ture">
      <span class="returntype">void</span>
            <span class="name ">insert</span>
(<wbr><span class="parameter" id="insert-param-index"><span class="type-annotation"><a href="dart-core/int-class.html">int</a></span> <span class="parameter-name">index</span>, </span> <span class="parameter" id="insert-param-element"><span class="type-annotation"><a href="dart-core/int-class.html">int</a></span> <span class="parameter-name">element</span></span>)
      <div class="features">inherited</div>
    <