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 {

            } else if (file.getPath().startsWith(File.separator)) {
                // drive-relative Windows path, don't align with project directory but with drive root
                file = file.getAbsoluteFile();
            } else {
                // an ordinary relative path, align with project directory
                file = basedir.resolve(file.getPath())
                        .normalize()

                        + new File(System.getProperty("basedir", "."), "src/test/remote-repo")
                                .getAbsoluteFile()
                                .toURI()
                                .getPath(),
                new DefaultRepositoryLayout(),
                new ArtifactRepositoryPolicy(),
                new ArtifactRepositoryPolicy());
    }

    @Override

        assertNotNull(resolved);
        assertNotNull(resolved.getPath());
        Optional<Path> op = session.getArtifactPath(resolved);
        assertTrue(op.isPresent(), "Expected " + op + ".isPresent() to return true");
        assertEquals(resolved.getPath(), op.get());
    }

    @Test
    void testBuildProject() {

     *
     * @return an optional containing the path to the project, or empty if not specified
     */
    @Nonnull
    Optional<Path> getPath();

    /**
     * Gets the source of the project to build.
     * This is an alternative to specifying a path, allowing the project to be built from
     * a model source such as a string or input stream.
     *

    }

    @Nonnull
    @Override
    public Optional<Path> getPath(@Nonnull Project project) {
        requireNonNull(project, "project" + " cannot be null");
        Optional<ProducedArtifact> mainArtifact = project.getMainArtifact();
        return mainArtifact.flatMap(artifactManager::getPath);
    }

    @Nonnull
    @Override

 */
@Experimental
@Immutable
public interface DownloadedArtifact extends Artifact {

    /**
     * {@return the a path to the file that has been downloaded to the file system}.
     */
    Path getPath();

    }

    @Override
    public ModelSource2 getRelatedSource(String relPath) {
        relPath = relPath.replace('\\', File.separatorChar).replace('/', File.separatorChar);

        Path relatedPom = getPath().getParent().resolve(relPath);

        if (Files.isDirectory(relatedPom)) {
            // TODO figure out how to reuse ModelLocator.locatePom(File) here
            relatedPom = relatedPom.resolve("pom.xml");
        }

        URI uri = URI.create("jar:" + gradleRuntimeApiInfoJar.getAbsoluteFile().toURI());
        try (FileSystem fs = FileSystems.newFileSystem(uri, Collections.emptyMap())) {
            Path upgradedPropertiesJson = fs.getPath(UPGRADED_PROPERTIES_FILE);
            if (Files.exists(upgradedPropertiesJson)) {
                Files.copy(upgradedPropertiesJson, to.getAsFile().get().toPath(), StandardCopyOption.REPLACE_EXISTING);
            } else {

    Path createFile() throws IOException {
      Path file = java.nio.file.Files.createTempFile("SinkSourceFile", "txt");
      fileThreadLocal.set(file);
      return file;
    }

    Path getPath() {
      return fileThreadLocal.get();
    }

    // acts as an override in subclasses that implement SourceSinkFactory
    @SuppressWarnings("EffectivelyPrivate")