setTimeToLive method
Sets the android.ttl field with a string value.
- timeToLiveA string to be used for the- android.ttlfield value, or null to clear it.
Returns this MpnBuilder object, for fluent use.
Implementation
FirebaseMpnBuilder setTimeToLive(String? timeToLive) {
  _timeToLive = timeToLive;
  return this;
}