如何将Image对象强制转换为flutter中的File对象？

import 'dart:typed_data';
import 'package:image_picker/image_picker.dart';
import 'package:image/image.dart' as img;

Future<Uint8List> getImageBytes() async {
  final image = await ImagePicker().getImage(source: ImageSource.gallery);
  final bytes = await image.readAsBytes();
  return bytes;
}

Uint8List imageBytes = await getImageBytes();

import 'dart:io';
import 'package:path_provider/path_provider.dart';

Future<File> saveImageToFile(Uint8List imageBytes) async {
  final tempDir = await getTemporaryDirectory();
  final tempPath = tempDir.path;
  final tempFile = File('$tempPath/image.jpg');
  await tempFile.writeAsBytes(imageBytes);
  return tempFile;
}

File imageFile = await saveImageToFile(imageBytes);