InflatedChildHandleFactory typedef
        InflatedChildHandleFactory =
     T Function<T extends InflatedChildHandle>({Element? context, required Object id, required InflatingRenderObjectMixin<RenderObject, InflatingParentData<RenderObject> , InflatedChildHandle>  parent, RenderObject? render, Widget? widget}) 
    
    
Signature for constructors of InflatedChildHandle subclasses, used for InflatingRenderObjectMixin.childFactory.
Implementation
typedef InflatedChildHandleFactory = T Function<T extends InflatedChildHandle>({
  required Object id,
  required InflatingRenderObjectMixin parent,
  RenderObject? render,
  Element? context,
  Widget? widget,
});