AppFlowy/frontend/app_flowy/lib/util/file_picker/file_picker_service.dart

import 'package:file_picker/file_picker.dart';

class FilePickerResult {
  const FilePickerResult(this.files);

  /// Picked files.
  final List<PlatformFile> files;
}

/// Abstract file picker as a service to implement dependency injection.
abstract class FilePickerService {
  Future<String?> getDirectoryPath({
    String? title,
  }) async =>
      throw UnimplementedError('getDirectoryPath() has not been implemented.');
}