Model parentModel = result.getModelIds().size() > 1
                            && !result.getModelIds().get(1).isEmpty()
                    ? result.getRawModel(result.getModelIds().get(1)).orElse(null)
                    : null;

            if (parentModel != null) {
                final String parentGroupId = inheritedGroupId(result, 1);

        List<ProjectBuildingResult> results = projectBuilder.build(files, isRecursive, projectBuildingRequest);

        List<MavenProject> projects = new ArrayList<>(results.size());

        boolean problems = false;

        for (ProjectBuildingResult result : results) {
            projects.add(result.getProject());

            if (!result.getProblems().isEmpty() && LOGGER.isWarnEnabled()) {

        // initial try, use locally cached metadata

        List<MetadataResult> results = repositorySystem.resolveMetadata(request.getRepositorySession(), requests);
        requests.clear();

        PluginPrefixResult result = processResults(request, trace, results, requests);

        if (result != null) {
            return result;
        }

            if (!requests.isEmpty()) {
                List<ArtifactResult> results =
                        session.getRepositorySystem().resolveArtifacts(session.getSession(), requests);
                for (ArtifactResult result : results) {
                    Artifact artifact = session.getArtifact(result.getArtifact());
                    Path path = result.getArtifact().getPath();
                    artifactManager.setPath(artifact, path);

        for (ProjectBuildingResult result : results) {
            if (result.getPomFile().getParentFile().getName().equals("child")) {
                return result.getProject();
            }
        }
        return null;
    }

    private void assertResultShowNoError(List<ProjectBuildingResult> results) {
        for (ProjectBuildingResult result : results) {

[![Jenkins tests](https://img.shields.io/jenkins/t/https/ci-maven.apache.org/job/Maven/job/maven-box/job/maven/job/master.svg?)][test-results]


Apache Maven is a software project management and comprehension tool. Based on
the concept of a project object model (POM), Maven can manage a project's

        this.projectId = projectId;
        this.pomFile = pomFile;
    }

    public ProjectBuildingException(List<ProjectBuildingResult> results) {
        super("Some problems were encountered while processing the POMs");
        this.projectId = "";
        this.results = results;
    }

    public File getPomFile() {
        return pomFile;
    }

    /**
     * @deprecated use {@link #getPomFile()}
     */

        }
        return new Result<>(result.hasErrors() || hasErrors(problems), result.get(), list);
    }

    public static <T> Result<T> addProblems(Result<T> result, Result<?>... results) {
        final List<ModelProblem> problemsList = new ArrayList<>();

        for (Result<?> result1 : results) {
            for (ModelProblem modelProblem : result1.getProblems()) {
                problemsList.add(modelProblem);

            if (!requests.isEmpty()) {
                List<ArtifactResult> results =
                        session.getRepositorySystem().resolveArtifacts(session.getSession(), requests);
                for (ArtifactResult result : results) {
                    Artifact artifact = session.getArtifact(result.getArtifact());
                    Path path = result.getArtifact().getFile().toPath();

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

            children = new ArrayList<>();

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