*            {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     * @return The profiles that have been activated, never {@code null}.
     */
    List<Profile> getActiveProfiles(
            Collection<Profile> profiles, ProfileActivationContext context, ModelProblemCollector problems);

     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    void expandPluginConfiguration(Model model, ModelBuildingRequest request, ModelProblemCollector problems);

     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    void convertReporting(Model model, ModelBuildingRequest request, ModelProblemCollector problems);

     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    void importManagement(
            Model target,
            List<? extends DependencyManagement> sources,
            ModelBuildingRequest request,
            ModelProblemCollector problems);

     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     * @return The interpolated model, never {@code null}.
     */
    Model interpolateModel(Model model, File projectDir, ModelBuildingRequest request, ModelProblemCollector problems);

    /**
     * Gets the problems that were encountered during the model building. Note that only problems of severity
     * {@link ModelProblem.Severity#WARNING} and below are reported here. Problems with a higher severity level cause
     * the model builder to fail with a {@link ModelBuildingException}.
     *

            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) {

    private static final Pattern FILTER_3 = Pattern.compile("\\."); // used for split now

    @Override
    public boolean isActive(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        Activation activation = profile.getActivation();

        if (activation == null) {
            return false;
        }

        String jdk = activation.getJdk();

        if (jdk == null) {

     */
    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);
    }