load method
Implementation
Future<List<MultipartContent>> load() async {
final _BoundaryFinderPipe pipe =
_BoundaryFinderPipe(boundary, _onBoundaryReached);
await for (var data in request) {
BytesReader reader = BytesReader.fromUint8List(data);
while (reader.position < reader.data.length) {
await pipe.put(reader.readByte());
}
}
return content;
}