assertArgumentNotNull("rootDir", rootDir);
        assertArgumentNotNull("handler", handler);

        final File baseDir = getBaseDir(rootDir, baseDirectory);
        if (baseDir.exists()) {
            traverseFileSystem(rootDir, baseDir, handler);
        }
    }

    /**
     * Traverses resources contained in a Jar file.
     *

        File basedir = new File("target/spacy path").getAbsoluteFile();
        ArtifactRepository repo = repositorySystem.createLocalRepository(basedir);
        assertEquals(basedir, new File(repo.getBasedir()));
    }

    @Test
    void testAuthenticationHandling() {
        Server server = new Server();
        server.setId("repository");
        server.setUsername("jason");
        server.setPassword("abc123");

        // load everything...
        MavenProject project0 = getProjectWithDependencies(pom0);
        MavenProject project1 = getProjectWithDependencies(pom1);

        assertEquals(pom0Basedir, project1.getParent().getBasedir());
        System.out.println("Project " + project1.getId() + " " + project1);
        Set set = project1.getArtifacts();
        assertNotNull(set, "No artifacts");
        assertFalse(set.isEmpty(), "No Artifacts");

        // load everything...
        MavenProject project0 = getProject(pom0);
        MavenProject project1 = getProject(pom1);

        assertEquals(pom0Basedir, project1.getParent().getBasedir());
    }

            throws RepositoryMetadataStoreException {
        File destination = new File(
                localRepository.getBasedir(), localRepository.pathOfLocalRepositoryMetadata(this, remoteRepository));

        // ----------------------------------------------------------------------------

        MavenProject project0 = getProjectWithDependencies(pom0);
        MavenProject project1 = getProjectWithDependencies(pom1);

        assertEquals(pom0Basedir, project1.getParent().getBasedir());
        Set set = project1.getArtifacts();
        assertNotNull(set, "No artifacts");
        assertFalse(set.isEmpty(), "No Artifacts");
        assertTrue(set.size() == 3, "Set size should be 3, is " + set.size());

        MavenProject project0 = getProjectWithDependencies(pom0);
        MavenProject project1 = getProjectWithDependencies(pom1);

        assertEquals(pom0Basedir, project1.getParent().getBasedir());
        System.out.println("Project " + project1.getId() + " " + project1);
        Map map = project1.getArtifactMap();
        assertNotNull(map, "No artifacts");
        assertFalse(map.isEmpty(), "No Artifacts");

        MetadataRepository(File metadataFile) {
            super("local", "", null);
            this.metadataFile = metadataFile;
        }

        @Override
        public String getBasedir() {
            return metadataFile.getParent();
        }

        @Override
        public String pathOfLocalRepositoryMetadata(ArtifactMetadata metadata, ArtifactRepository repository) {

    }

    protected void initRepoSession(ProjectBuildingRequest request) throws Exception {
        File localRepo = new File(request.getLocalRepository().getBasedir());
        DefaultRepositorySystemSession session = MavenRepositorySystemUtils.newSession();
        session.setScopeManager(new ScopeManagerImpl(Maven4ScopeManagerConfiguration.INSTANCE));

        }

        return sb.toString();
    }

    @Override
    public Artifact find(Artifact artifact) {
        File artifactFile = new File(getBasedir(), pathOf(artifact));

        // We need to set the file here or the resolver will fail with an NPE, not fully equipped to deal
        // with multiple local repository implementations yet.