File file = newDir("some-dir");

    assertThat(Files.fileTraverser().breadthFirst(rootDir)).containsExactly(rootDir, file);
  }

  public void testFileTraverser_multipleFilesAndDirectories() throws Exception {
    File fileA = newFile("file-a");
    File fileB = newFile("file-b");
    File dir1 = newDir("dir-1");
    File dir2 = newDir("dir-2");

    Path file = newDir("some-dir");

    assertThat(MoreFiles.fileTraverser().breadthFirst(rootDir)).containsExactly(rootDir, file);
  }

  public void testFileTraverser_multipleFilesAndDirectories() throws Exception {
    Path fileA = newFile("file-a");
    Path fileB = newFile("file-b");
    Path dir1 = newDir("dir-1");
    Path dir2 = newDir("dir-2");

    }

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

    private String alignToBaseDirectory(String path, Path basedir) {

	f, err := newFile(path)
	if err != nil {
		return fmt.Errorf("unable to create new file at %v: %w", path, err)
	}

	w.f = f

	return nil
}

// NewDir creates a new concurrency safe Writer which performs log rotation.
func NewDir(opts Options) (io.WriteCloser, error) {
	if err := os.MkdirAll(opts.Directory, os.ModePerm); err != nil {

	if ctx.IsSet("log-prefix") {
		fileNameFunc = func() string {
			return fmt.Sprintf("%s-%s.log", ctx.String("log-prefix"), fmt.Sprintf("%X", time.Now().UTC().UnixNano()))
		}
	}

	output, err := logger.NewDir(logger.Options{
		Directory:       lgDirAbs,
		MaximumFileSize: int64(lgSize),
		Compress:        ctx.Bool("log-compress"),
		FileNameFunc:    fileNameFunc,
	})
	if err != nil {
		return nil, err
	}

	}

	newID := id[:strings.LastIndex(id, "/")] + "/" + buildid.HashToString(hash)
	if len(newID) != len(id) {
		log.Fatalf("%s: build ID length mismatch %q vs %q", file, id, newID)
	}

	if len(matches) == 0 {
		return
	}

	f, err = os.OpenFile(file, os.O_RDWR, 0)
	if err != nil {
		log.Fatal(err)
	}
	if err := buildid.Rewrite(f, matches, newID); err != nil {
		log.Fatal(err)
	}

        Model model = Model.newBuilder(true).properties(props).build();
        String xml = toXml(model);

        for (int i = 0; i < 10; i++) {
            String newStr = toXml(fromXml(xml));
            assertEquals(newStr, xml);
        }
    }

    @Test
    void testNamespaceInXmlNode() throws XMLStreamException {
        String xml = "<project xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n"

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package p4

type Pair[T1 interface{ M() }, T2 ~int] struct {
	f1 T1
	f2 T2
}

func NewPair[T1 interface{ M() }, T2 ~int](v1 T1, v2 T2) Pair[T1, T2] {
	return Pair[T1, T2]{f1: v1, f2: v2}
}

func (p Pair[X1, _]) First() X1 {
	return p.f1
}

func (p Pair[_, X2]) Second() X2 {
	return p.f2
}

     * artifact, closer to the entry point, is selected
     */
    @Configuration(name = "closer-first", value = "true")
    private boolean closerFirst = true;

    /**
     * newer artifact is selected
     */
    @Configuration(name = "newer-first", value = "true")
    private boolean newerFirst = true;

    public MetadataGraphEdge apply(MetadataGraphEdge e1, MetadataGraphEdge e2) {
        int depth1 = e1.getDepth();

                final String newId = ComponentUtil.getCrawlingInfoHelper().generateId(entity);
                final String oldId = (String) entity.get(fessConfig.getIndexFieldId());
                if (!newId.equals(oldId)) {
                    entity.put(fessConfig.getIndexFieldId(), newId);
                    entity.remove(fessConfig.getIndexFieldVersion());