/**
     * Builds the effective settings of the specified settings paths.
     *
     * @return the result of the settings building, never {@code null}
     * @throws SettingsBuilderException if the effective settings could not be built
     */
    @Nonnull
    default SettingsBuilderResult build(
            @Nonnull Session session, @Nonnull Path globalSettingsPath, @Nonnull Path userSettingsPath) {

            }
        } else {
            return doRead(request);
        }
    }

    private Path doLocateExistingPom(Path project) {
        if (project == null) {
            project = Paths.get(System.getProperty("user.dir"));
        }
        if (Files.isDirectory(project)) {
            Path pom = project.resolve("pom.xml");
            return Files.isRegularFile(pom) ? pom : null;

    public Model transform(ModelTransformerContext context, Model model, Path path) {
        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();
    }

    //

            return;
        }
        if (Features.buildConsumer(session.getUserProperties())) {
            Path buildDir =
                    project.getBuild() != null ? Paths.get(project.getBuild().getDirectory()) : null;
            if (buildDir != null) {
                Files.createDirectories(buildDir);
            }
            Path consumer = buildDir != null

    @Override
    public void attachArtifact(Project project, Artifact artifact, Path path) {
        getMavenProject(project)
                .addAttachedArtifact(RepositoryUtils.toArtifact(
                        ((DefaultProject) project).getSession().toArtifact(artifact)));
        artifactManager.setPath(artifact, path);
    }

    @Override
    public List<Path> getCompileSourceRoots(Project project, ProjectScope scope) {

    public String alignToBaseDirectory(String path, Path basedir) {
        String result = path;

        if (path != null && basedir != null) {
            path = path.replace('\\', File.separatorChar).replace('/', File.separatorChar);

            File file = new File(path);
            if (file.isAbsolute()) {
                // path was already absolute, just normalize file separator and we're done

        this.project = project;

        Path basedir = null;

        if (project != null) {
            Path projectFile = project.getBasedir();
            basedir = projectFile.toAbsolutePath();
        }

        if (basedir == null) {
            basedir = session.getTopDirectory();
        }

        if (basedir == null) {
            basedir = Paths.get(System.getProperty("user.dir"));
        }

        if (resource != null) {
            String newDir = alignToBaseDirectory(resource.getDirectory(), basedir);
            if (newDir != null) {
                return resource.withDirectory(newDir);
            }
        }
        return resource;
    }

    private String alignToBaseDirectory(String path, Path basedir) {

            path = pathPattern.replace("${" + basedirSysProp + "}", basedir);
            path = path.replace("\\", "/");
            // ---------------------------------------------------------------------------------
            // I'm not sure if this last regexp was really intended to disallow the usage of
            // network paths as user.home directory. Unfortunately it did. I removed it and

import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.repository.LocalRepository;
import org.eclipse.aether.repository.RemoteRepository;
import org.eclipse.aether.repository.WorkspaceRepository;

/**
 * Caches raw plugin descriptors. A raw plugin descriptor is a descriptor that has just been extracted from the plugin
 * artifact and does not contain any runtime specific data. The cache must not be used for descriptors that hold runtime