validateStringNotEmpty("modelVersion", problems, Severity.ERROR, Version.BASE, m.getModelVersion(), m);

        validateId("groupId", problems, m.getGroupId(), m);

        validateId("artifactId", problems, m.getArtifactId(), m);

        validateStringNotEmpty("packaging", problems, Severity.ERROR, Version.BASE, m.getPackaging(), m);

                        (problemsCount == 1) ? "problem was" : "problems were",
                        result.getProjectId());

                if (request.isShowErrors()) { // this means -e or -X (as -X enables -e as well)
                    for (ModelProblem problem : result.getProblems()) {
                        String loc = ModelProblemUtils.formatLocation(problem, result.getProjectId());

        SimpleProblemCollector problems = new SimpleProblemCollector();
        List<Profile> active = selector.getActiveProfiles(profiles, context, problems);
        assertTrue(
                active.isEmpty(), "Expected collection to be empty but had " + active.size() + " elements: " + active);
        assertEquals(1, problems.getErrors().size());
        assertEquals(

            problemCollector.problems().map(BuildSession::convert).forEach(problems::add);
            if (problemCollector.problemsOverflow()) {
                problems.add(
                        0,
                        new DefaultModelProblem(
                                "Too many model problems reported (listed problems are just a subset of reported problems)",

     */
    @Nonnull
    List<Profile> getActiveExternalProfiles();

    /**
     * Gets the problem collector that collected problems encountered during the project building.
     *
     * @return the problem collector that collected problems encountered during the project building
     */
    @Nonnull
    ProblemCollector<ModelProblem> getProblemCollector();

    /**

            child = child.clone();
            child.setPomFile(null);
        }

        SimpleProblemCollector problems = new SimpleProblemCollector();

        Model assembled = child.clone();
        assembler.assembleModelInheritance(assembled, parent, null, problems);

        // write baseName + "-actual"
        File actual = new File(

            return result.getFileModel().getId();
        } else {
            return "";
        }
    }

    /**
     * Gets the problems that caused this exception.
     *
     * @return The problems that caused this exception, never {@code null}.
     */
    public ProblemCollector<ModelProblem> getProblemCollector() {
        if (result == null) {

    "functionalTests": true,
    "crossVersionTests": true
  },
  {
    "name": "problems",
    "path": "platforms/ide/problems",
    "unitTests": true,
    "functionalTests": true,
    "crossVersionTests": false
  },
  {
    "name": "problems-api",
    "path": "platforms/ide/problems-api",
    "unitTests": true,
    "functionalTests": true,
    "crossVersionTests": false
  },

     */
    public ToolchainsBuilderException(String message, Exception e) {
        super(message, e);
    }

    public ToolchainsBuilderException(String message, ProblemCollector<BuilderProblem> problems) {
        super(message, problems);
    }

     */
    public SettingsBuilderException(String message, Exception e) {
        super(message, e);
    }

    public SettingsBuilderException(String message, ProblemCollector<BuilderProblem> problems) {
        super(message, problems);
    }