textScaleFactor method
Implementation
double? textScaleFactor(BuildContext context, {bool useSentinel = false}) {
// if (_textScaleFactor == systemTextScaleFactorOption) {
// return useSentinel
// ? systemTextScaleFactorOption
// : MediaQuery.of(context).textScaleFactor;
// } else {
return _textScaleFactor;
// }
}