@type t() :: %Duffel.Schema.Order{
  airline_initiated_changes: [map()],
  available_actions: [String.t()],
  base_amount: String.t() | nil,
  base_currency: String.t() | nil,
  booking_reference: String.t() | nil,
  booking_references: [map()],
  cancellation: map() | nil,
  cancelled_at: String.t() | nil,
  changes: [map()],
  conditions: map() | nil,
  content: String.t() | nil,
  created_at: String.t() | nil,
  documents: [map()],
  id: String.t() | nil,
  intended_payment_methods: [String.t()],
  live_mode: boolean() | nil,
  metadata: map() | nil,
  offer_id: String.t() | nil,
  owner: map() | nil,
  passengers: [Duffel.Schema.Passenger.t()],
  payment_status: map() | nil,
  services: [map()],
  slices: [Duffel.Schema.Slice.t()],
  synced_at: String.t() | nil,
  tax_amount: String.t() | nil,
  tax_currency: String.t() | nil,
  total_amount: String.t() | nil,
  total_currency: String.t() | nil,
  type: String.t() | nil,
  users: [String.t()],
  void_window_ends_at: String.t() | nil
}