t() :: %AdyenCheckoutEx.Model.PaymentMethod{
  brand: String.t() | nil,
  brands: [String.t()] | nil,
  configuration: %{optional(String.t()) => String.t()} | nil,
  details: [AdyenCheckoutEx.Model.InputDetail.t()] | nil,
  fundingSource: String.t() | nil,
  group: AdyenCheckoutEx.Model.PaymentMethodGroup.t() | nil,
  inputDetails: [AdyenCheckoutEx.Model.InputDetail.t()] | nil,
  name: String.t() | nil,
  type: String.t() | nil
}