@type t() :: %Inttegro.RefundLineItem{
  id: String.t(),
  order_line_item_id: String.t(),
  original_amount_paid: Inttegro.Amount.t(),
  reason: Inttegro.RefundReason.t() | nil,
  reason_details: String.t() | nil,
  refund_amount: Inttegro.Amount.t()
}