cancel method
Implementation
@override
void cancel() {
final timeoutHandler = _timeoutHandler;
if (timeoutHandler != null) {
timeoutHandler.cancel();
_timeoutHandler = null;
}
super.cancel();
}
@override
void cancel() {
final timeoutHandler = _timeoutHandler;
if (timeoutHandler != null) {
timeoutHandler.cancel();
_timeoutHandler = null;
}
super.cancel();
}