questionPostProcess method
Runs the finalization step of preload type on node; whether the
node changed.
Implementation
bool questionPostProcess(TreeElement node, String type, String? params) {
final handler = _handlers[type];
if (handler == null) {
_log.severe('Do not know how to handle preloader [$type]');
return false;
}
return handler.handlePostProcess(node, params);
}