  </div>
                  Returns an <code class="prettyprint lang-dart">Iterable</code> that iterates over the objects in the range
<code class="prettyprint lang-dart">start</code> inclusive to <code class="prettyprint lang-dart">end</code> exclusive.
              </dd>
              <dt id="indexOf" class="callable">
                  <span class="name ">indexOf</span><span class="signature">(<wbr><span class="parameter" id="indexOf-param-element"><span class="type-annotation">Object</span> <span class=