*[<Null safety>](https://dart.dev/null-safety)*
void sendErrorEvent (int flags, int status, InterfaceRequest request)
void sendErrorEvent(int flags, int status, InterfaceRequest<Node> request) { if ((flags & openFlagDescribe) != 0) { var e = ErrorNodeForSendingEvent(status, _removeErrorNode, request); _errorNodes.add(e); } else { request.close(); } }