class WorksInfoProps {
  int _id;
  int get getId => _id;
  set setId(int id) => _id = id;
  WorksInfoProps(this._id);
}

class KeywordProps {
  String _keyword;
  String get getkeyword => _keyword;
  set setKeyword(String keyword) => _keyword = keyword;
  KeywordProps(this._keyword);
}