provideSvg method
Will be called in compute with the result of prepareMessage.
Implementation
@override
String provideSvg(void message) {
  final Uint8List bytes = file.readAsBytesSync();
  return utf8.decode(bytes, allowMalformed: true);
}Will be called in compute with the result of prepareMessage.
@override
String provideSvg(void message) {
  final Uint8List bytes = file.readAsBytesSync();
  return utf8.decode(bytes, allowMalformed: true);
}