identifySent method
IdentifySent tracks metrics on sending an identify response.
Implementation
@override
void identifySent(bool isPush, int numProtocols, int numAddrs) {
final direction = isPush ? 'outbound' : 'inbound';
final type = isPush ? 'push' : 'identify';
print('Sent $type ($direction) with $numProtocols protocols and $numAddrs addresses');
}