anchor.diff:      this.shouldClip = true,
       this.sizeFromArtboard = false,
       this.artboard,
  +    AssetBundle bundle,
     })  : filename = null,
  -        flareProvider = AssetFlare(bundle: rootBundle, name: name);
  +        flareProvider = AssetFlare(bundle: bundle ?? rootBundle, name: name);
   
     FlareActor.memory(
       Uint8List bytes, {
  
positive.code:     this.artboard,
    }) : flareProvider = null;
  
    FlareActor.rootBundle(
      String name, {
      this.boundsNode,
      this.animation,
  
negative.code: /// specified:
  ///  * [FlareActor], for obtaining a Flare from an asset [filename].
  ///  * [FlareActor.asset], for obtaining a Flare from an [AssetProvider].
  ///  * [FlareActor.bundle], for obtaining a Flare from an [AssetBundle].
  ///  * [FlareActor.memory], for obtaining a Flare from a [Uint8List].
  class FlareActor extends LeafRenderObjectWidget {
    /// Name of the Flare file to be loaded from the AssetBundle.
  