* @param problems The problems that were encountered, may be {@code null}.
     */
    DefaultProjectBuildingResult(String projectId, File pomFile, List<ModelProblem> problems) {
        this.projectId = (projectId != null) ? projectId : "";
        this.pomFile = pomFile;
        this.project = null;
        this.problems = problems != null ? problems : Collections.emptyList();

     * @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 injectLifecycleBindings(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 injectProfile(Model model, Profile profile, ModelBuildingRequest request, ModelProblemCollector problems);

        SimpleProblemCollector problems = new SimpleProblemCollector();

        assertEquals(active, activator.isActive(new org.apache.maven.model.Profile(profile), context, problems));

        assertEquals(0, problems.getErrors().size(), problems.getErrors().toString());
        assertEquals(0, problems.getWarnings().size(), problems.getWarnings().toString());
    }

    private final ModelProblemCollector problems;

    ProblemDetectingValueSource(
            ValueSource valueSource, String bannedPrefix, String newPrefix, ModelProblemCollector problems) {
        this.valueSource = valueSource;
        this.bannedPrefix = bannedPrefix;
        this.newPrefix = newPrefix;
        this.problems = problems;
    }

    @Override

    Settings getEffectiveSettings();

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

     * @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 validateRawModel(Model model, ModelBuildingRequest request, ModelProblemCollector problems);

    /**
     * Checks the specified (effective) model for missing or invalid values. The effective model is fully assembled and

     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    default void validate(Settings settings, boolean isProjectSettings, SettingsProblemCollector problems) {
        validate(settings, problems);
    }

@Singleton
@Deprecated(since = "4.0.0")
public class PropertyProfileActivator implements ProfileActivator {

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

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

        ActivationProperty property = activation.getProperty();

     *            {@code null}.
     * @param problems The container used to collect problems (e.g. bad syntax) that were encountered, must not be
     *            {@code null}.
     * @return {@code true} if the profile is active, {@code false} otherwise.
     */
    boolean isActive(Profile profile, ProfileActivationContext context, ModelProblemCollector problems);

    /**