problems = new ArrayList<>();
    }

    DefaultModelBuildingResult(ModelBuildingResult result) {
        this();
        this.activeExternalProfiles.addAll(result.getActiveExternalProfiles());
        this.effectiveModel = result.getEffectiveModel();
        this.fileModel = result.getFileModel();
        this.problems.addAll(result.getProblems());

        for (String modelId : result.getModelIds()) {

     * contributed by {@link ModelBuilderRequest#getProfiles()}.
     *
     * @return The active external profiles or an empty list if none, never {@code null}.
     */
    @Nonnull
    List<Profile> getActiveExternalProfiles();

    /**
     * Gets the problems that were encountered during the project building.
     *
     * @return the problems that were encountered during the project building, can be empty but never {@code null}

            tmp.setEffectiveModel(result.getEffectiveModel());
            tmp.setProblems(getProblems());
            tmp.setActiveExternalProfiles(result.getActiveExternalProfiles());
            String id = getRootModelId();
            tmp.addModelId(id);
            tmp.setRawModel(id, getRootModel());
            result = tmp;
        }

     * contributed by {@link ModelBuildingRequest#getProfiles()}.
     *
     * @return The active external profiles or an empty list if none, never {@code null}.
     */
    List<Profile> getActiveExternalProfiles();

    /**
     * Gets the problems that were encountered during the model building. Note that only problems of severity

        // profile activation
        DefaultProfileActivationContext profileActivationContext = getProfileActivationContext(request);

        List<Profile> activeExternalProfiles = result.getActiveExternalProfiles();

        if (!activeExternalProfiles.isEmpty()) {
            Properties profileProps = new Properties();
            for (Profile profile : activeExternalProfiles) {