AppFlowy/frontend/app_flowy/lib/plugins/board/application/group.dart

import 'package:flowy_sdk/protobuf/flowy-grid/field_entities.pb.dart';

class BoardGroupService {
  final String gridId;
  FieldPB? groupField;

  BoardGroupService(this.gridId);

  void setGroupField(FieldPB field) {
    groupField = field;
  }
}

abstract class CanBeGroupField {
  String get groupContent;
}

// class SingleSelectGroup extends CanBeGroupField {
//   final SingleSelectTypeOptionContext typeOptionContext;
// }