// phase 1: get file Models from the reactor.
            List<InterimResult> interimResults = build(projectIndex, pomFiles, new LinkedHashSet<>(), true, recursive);

            ClassLoader oldContextClassLoader = Thread.currentThread().getContextClassLoader();

            try {
                // Phase 2: get effective models from the reactor

    @Nonnull
    @Override
    public ProjectBuilderResult build(ProjectBuilderRequest request)
            throws ProjectBuilderException, IllegalArgumentException {
        InternalMavenSession session = InternalMavenSession.from(request.getSession());
        try {
            List<ArtifactRepository> repositories = session.toArtifactRepositories(session.getRemoteRepositories());
            ProjectBuildingRequest req = new DefaultProjectBuildingRequest()