builder.profiles(model.getProfiles().stream()
                    .map(p -> prune(Profile.newBuilder(p, true), p).build())
                    .collect(Collectors.toList()));

            model = builder.build();
            String modelVersion = new MavenModelVersion().getModelVersion(model);
            model = model.withModelVersion(modelVersion);
        } else {
            Model.Builder builder = prune(

                return xformed != path ? (builder != null ? builder : creator.get()).missing(xformed) : builder;
            }

            @Override
            protected ActivationFile.Builder transformActivationFile_Exists(
                    Supplier<? extends ActivationFile.Builder> creator,
                    ActivationFile.Builder builder,
                    ActivationFile target) {

     * be set on builder to make it able to create session instances.
     */
    @Override
    public SessionBuilder get() {
        requireNonNull(repositorySystem, "repositorySystem");
        SessionBuilder builder = repositorySystem.createSessionBuilder();
        configureSessionBuilder(builder);
        return builder;
    }

    <groupId>org.apache.maven</groupId>
    <artifactId>maven</artifactId>
    <version>4.0.0-beta-1-SNAPSHOT</version>
  </parent>

  <artifactId>maven-builder-support</artifactId>

  <name>Maven Builder Support</name>
  <description>Support for descriptor builders (model, setting, toolchains)</description>

  <dependencies>
    <dependency>
      <groupId>org.junit.jupiter</groupId>

            versioning.latest(artifact.getBaseVersion());
        }

        metadata.versioning(versioning.build());

        return metadata.build();
    }

    @Override
    protected void merge(Metadata recessive) {
        Versioning original = metadata.getVersioning();

        Versioning.Builder versioning = Versioning.newBuilder(original);
        versioning.lastUpdated(fmt.format(timestamp));

    @Nonnull
    static ModelBuilderRequest build(@Nonnull ModelBuilderRequest request, @Nonnull ModelSource source) {
        return builder(nonNull(request, "request cannot be null"))
                .source(nonNull(source, "source cannot be null"))
                .build();
    }

    @Nonnull
    static ModelBuilderRequest build(@Nonnull Session session, @Nonnull ModelSource source) {
        return builder()

        <artifactId>maven-artifact</artifactId>
        <version>${project.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache.maven</groupId>
        <artifactId>maven-builder-support</artifactId>
        <version>${project.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache.maven</groupId>
        <artifactId>maven-core</artifactId>

        Session session = ApiRunner.createSession();

        ModelBuilder builder = session.getService(ModelBuilder.class);
        ModelBuilderResult result = builder.build(ModelBuilderRequest.builder()
                .session(session)
                .source(ModelSource.fromPath(Paths.get("pom.xml").toAbsolutePath()))
                .projectBuild(true)
                .build());
        assertNotNull(result.getEffectiveModel());

            if (project.getFile() != null) {
                Build build = project.getBuild().getDelegate();
                project.addScriptSourceRoot(build.getScriptSourceDirectory());
                project.addCompileSourceRoot(build.getSourceDirectory());
                project.addTestCompileSourceRoot(build.getTestSourceDirectory());
            }

            project.setActiveProfiles(Stream.concat(

        return session.getService(ProjectBuilder.class)
                .build(ProjectBuilderRequest.builder()
                        .session(session)
                        .path(session.getPathForLocalArtifact(artifact))
                        .processPlugins(false)
                        .build())
                .getProject()
                .get();
    }

    @Test