debugMarkClean method Null safety
visibleForTesting">@visibleForTesting
Mark that this layer is in sync with engine.
This is for debugging and testing purposes only. In release builds this method has no effect.
Implementation
@visibleForTesting
void debugMarkClean() {
assert(!_debugMutationsLocked);
assert(() {
_needsAddToScene = false;
return true;
}());
}