public void removeTimingsCallback(TimingsCallback callback) {
D.assert(_timingsCallbacks.Contains(item: callback));
_timingsCallbacks.Remove(item: callback);
if (_timingsCallbacks.isEmpty()) {
window.onReportTimings = null;
}
}
public void addTimingsCallback(TimingsCallback callback) {
_timingsCallbacks.Add(item: callback);
if (_timingsCallbacks.Count == 1) {
D.assert(window.onReportTimings == null);
window.onReportTimings = _executeTimingsCallbacks;
}
D.assert(window.onReportTimings == _executeTimingsCallbacks);
}
