getRenderObjectProp<T, R extends RenderObject> method
Retrieves a specific property from the matched widget's render object.
Use this method to get a property value directly from the render object of the widget for further processing or assertions.
Implementation
T getRenderObjectProp<T, R extends RenderObject>(
NamedRenderObjectProp<R, T> prop,
) {
final renderObject = element.renderObject! as R;
return prop.get(renderObject);
}