debugSubtreeNeedsAddToScene property
Whether this or any descendant layer in the subtree needs addToScene.
This is for debug and test purpose only. It only becomes valid after calling updateSubtreeNeedsAddToScene.
Implementation
@visibleForTesting
bool? get debugSubtreeNeedsAddToScene {
bool? result;
assert(() {
result = _needsAddToScene;
return true;
}());
return result;
}