monorepo/LCU.API.Internal.RepoApi/LCU.API.Internal.RepoApi.Repos/Repositories/ILetterRepository.cs

using System.Collections.Generic;
using System.Threading.Tasks;
using LCU.API.Internal.RepoApi.Repos.Models;

namespace LCU.API.Internal.RepoApi.Repos.Repositories
{
    public interface ILetterRepository
    {
        Task<IEnumerable<Letter>> ListAsync();
    }
}