"foo.uk.com",
          "foo.bar.co.il",
          "state.CA.us",
          "www.state.pa.us",
          "pvt.k12.ca.us",
          "www.google.com",
          "www4.yahoo.co.uk",
          "home.netscape.com",
          "web.MIT.edu",
          "foo.eDu.au",
          "utenti.blah.IT",
          "dominio.com.co");

  private static final ImmutableSet<String> NON_RS =

  PATH_SEPARATOR("path.separator"),

  /** Line separator ("\n" on UNIX). */
  LINE_SEPARATOR("line.separator"),

  /** User's account name. */
  USER_NAME("user.name"),

  /** User's home directory. */
  USER_HOME("user.home"),

  /** User's current working directory. */
  USER_DIR("user.dir");

  private final String key;

  StandardSystemProperty(String key) {
    this.key = key;
  }

   */
  static final class LocationInfo {
    final File home;
    private final ClassLoader classloader;

    LocationInfo(File home, ClassLoader classloader) {
      this.home = checkNotNull(home);
      this.classloader = checkNotNull(classloader);
    }

    /** Returns the file this location is from. */
    public final File file() {
      return home;
    }

        ClassPath.getClassPathEntry(new File("/home/build/outer.jar"), "file:/usr/test/dep.jar")
            .toURI());
    assertEquals(
        new File("/home/build/a.jar").toURI(),
        ClassPath.getClassPathEntry(new File("/home/build/outer.jar"), "a.jar").toURI());
    assertEquals(
        new File("/home/build/x/y/z").toURI(),
        ClassPath.getClassPathEntry(new File("/home/build/outer.jar"), "x/y/z").toURI());

        ClassPath.getClassPathEntry(new File("/home/build/outer.jar"), "file:/usr/test/dep.jar")
            .toURI());
    assertEquals(
        new File("/home/build/a.jar").toURI(),
        ClassPath.getClassPathEntry(new File("/home/build/outer.jar"), "a.jar").toURI());
    assertEquals(
        new File("/home/build/x/y/z").toURI(),
        ClassPath.getClassPathEntry(new File("/home/build/outer.jar"), "x/y/z").toURI());

somebody, so managed to put it into one of the cupboards as she
fell past it.

  `Well!' thought Alice to herself, `after such a fall as this, I
shall think nothing of tumbling down stairs!  How brave they'll
all think me at home!  Why, I wouldn't say anything about it,
even if I fell off the top of the house!' (Which was very likely
true.)

  Down, down, down.  Would the fall NEVER come to an end!  `I

   * single element: that file.
   *
   * <p>Example: {@code Files.fileTraverser().depthFirstPreOrder(new File("/"))} may return files
   * with the following paths: {@code ["/", "/etc", "/etc/config.txt", "/etc/fonts", "/home",
   * "/home/alice", ...]}
   *
   * @since 23.5
   */
  public static Traverser<File> fileTraverser() {
    return Traverser.forTree(FILE_TREE);
  }

  private static final SuccessorsFunction<File> FILE_TREE =

    this(capacity, fair);
    if (capacity < c.size()) throw new IllegalArgumentException();

    for (E e : c) add(e);
  }

  @SuppressWarnings("unchecked") // please don't try this home, kids
  private static <E> E[] newEArray(int capacity) {
    return (E[]) new Object[capacity];
  }

  /**
   * Inserts the specified element at the tail of this queue if it is possible to do so immediately

   * stripes, the intended concurrency level, and the typical number of keys used in a {@code
   * bulkGet(keys)} operation. See <a href="http://www.mathpages.com/home/kmath199.htm">Balls in
   * Bins model</a> for mathematical formulas that can be used to estimate the probability of
   * collisions.
   *
   * @param keys arbitrary non-null keys

  PATH_SEPARATOR("path.separator"),

  /** Line separator ("\n" on UNIX). */
  LINE_SEPARATOR("line.separator"),

  /** User's account name. */
  USER_NAME("user.name"),

  /** User's home directory. */
  USER_HOME("user.home"),

  /** User's current working directory. */
  USER_DIR("user.dir");

  private final String key;

  StandardSystemProperty(String key) {
    this.key = key;
  }