/a>
</h1></div>

    <section class="multi-line-signature">
      

<span class="returntype"><a href="https://api.flutter.dev/flutter/dart-core/List-class.html">List</a><span class="signature">&lt;<wbr><span class="type-parameter">T</span>&gt;</span>?</span>
<span class="name ">listOf</span>&lt;<wbr><span class="type-parameter">T</span>&gt;(<wbr><ol class="parameter-list"><li><span class="parameter" id="listOf-param-builder">[<span class="type-annotation">T?</span> <span class="parameter-name">builder</span