assertEquals("[bar, foo x 2]", multiset.toString());
  }

  public void testCreateWithComparator() {
    Multiset<String> multiset = TreeMultiset.create(Collections.reverseOrder());
    multiset.add("foo", 2);
    multiset.add("bar");
    assertEquals(3, multiset.size());
    assertEquals(2, multiset.count("foo"));
    assertEquals("[foo x 2, bar]", multiset.toString());
  }

    return tailSet(fromElement);
  }

  public static <E> Builder<E> orderedBy(Comparator<E> comparator) {
    return new Builder<E>(comparator);
  }

  public static <E extends Comparable<?>> Builder<E> reverseOrder() {
    return new Builder<E>(Ordering.natural().reverse());
  }

  public static <E extends Comparable<?>> Builder<E> naturalOrder() {
    return new Builder<E>(Ordering.natural());
  }

  }

  public static <K, V> Builder<K, V> orderedBy(Comparator<K> comparator) {
    return new Builder<K, V>(comparator);
  }

  public static <K extends Comparable<?>, V> Builder<K, V> reverseOrder() {
    return new Builder<K, V>(Ordering.natural().reverse());
  }

  public static final class Builder<K, V> extends ImmutableMap.Builder<K, V> {
    private final Comparator<? super K> comparator;

   * href="https://bugs.openjdk.org/browse/JDK-6468354">JDK-6468354</a>.
   */
  public static <E extends Comparable<?>> Builder<E> reverseOrder() {
    return new Builder<>(Ordering.<E>natural().reverse());
  }

  /**
   * Returns a builder that creates immutable sorted multisets whose elements are ordered by their

    }

    /**
     * Cleans up the temporary directory.
     */
    private void cleanupTempDirectory(Path tempDir) {
        try {
            Files.walk(tempDir)
                    .sorted(Comparator.reverseOrder())
                    .map(Path::toFile)
                    .forEach(File::delete);
        } catch (Exception e) {
            // Best effort cleanup - don't fail the whole operation
        }
    }

   */
  protected Ordering() {}

  // Instance-based factories (and any static equivalents)

  /**
   * Returns the reverse of this ordering; the {@code Ordering} equivalent to {@link
   * Collections#reverseOrder(Comparator)}.
   *
   * <p><b>Java 8+ users:</b> Use {@code thisComparator.reversed()} instead.
   */
  // type parameter <S> lets us avoid the extra <String> in statements like:

   * href="https://bugs.openjdk.org/browse/JDK-6468354">JDK-6468354</a>.
   */
  public static <E extends Comparable<?>> Builder<E> reverseOrder() {
    return new Builder<>(Ordering.<E>natural().reverse());
  }

  /**
   * Returns a builder that creates immutable sorted multisets whose elements are ordered by their

  }

  /**
   * Returns a builder that creates immutable sorted maps whose keys are ordered by the reverse of
   * their natural ordering.
   */
  public static <K extends Comparable<?>, V> Builder<K, V> reverseOrder() {
    return new Builder<>(Ordering.<K>natural().reverse());
  }

  /**
   * A builder for creating immutable sorted map instances, especially {@code public static final}
   * maps ("constant maps"). Example: