private TOutput Success(IEnumerable <SongDirectorUseCaseModel> songDirectorModels) => _boundary.Success(GetSongDirectorsResponse.Success(songDirectorModels));
private TOutput FailedToGetSongDirectors(string errorMessage) { return(_boundary.FailedToGetSongDirectors( GetSongDirectorsResponse.FailedToGetSongDirectors(errorMessage))); }