@type t() :: %Rapyd.Types.Refund{
  amount: float(),
  created_at: integer(),
  currency: String.t(),
  ewallets: [Rapyd.Types.EWalletSplit.t()],
  failure_code: String.t() | nil,
  failure_message: String.t() | nil,
  id: String.t(),
  merchant_reference_id: String.t() | nil,
  metadata: map() | nil,
  payment: String.t(),
  reason: String.t() | nil,
  status: String.t()
}