public boolean hasNext() {
      return keyIterator.hasNext() || valueIterator.hasNext();
    }

    @Override
    @ParametricNullness
    public T next() {
      if (!valueIterator.hasNext()) {
        Entry<K, Collection<V>> mapEntry = keyIterator.next();
        key = mapEntry.getKey();
        collection = mapEntry.getValue();
        valueIterator = collection.iterator();
      }
      /*

    Collection<String> values = map.values();
    values.remove("4");
    assertFalse(underlying.containsKey("d"));

    Iterator<String> valueIterator = values.iterator();
    valueIterator.next();
    valueIterator.remove();
    assertFalse(underlying.containsKey("e"));

    Set<Entry<String, String>> entries = map.entrySet();
    Entry<String, String> firstEntry = entries.iterator().next();

    }

    @Override
    public void remove() {
      iterator.remove();
    }
  }

  /** ValueIterator build on top of EntryIterator. */
  final class ValueIterator implements Iterator<V> {
    private EntryIterator iterator;

    ValueIterator() {
      iterator = new EntryIterator();
    }

    @Override
    public boolean hasNext() {
      return iterator.hasNext();

        LinkedHashMultimap.this.remove(toRemove.getKey(), toRemove.getValue());
        toRemove = null;
      }
    };
  }

  @Override
  Iterator<V> valueIterator() {
    return Maps.valueIterator(entryIterator());
  }

  /**
   * @serialData the expected values per key, the number of distinct keys, the number of entries,
   *     and the entries in order
   */
  @GwtIncompatible

    return (ImmutableCollection<V>) super.values();
  }

  @Override
  ImmutableCollection<V> createValues() {
    return new Values<>(this);
  }

  @Override
  UnmodifiableIterator<V> valueIterator() {
    return new UnmodifiableIterator<V>() {
      final Iterator<? extends ImmutableCollection<V>> valueCollectionItr = map.values().iterator();
      Iterator<V> valueItr = emptyIterator();

      @Override