addToScene method
See Layer.addToScene.
Implementation
@override
void addToScene(ui.SceneBuilder builder, [Offset layerOffset = Offset.zero]) {
// TODO(goderbauer): Remove unused layerOffset parameter once
// https://github.com/flutter/flutter/pull/91753 is in stable.
assert(layerOffset == Offset.zero);
_scheduleUpdate();
super.addToScene(builder);
}