*
 * <p>If you have your own graph implementation based around a custom node type {@code MyNode},
 * which has a method {@code getParents()} that retrieves its predecessors in a graph:
 *
 * {@snippet :
 * someGraphAlgorithm(startNode, MyNode::getParents);
 * }
 *
 * <p>If you have some other mechanism for returning the predecessors of a node, or one that doesn't

        }

        String getLabel() {
            return label;
        }

        List<Vertex> getChildren() {
            return children;
        }

        List<Vertex> getParents() {
            return parents;
        }
    }

    static class CycleDetectedException extends RuntimeException {
        private final List<String> cycle;

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

        assertNotNull(project1.getParent(), "Parent is null");
        assertEquals(pom0Basedir, project1.getParent().getBasedir());
        Map map = project1.getArtifactMap();

        assertNotNull(map, "No artifacts");
        assertFalse(map.isEmpty(), "No Artifacts");

                        Files.createDirectories(path.getParent());
                        Files.copy(zis, path, StandardCopyOption.REPLACE_EXISTING);
                    } else if ("css".equals(names[0])) {
                        names[0] = themeName;
                        final Path path = ResourceUtil.getCssPath(names);
                        Files.createDirectories(path.getParent());

            assertEquals("smb1://server/share/", new SmbFile("smb1://server/share/file.txt").getParent());
            // Test parent of a directory
            assertEquals("smb1://server/share/", new SmbFile("smb1://server/share/dir/").getParent());
            // Test parent of a share
            assertEquals("smb1://server/", new SmbFile("smb1://server/share/").getParent());
            // Test parent of a server

    }

    @Override
    public Path getRootDirectory() {
        return project.getRootDirectory();
    }

    @Override
    public Optional<Project> getParent() {
        MavenProject parent = project.getParent();
        return Optional.ofNullable(session.getProject(parent));
    }

    @Override
    @Nonnull
    public List<Profile> getDeclaredProfiles() {

        String groupId = model.getGroupId();
        if (groupId == null && model.getParent() != null) {
            groupId = model.getParent().getGroupId();
        }

        String artifactId = model.getArtifactId();

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

            jar.metaInf(spec -> {
                spec.from(licenseFile.getParent(), from -> {
                    from.include(licenseFile.getName());
                    from.rename(s -> "LICENSE.txt");
                });
                spec.from(noticeFile.getParent(), from -> {
                    from.include(noticeFile.getName());
                    from.rename(s -> "NOTICE.txt");

        this.objectFactory = objectFactory;
    }

    @Override
    public void apply(Project project) {
        File rootDir = (project.getGradle().getParent() == null) ?
                project.getRootDir() :
                project.getGradle().getParent().getRootProject().getRootDir();

        gitInfo = objectFactory.property(GitInfo.class).value(factory.provider(() ->
            GitInfo.gitInfo(rootDir)
        ));

        // we want to see all top-level thread groups
        ThreadGroup tg = Thread.currentThread().getThreadGroup();
        while (tg.getParent() == null) {
            tg = tg.getParent();
        }

        ThreadGroup[] tgList = new ThreadGroup[tg.activeGroupCount()];
        tg.enumerate(tgList);

        boolean seen = false;