unregister method
void
unregister()
Unregisters a Dart-based callback from been called via 'highcharts_flutter_channel.postMessage'.
Implementation
void unregister() {
registry.remove(callbackKey);
}
Unregisters a Dart-based callback from been called via 'highcharts_flutter_channel.postMessage'.
void unregister() {
registry.remove(callbackKey);
}