code>onClick</code>
callback is specified or an animation is in progress.</li>
<li><code>ColorProperty</code>, which must be used if the property value is
a <a href="https://api.flutter.dev/flutter/dart-ui/Color-class.html">Color</a> or one of its subclasses.</li>
<li><code>IconDataProperty</code>, which must be used if the property value
is of type <code>IconData</code>.</li>
</ul>
<p>If none of these subclasses apply, use the <code>DiagnosticsProperty</code>
constructor or in rare cases create your own <c