code: @Override
    public int putAll(KTypeVTypeAssociativeContainer<? extends KType, ? extends VType> container) {
      final int count = size();
      for (KTypeVTypeCursor<? extends KType, ? extends VType> c : container) {
        put(c.key, c.value);
      }
      return size() - count;
    }
docs: {@inheritDoc}