notifyDataChanged method
Implementation
void notifyDataChanged(Map<String, dynamic> result) {
final callbacks = <VoidCallback>{};
for (final key in result.keys) {
_listeners.keys
.where((expr) => expr.contains(key))
.map((expr) => _listeners[expr])
.whereType<Set<VoidCallback>>()
.forEach((set) {
callbacks.addAll(set);
});
}
callbacks.forEach((cb) => cb());
}