code: public void setHidden(final boolean hidden) {
          if (hidden)
              attrMixin.setAttribute(HIDDEN, Boolean.toString(true));
          else
              attrMixin.removeAttribute(HIDDEN);
      }
docs: Hides the option if set to <code>true</code>.<br>
  <br>
  Defaults to <code>false</code>.
  
  @param hidden