              &#8594;
                      <span class="returntype"><a href="polymer_app_layout/Plugin-class.html">Plugin</a></span>
                  </span>
              </dt>
              <dd>
                  Returns the object at the given <code class="prettyprint lang-dart">index</code> in the list
or throws a <code class="prettyprint lang-dart">RangeError</code> if <code class="prettyprint lang-dart">index</code> is out of bounds.
              </dd>
              <dt id="operator []=" class="cal