             </dt>
        <dd class="inherited">
          Returns the first index of <code>element</code> in this list. <a href="../dart-collection/ListMixin/indexOf.html">[...]</a>
                  <div class="features">inherited</div>
</dd>
        <dt id="indexWhere" class="callable inherited">
          <span class="name"><a href="../dart-collection/ListMixin/indexWhere.html">indexWhere</a></span><span class="signature">(<wbr><span class="parameter" id="indexWhere-param-test"><span class="type-annota