@type t() :: %DodoPayments.Refund{
  amount: number() | nil,
  brand_id: String.t() | nil,
  business_id: String.t() | nil,
  created_at: String.t() | nil,
  currency: DodoPayments.Enums.decoded_currency() | nil,
  customer: DodoPayments.ResponseTypes.customer_limited_details() | nil,
  extra: map(),
  is_partial: boolean() | nil,
  metadata: DodoPayments.ResponseTypes.metadata() | nil,
  payment_id: String.t() | nil,
  reason: String.t() | nil,
  refund_id: String.t() | nil,
  status: DodoPayments.Enums.decoded_refund_status() | nil
}