@type t() :: %Nuon.Model.AppAwsAccount{ created_at: String.t() | nil, created_by: Nuon.Model.AppUserToken.t() | nil, created_by_id: String.t() | nil, iam_role_arn: String.t() | nil, id: String.t() | nil, region: String.t() | nil, updated_at: String.t() | nil }