public void forTree_breadthFirstIterable_twoTrees() {
    assertEqualCharNodes(Traverser.forTree(TWO_TREES).breadthFirst(charactersOf("a")), "ab");
    assertEqualCharNodes(Traverser.forTree(TWO_TREES).breadthFirst(charactersOf("ca")), "cadb");
  }

  @Test
  public void forTree_breadthFirst_singleRoot() {
    Iterable<Character> result = Traverser.forTree(SINGLE_ROOT).breadthFirst('a');

    assertEqualCharNodes(result, "a");
  }

  public void forTree_breadthFirstIterable_twoTrees() {
    assertEqualCharNodes(Traverser.forTree(TWO_TREES).breadthFirst(charactersOf("a")), "ab");
    assertEqualCharNodes(Traverser.forTree(TWO_TREES).breadthFirst(charactersOf("ca")), "cadb");
  }

  @Test
  public void forTree_breadthFirst_singleRoot() {
    Iterable<Character> result = Traverser.forTree(SINGLE_ROOT).breadthFirst('a');

    assertEqualCharNodes(result, "a");
  }

 * }</pre>
 *
 * @author Louis Wasserman
 * @since 15.0
 * @deprecated Use {@link com.google.common.graph.Traverser} instead. All instance methods have
 *     their equivalent on the result of {@code Traverser.forTree(tree)} where {@code tree}
 *     implements {@code SuccessorsFunction}, which has a similar API as {@link #children} or can be
 *     the same lambda function as passed into {@link #using(Function)}.

   * "/home/alice", ...]}
   *
   * @since 23.5
   */
  public static Traverser<File> fileTraverser() {
    return Traverser.forTree(FILE_TREE);
  }

  private static final SuccessorsFunction<File> FILE_TREE =
      new SuccessorsFunction<File>() {
        @Override
        public Iterable<File> successors(File file) {

   * "/home/alice", ...]}
   *
   * @since 23.5
   */
  public static Traverser<File> fileTraverser() {
    return Traverser.forTree(FILE_TREE);
  }

  private static final SuccessorsFunction<File> FILE_TREE =
      new SuccessorsFunction<File>() {
        @Override
        public Iterable<File> successors(File file) {

   * following paths: {@code ["/", "/etc", "/etc/config.txt", "/etc/fonts", "/home", "/home/alice",
   * ...]}
   *
   * @since 23.5
   */
  public static Traverser<Path> fileTraverser() {
    return Traverser.forTree(MoreFiles::fileTreeChildren);
  }

  private static Iterable<Path> fileTreeChildren(Path dir) {
    if (Files.isDirectory(dir, NOFOLLOW_LINKS)) {
      try {
        return listFiles(dir);

   * following paths: {@code ["/", "/etc", "/etc/config.txt", "/etc/fonts", "/home", "/home/alice",
   * ...]}
   *
   * @since 23.5
   */
  public static Traverser<Path> fileTraverser() {
    return Traverser.forTree(MoreFiles::fileTreeChildren);
  }

  private static Iterable<Path> fileTreeChildren(Path dir) {
    if (Files.isDirectory(dir, NOFOLLOW_LINKS)) {
      try {
        return listFiles(dir);

constraints.EAN.message                     = {item} est un code-barres {type} invalide.
constraints.Email.message                   = {item} n'est pas une adresse e-mail bien formée.
constraints.Length.message                  = Length of {item} must be between {min} and {max}.
constraints.Length.message                  = La longueur de {item} doit être comprise entre {min} et {max}.

1F8B2..1F8FF  ; disallowed                             # NA   <reserved-1F8B2>..<reserved-1F8FF>
1F900..1F90B  ; valid                  ;      ; NV8    # 10.0 CIRCLED CROSS FORMEE WITH FOUR DOTS..DOWNWARD FACING NOTCHED HOOK WITH DOT
1F90C         ; valid                  ;      ; NV8    # 13.0 PINCHED FINGERS
1F90D..1F90F  ; valid                  ;      ; NV8    # 12.0 WHITE HEART..PINCHING HAND