"indexOf-param-element"><span class="type-annotation">E</span> <span class="parameter-name">element</span>, [</span> <span class="parameter" id="indexOf-param-start"><span class="type-annotation"><a href="dart-core/int-class.html">int</a></span> <span class="parameter-name">start</span> = <span class="default-value">0</span></span> ])
      
    </section>
    <section class="desc markdown">
      <p>Returns the first index of <code>element</code> in this list.</p>
<p>Searches the list from index <code>star