@type t() :: %Travel.Flights.Types.OfferSliceCondition{
  advance_seat_selection: (map() | nil) | nil,
  change_before_departure: (map() | nil) | nil,
  priority_boarding: (map() | nil) | nil,
  priority_check_in: (map() | nil) | nil,
  refund_before_departure: (map() | nil) | nil
}