addNetworkCall method
Implementation
void addNetworkCall(NectorNetworkCall call) {
final int callsCount = callsSubject.value.length;
final calls = List<NectorNetworkCall>.from(callsSubject.value);
if (callsCount >= _maxCallsCount) calls.removeLast();
calls.insert(0, call);
callsSubject.add(calls);
}