionScope.class);
        sessionScope.enter();
        sessionScope.seed(MavenSession.class, session);

                        getContainer().lookup(MavenRepositorySystem.class),
                        new DefaultLookup(getContainer()),
                        getContainer().lookup(RuntimeInformation.class))
                .newSession(session));

        legacySupport.setSession(session);
    }

    protected abstract String component();

    /**
     * Return an existing file, not a directory - causes creation to fail.
     *

            MavenSession session = new MavenSession(closeableSession, request, result);
            session.setSession(defaultSessionFactory.newSession(session));

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