extract library Null safety

Functions

extractStatsFromFlutterTimeline(String label, DateTime timestamp, String fileContents, {required bool shouldSort}) Future<BenchmarkResult>
May throw FormatException if fileContents aren't valid JSON.
measureTimes(List<_TimelineEvent> events, int threadId, Pattern eventName) Iterable<int>
Measures events taken by events that are named eventName in thread threadId.