     </div>
        <ol id="params" hidden$="{{_computeHideParams(descriptor,return)}}">
          <template is="dom-repeat" items="{{descriptor.params}}">
            <li hidden$="{{!item.type}}">
              <span class="name">{{item.name}}</span>
              <span class="type">{{item.type}}</span>
              <marked-element markdown="{{item.desc}}">
                <div class="markdown-html"></div>
              </marked-element>
            </li>
          </template>
          <li class="return"