createSegmenter function
Factory function - returns StubSegmenter.
For mobile platforms (Android/iOS), apps should use conditional imports
to load segmenter_mobile.dart instead of this stub.
Example in your app's code:
import 'package:mediasfu_sdk/.../segmenter_stub.dart'
if (dart.library.io) 'package:mediasfu_sdk/.../segmenter_mobile.dart';
Implementation
BackgroundSegmenterBase createSegmenter() => StubSegmenter();