using Demo.Data.RemoteData.RemoteDataBase.DAO; using Demo.domain.Models; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Demo.Data.Repository { public interface IGroupRepository { List GetAllGroup(); bool RemoveGroupById(int groupID); bool UpdateGroupById(int groupID, String name); GroupDao GetGroupById(int groupID); bool AddGroup(GroupDao group); bool AddStudents(GroupDao group, List students); public Task> getAllGroupAsync(); } }