code: public void setLiveSearch(final boolean liveSearch) {
          if (liveSearch)
              attrMixin.setAttribute(LIVE_SEARCH, Boolean.toString(true));
          else
              attrMixin.removeAttribute(LIVE_SEARCH);
      }
docs: When set to <code>true</code>, adds a search box to the
  top of the select picker drop-down.<br>
  <br>
  Defaults to <code>false</code>.
  
  @param liveSearch