startTrace method
Starts a trace with a specific name and operation.
Implementation
@override
Future<AnalyticsTrace> startTrace(String name, String operation) async {
final traceFutures = providers
.map((p) => p.startTrace(name, operation))
.toList(growable: false);
final traces = await Future.wait(traceFutures);
return _CompositeAnalyticsTrace(traces, providers: providers);
}