e hash code for this object. <a href="https://api.flutter.dev/flutter/widgets/Widget/hashCode.html">[...]</a>
                  <div class="features">@<a href="https://pub.dev/documentation/meta/1.3.0/meta/nonVirtual-constant.html">nonVirtual</a>, read-only, inherited</div>
</dd>
        <dt id="key" class="property inherited">
          <span class="name"><a href="https://api.flutter.dev/flutter/widgets/Widget/key.html">key</a></span>
          <span class="signature">&#8594; <a href="https://api.flutter.d