try {
            AtomicReference<Parent> modified = new AtomicReference<>();
            Session session = request.getSession()
                    .withRemoteRepositories(request.getModelRepositoryHolder().getRepositories());
            modelSource = modelResolver.resolveModel(session, parent, modified);
            if (modified.get() != null) {
                parent = modified.get();
            }

            /* TODO: bv4
            InternalMavenSession session =
                    (InternalMavenSession) this.session.getData().get(InternalMavenSession.class);
            if (session != null) {
                try {
                    modelBuildingRequest.setRootDirectory(session.getRootDirectory());
                } catch (IllegalStateException e) {

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