return navigableKeySet();
    }

    @Override
    public Collection<V> values() {
      return new StandardValues();
    }

    @Override
    public String toString() {
      return standardToString();
    }

    @Override
    public Set<Entry<K, V>> entrySet() {
      return new StandardEntrySet() {
        @Override
        public Iterator<Entry<K, V>> iterator() {

   * {@link #entrySet}, you may wish to override {@link #toString} to forward to this
   * implementation.
   *
   * @since 7.0
   */
  @Override
  protected String standardToString() {
    return entrySet().toString();
  }

   * #entrySet}. If you override {@link #entrySet}, you may wish to override {@link #toString} to
   * forward to this implementation.
   *
   * @since 7.0
   */
  protected String standardToString() {
    return Maps.toStringImpl(this);
  }

   * {@link #entrySet}, you may wish to override {@link #toString} to forward to this
   * implementation.
   *
   * @since 7.0
   */
  @Override
  protected String standardToString() {
    return entrySet().toString();
  }

    public <T extends @Nullable Object> T[] toArray(T[] array) {
      return standardToArray(array);
    }

    @Override
    public String toString() {
      return standardToString();
    }
  }

  @LazyInit private transient @Nullable Set<Entry<K, V>> entrySet;

  @Override
  public Set<Entry<K, V>> entrySet() {
    Set<Entry<K, V>> result = entrySet;

    public <T extends @Nullable Object> T[] toArray(T[] array) {
      return standardToArray(array);
    }

    @Override
    public String toString() {
      return standardToString();
    }
  }

  /**
   * Returns a view of the portion of {@code set} whose elements are contained by {@code range}.
   *

    }

    @Override
    public Collection<V> values() {
      return new Values<>(this);
    }

    @Override
    public String toString() {
      return standardToString();
    }
  }

  /** Returns a map from the ith element of list to i. */
  static <E> ImmutableMap<E, Integer> indexMap(Collection<E> list) {

    }

    @Override
    public Collection<V> values() {
      return new Values<>(this);
    }

    @Override
    public String toString() {
      return standardToString();
    }
  }

  /** Returns a map from the ith element of list to i. */
  static <E> ImmutableMap<E, Integer> indexMap(Collection<E> list) {