monorepo/LCU.API.Collections.RepoApi-old/LCU.Shared.Collections.RepoApiLib/Repositories/ILetterRepository.cs

using System.Collections.Generic;
using System.Threading.Tasks;
using LCU.Shared.Collections.RepoApiLib.Models;

namespace LCU.Shared.Collections.RepoApiLib.Repositories
{
    public interface ILetterRepository
    {
        Task<IEnumerable<Letter>> ListAsync();
    }
}