notifyTyping method
void
notifyTyping()
Implementation
void notifyTyping() {
final now = _clock.now();
if (!_started ||
(now - _lastStartedAtMs) >= throttleInterval.inMilliseconds) {
_started = true;
_lastStartedAtMs = now;
_sendBestEffort(typingStartedType);
}
_rescheduleInactivityTimer();
}