this.systemProperties = systemProperties;
            return this;
        }

        public ModelBuilderRequestBuilder userProperties(Map<String, String> userProperties) {
            this.userProperties = userProperties;
            return this;
        }

        public ModelBuilderRequestBuilder modelResolver(ModelResolver modelResolver) {

     * line.
     *
     * @param userProperties The user properties, may be {@code null}.
     * @return This context, never {@code null}.
     */
    public DefaultProfileActivationContext setUserProperties(Map<String, String> userProperties) {
        this.userProperties = unmodifiable(userProperties);
        return this;
    }

    @Override
    public Path getProjectDirectory() {
        return projectDirectory;
    }

        return this;
    }

    @Override
    public MavenExecutionRequest setUserProperties(Properties userProperties) {
        if (userProperties != null) {
            this.userProperties = new Properties();
            this.userProperties.putAll(userProperties);
        } else {
            this.userProperties = null;
        }

        return this;
    }

    @Override

/**
 *
 * @since 4.0.0
 */
class DefaultModelTransformerContext implements ModelTransformerContext {
    final ModelProcessor modelLocator;

    final Map<String, String> userProperties = new ConcurrentHashMap<>();

    final Map<Path, Holder> modelByPath = new ConcurrentHashMap<>();

    final Map<GAKey, Holder> modelByGA = new ConcurrentHashMap<>();

    public static class Holder {

@Priority(50)
@SuppressWarnings("checkstyle:MagicNumber")
public final class UserPropertiesArtifactRelocationSource implements MavenArtifactRelocationSource {
    public static final String NAME = "userProperties";
    private static final Logger LOGGER = LoggerFactory.getLogger(UserPropertiesArtifactRelocationSource.class);

    private static final String CONFIG_PROP_RELOCATIONS_ENTRIES = "maven.relocations.entries";

        Map<String, String> userProperties = new HashMap<>(request.getUserProperties());
        if (!userProperties.containsKey(ProfileActivationContext.PROPERTY_NAME_PACKAGING)) {
            userProperties.put(ProfileActivationContext.PROPERTY_NAME_PACKAGING, model.getPackaging());
        }
        context.setUserProperties(userProperties);
        context.setProjectDirectory(model.getProjectDirectory());

            public Path locate(Path path) {
                return context.locate(path);
            }

            @Override
            public String getUserProperty(String key) {
                return context.userProperties.computeIfAbsent(
                        key, k -> request.getUserProperties().get(key));
            }

            @Override
            public Model getRawModel(Path from, String gId, String aId) {

        Properties userProperties = request.getUserProperties();
        if (!userProperties.containsKey(ProfileActivationContext.PROPERTY_NAME_PACKAGING)) {
            userProperties.put(
                    ProfileActivationContext.PROPERTY_NAME_PACKAGING,
                    request.getFileModel().getPackaging());
        }
        context.setUserProperties(userProperties);
        context.setProjectDirectory(

                        .systemProperties(toProperties(session.getUserProperties(), session.getSystemProperties()))
                        .userProperties(Map.of())
                        .modelResolver(modelResolver)
                        .modelRepositoryHolder(modelRepositoryHolder)
                        .modelCache(DefaultModelCache.newInstance(session, false))

        request.transformerContextBuilder(modelBuilder.newTransformerContextBuilder());
        request.systemProperties(session.getSystemProperties());
        request.userProperties(session.getUserProperties());
        request.modelCache(DefaultModelCache.newInstance(session, false));
        if (session.getCache() != null) {