@type t() :: %Stripe.Params.TokenCreateParams{
  account: Stripe.Params.TokenCreateParams.Account.t() | nil,
  bank_account: Stripe.Params.TokenCreateParams.BankAccount.t() | nil,
  card: map() | nil,
  customer: String.t() | nil,
  cvc_update: Stripe.Params.TokenCreateParams.CvcUpdate.t() | nil,
  expand: [String.t()] | nil,
  person: Stripe.Params.TokenCreateParams.Person.t() | nil,
  pii: Stripe.Params.TokenCreateParams.Pii.t() | nil
}