       <section class="desc markdown">
          <p>Annotation used by Flutter's Dart compiler to indicate that an
<a href="../dart-core/Object/toString.html">Object.toString</a> override should not be replaced with a supercall.</p>
<p>Since <code>dart:ui</code> and <code>package:flutter</code> override <code>toString</code> purely for
debugging purposes, the frontend compiler is instructed to replace all
<code>toString</code> bodies with <code>return super.toString()</code> during compilation. This
signifi