import '../models/member.dart'; abstract class MemberRepository { Future first(); Future last(); Future show(int id); Future prev(int id); Future next(int id); Future> search(String term); Future paidCaution(int id); Future retener(int id); Future retenerCancel(int id); Future recover(int id); Future> preDelete(int id); Future delete(int id, String unregDate, String unregReason); }