.collect(Collectors.toList()));
            model = builder.build();
            String modelVersion = new MavenModelVersion().getModelVersion(model);
            model = model.withModelVersion(modelVersion);
        }
        return model;
    }

    private static <T extends ModelBase.Builder> T prune(T builder, ModelBase model) {
        builder.properties(null).reporting(null);

        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()
                .session(nonNull(session, "session cannot be null"))

            try (InputStream is = settingsSource.openStream()) {
                settings = request.getSession()
                        .getService(SettingsXmlFactory.class)
                        .read(XmlReaderRequest.builder()
                                .inputStream(is)
                                .location(settingsSource.getLocation())
                                .strict(true)
                                .build());

        Profile.Builder profile = Profile.newBuilder();

        profile.id(modelProfile.getId());

        org.apache.maven.api.model.Activation modelActivation = modelProfile.getActivation();

        if (modelActivation != null) {
            Activation.Builder activation = Activation.newBuilder();

        }

        return request;
    }

    // layer the creation of a project builder configuration with a request, but this will need to be
    // a Maven subclass because we don't want to couple maven to the project builder which we need to
    // separate.
    protected MavenSession createMavenSession(File pom) throws Exception {

                new DefaultLocalRepository(new LocalRepository("target/test-classes/apiv4-repo"));
        org.apache.maven.api.RemoteRepository remoteRepository = session.getRemoteRepository(
                new RemoteRepository.Builder("mirror", "default", "file:target/test-classes/repo").build());
        this.session = session.withLocalRepository(localRepository)
                .withRemoteRepositories(Collections.singletonList(remoteRepository));

            }
            Site.Builder sbuilder = Site.newBuilder(tgt);
            if (sourceDominant || tgt == null || isSiteEmpty(tgt)) {
                mergeSite(sbuilder, tgt, src, sourceDominant, context);
            }
            super.mergeSite_ChildSiteUrlInheritAppendPath(sbuilder, tgt, src, sourceDominant, context);
            builder.site(sbuilder.build());
        }
    }

    @Override

            Exception exception) {
        RepositoryListener listener = session.getRepositoryListener();
        if (listener != null) {
            RepositoryEvent.Builder event = new RepositoryEvent.Builder(session, EventType.METADATA_INVALID);
            event.setTrace(trace);
            event.setMetadata(metadata);
            event.setException(exception);
            event.setRepository(repository);

    <module>apache-maven</module>
    <module>maven-model</module>
    <module>maven-plugin-api</module>
    <module>maven-project</module>
    <module>maven-reporting-api</module>
    <module>maven-project-builder</module>
    <module>maven-mercury</module>
    <module>maven-embedder</module>
    <module>maven-toolchain</module>
    <module>maven-compat</module>
    <module>maven-repository</module>

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.lifecycle.internal.builder;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;