close method
NoOp by default : only closeable integrations need to override
Implementation
@override
FutureOr<void> close() {
/// Restore default if the integration error is still set.
if (FlutterError.onError == _integrationOnError) {
FlutterError.onError = _defaultOnError;
_defaultOnError = null;
_integrationOnError = null;
}
super.close();
}