buildWithChild method
A build method that receives an extra child parameter.
This method may be called with a child different from the parameter
passed to the constructor of SingleChildStatelessModifier.
It may also be called again with a different child, without this widget
being recreated.
Implementation
@override
Widget buildWithChild(BuildContext context, Widget? child) {
  return Card(
    key: modifierKey,
    borderOnForeground: borderOnForeground,
    clipBehavior: clipBehavior,
    color: color,
    elevation: elevation,
    margin: margin,
    semanticContainer: semanticContainer,
    shadowColor: shadowColor,
    shape: shape,
    surfaceTintColor: surfaceTintColor,
    child: child,
  );
}