syncContext.acquire(null, Collections.singleton(metadata));

                    if (metadata.getPath() != null && Files.exists(metadata.getPath())) {
                        try (InputStream in = Files.newInputStream(metadata.getPath())) {
                            versioning =
                                    new MetadataStaxReader().read(in, false).getVersioning();

    }

    /**
     * Shortcut for <code>getService(ArtifactManager.class).getPath(...)</code>
     *
     * @see ArtifactManager#getPath(Artifact)
     */
    @Nonnull
    @Override
    public Optional<Path> getArtifactPath(@Nonnull Artifact artifact) {
        return getService(ArtifactManager.class).getPath(artifact);
    }

    /**

        File f = new File(getBasedir(), path);

        f.createNewFile();

        return artifactRepositoryFactory.createArtifactRepository(
                "test", "file://" + f.getPath(), repoLayout, null, null);
    }

    protected String getRepositoryLayout() {
        return "default";
    }

    protected ArtifactRepository localRepository() throws Exception {

                    syncContext.acquire(null, Collections.singleton(metadata));

                    if (metadata.getPath() != null && Files.exists(metadata.getPath())) {
                        try (InputStream in = Files.newInputStream(metadata.getPath())) {
                            versioning =
                                    new MetadataStaxReader().read(in, false).getVersioning();

        return type;
    }

    /** @return the classifier */
    public String getClassifier() {
        return this.classifier;
    }

    /** @return the path */
    public String getPath() {
        return this.path;
    }

    public List<ArtifactRepository> getRemoteRepositories() {
        return remoteRepositories;
    }

    public String getOriginalMessage() {

            File file = artifact.getFile();
            this.artifact = ArtifactUtils.copyArtifact(artifact);
            if ("pom".equals(artifact.getType()) && file != null) {
                pomHash = file.getPath().hashCode() + file.lastModified();
            } else {
                pomHash = 0;
            }
            this.resolveManagedVersions = resolveManagedVersions;
            this.repositories.add(localRepository);

        policy.setUpdatePolicy("always");

        Repository repository = new Repository();
        repository.setId(MavenRepositorySystem.DEFAULT_REMOTE_REPO_ID);
        repository.setUrl("file://" + repoDir.toURI().getPath());
        repository.setReleases(policy);
        repository.setSnapshots(policy);

        return Arrays.asList(repositorySystem.buildArtifactRepository(repository));
    }

                        .projectBuild(false)
                        .processPlugins(false)
                        .twoPhaseBuilding(false)
                        .source(ModelSource.fromPath(pomArtifact.getPath(), gav))
                        // This merge is on purpose because otherwise user properties would override model
                        // properties in dependencies the user does not know. See MNG-7563 for details.

    /**
     * Shortcut for {@code getService(ArtifactManager.class).getPath(...)}.
     *
     * @param artifact the artifact for which to get a path
     * @return path associated to the given artifact
     *
     * @see org.apache.maven.api.services.ArtifactManager#getPath(Artifact)
     */
    @Nonnull
    Optional<Path> getArtifactPath(@Nonnull Artifact artifact);

    /**

        return new ArtifactManager() {
            private final Map<Artifact, Path> paths = new ConcurrentHashMap<>();

            @Override
            public Optional<Path> getPath(Artifact artifact) {
                return Optional.ofNullable(paths.get(artifact));
            }

            @Override
            public void setPath(Artifact artifact, Path path) {