Demo/Domain/UseCase/IGroupUseCase.cs

using Demo.domain.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Demo.Domain.UseCase
{
    public interface IGroupUseCase
    {
        List<Group> GetAllGroups();
        bool RemoveGroupById(int groupId);
        Group UpdateGroupName(Group group);
        Group GetGroupById(int groupID);
        bool CreateGroup(string Name);
    }
}