Model.Builder builder = Model.newBuilder(model);
        handleModelVersion(context, model, path, builder);
        handleParent(context, model, path, builder);
        handleReactorDependencies(context, model, path, builder);
        handleCiFriendlyVersion(context, model, path, builder);
        return builder.build();
    }

    //
    // Infer modelVersion from namespace URI
    //

 */
package org.apache.maven.internal.impl.model;

import java.nio.file.Path;

import org.apache.maven.api.model.Model;
import org.apache.maven.api.services.ModelProblem;

/**
 * Assists in the handling of model problems.
 *
 */
public class ModelProblemUtils {

    /**
     * Creates a user-friendly source hint for the specified model.
     *
     * @param model The model to create a source hint for, may be {@code null}.

import org.apache.maven.api.model.Exclusion;
import org.apache.maven.api.model.Extension;
import org.apache.maven.api.model.InputLocation;
import org.apache.maven.api.model.IssueManagement;
import org.apache.maven.api.model.Model;
import org.apache.maven.api.model.ModelBase;
import org.apache.maven.api.model.Organization;
import org.apache.maven.api.model.Plugin;
import org.apache.maven.api.model.PluginExecution;

            org.apache.maven.model.Model model =
                    new org.apache.maven.model.Model(new MavenStaxReader().read(inputStream));
            project = new MavenProject(model);
            project.setRootDirectory(Paths.get("src/test/resources/consumer/trivial"));
            project.setOriginalModel(model);

                .orElse(null);
    }

    private String getVersion(Model model) {
        String version = model.getVersion();
        if (version == null && model.getParent() != null) {
            version = model.getParent().getVersion();
        }
        return version;
    }

    void put(Path pomFile, Model model) {
        modelsByPath.put(pomFile, model);
        modelsByGa

    @Override
    public Model injectManagement(Model model, ModelBuilderRequest request, ModelProblemCollector problems) {
        return merger.mergeManagedDependencies(model);
    }

    /**
     * ManagementModelMerger
     */
    protected static class ManagementModelMerger extends MavenModelMerger {

        public Model mergeManagedDependencies(Model model) {

    @Override
    public Model injectManagement(Model model, ModelBuilderRequest request, ModelProblemCollector problems) {
        return merger.mergeManagedBuildPlugins(model);
    }

    /**
     * ManagementModelMerger
     */
    protected static class ManagementModelMerger extends MavenModelMerger {

        public Model mergeManagedBuildPlugins(Model model) {
            Build build = model.getBuild();

     *
     * @param model The model to interpolate, must not be {@code null}.
     * @param projectDir The project directory, may be {@code null} if the model does not belong to a local project but
     *            to some artifact's metadata.
     * @param request The model building request that holds further settings, must not be {@code null}.

        this.pathTranslator = pathTranslator;
    }

    @Override
    public Model alignToBaseDirectory(Model model, Path basedir, ModelBuilderRequest request) {
        if (model == null || basedir == null) {
            return model;
        }

        Build build = model.getBuild();
        Build newBuild = null;
        if (build != null) {
            newBuild = Build.newBuilder(build)

 * <ol>
 * <li>success - in which case only the model field is set
 * <li>success with warnings - model field + non-error model problems
 * <li>error - no model, but diagnostics
 * <li>error - (partial) model and diagnostics
 * </ol>
 * Could encode these variants as subclasses, but kept in one for now
 *
 * @param <T> the model type
 */
public class Result<T> {

    /**