authorization_controls() :: %{
  allowed_categories: list() | nil,
  blocked_categories: list() | nil,
  spending_limits: [spending_limits()] | nil,
  currency: String.t() | nil,
  max_amount: non_neg_integer() | nil,
  max_approvals: non_neg_integer() | nil
}

billing() :: %{address: Stripe.Types.address(), name: String.t()}

merchant_data() :: %{
  category: String.t(),
  city: String.t(),
  country: String.t(),
  name: String.t(),
  network_id: String.t(),
  postal_code: String.t(),
  state: String.t()
}

spending_controls() :: %{
  allowed_categories: [String.t()] | nil,
  blocked_categories: [String.t()] | nil,
  spending_limits: [spending_limits()],
  spending_limits_currency: String.t() | nil
}

spending_limits() :: %{
  amount: non_neg_integer(),
  categories: list(),
  interval: String.t()
}