localProject = pomResult.getRepository() instanceof WorkspaceRepository;
            } catch (org.eclipse.aether.resolution.ArtifactResolutionException e) {
                if (e.getResults().get(0).isMissing() && allowStubModel) {
                    return build(null, createStubModelSource(artifact));
                }
                throw new ProjectBuildingException(

        assertEquals(1, pex.getResults().size());
        assertNotNull(pex.getResults().get(0).getPomFile());
        assertThat(pex.getResults().get(0).getProblems().size(), greaterThan(0));
        assertThat(
                pex.getResults(),
                contains(projectBuildingResultWithProblemMessage(

        } else {
            return "null";
        }
    }

    public String getProjectId() {
        return projectId;
    }

    public List<ProjectBuildingResult> getResults() {
        return results;
    }

    private static String createMessage(String message, String projectId, File pomFile) {
        StringBuilder buffer = new StringBuilder(256);
        buffer.append(message);

     *         {@code null}.
     * @throws ProjectBuildingException If an error was encountered during building of any project.
     *             {@link ProjectBuildingException#getResults()} provides access to the details of the problems.
     */
    List<ProjectBuildingResult> build(List<File> pomFiles, boolean recursive, ProjectBuildingRequest request)
            throws ProjectBuildingException;

        List<ExceptionSummary> children = null;

        if (exception instanceof ProjectBuildingException) {
            List<ProjectBuildingResult> results = ((ProjectBuildingException) exception).getResults();

            children = new ArrayList<>();

            for (ProjectBuildingResult result : results) {
                ExceptionSummary child = handle(result);
                if (child != null) {

                ProjectBuildingException.class,
                () -> projectBuilder.build(pomFile, request),
                "Project building did not fail despite invalid POM");
        List<ProjectBuildingResult> results = e.getResults();
        assertNotNull(results);
        assertEquals(1, results.size());
        ProjectBuildingResult result = results.get(0);
        assertNotNull(result);
        assertNotNull(result.getProject());

     */
    private boolean isModuleOutsideRequestScopeDependingOnPluginModule(
            MavenExecutionRequest request, ProjectBuildingException exception) {
        return exception.getResults().stream()
                .map(ProjectBuildingResult::getProject)
                .filter(Objects::nonNull)
                .filter(project -> request.getPom().equals(project.getFile()))
                .findFirst()