}

  @Override
  public int size() {
    return valueList.size();
  }

  @Override
  @CheckForNull
  public V get(@CheckForNull Object key) {
    int index = keySet.indexOf(key);
    return (index == -1) ? null : valueList.get(index);
  }

  @Override
  boolean isPartialView() {
    return keySet.isPartialView() || valueList.isPartialView();
  }

      action.accept(keyList.get(i), valueList.get(i));
    }
  }

  @Override
  @CheckForNull
  public V get(@CheckForNull Object key) {
    int index = keySet.indexOf(key);
    return (index == -1) ? null : valueList.get(index);
  }

  @Override
  boolean isPartialView() {
    return keySet.isPartialView() || valueList.isPartialView();
  }