@type t() :: %Inttegro.OrderCustomer{
  billing_address: Inttegro.OrderAddress.t() | nil,
  email_address: String.t() | nil,
  guest: boolean(),
  id: String.t(),
  name: String.t(),
  phone_number: String.t() | nil,
  shipping_address: Inttegro.OrderAddress.t() | nil
}