code: public void setMenuSize(final MenuSize size) {
          if (size != null)
              attrMixin.setAttribute(SIZE, size.getValue());
          else
              attrMixin.removeAttribute(SIZE);
      }
docs: Specifies the number of visible menu items.<br>
  <br>
  Defaults to {@link MenuSize#AUTO}.
  
  @param size
  @see MenuSize