@type t() :: %Travel.Flights.Types.OrderCancellationAirlineCredit{
  credit_amount: String.t() | nil,
  credit_code: String.t() | nil,
  credit_currency: String.t() | nil,
  credit_name: String.t() | nil,
  id: String.t() | nil,
  issued_on: String.t() | nil,
  passenger_id: String.t() | nil
}