@type amount() :: %{
  optional(:monetary) => amount_monetary() | nil,
  optional(:type) => String.t() | nil,
  optional(String.t()) => term()
}

@type amount_monetary() :: %{
  optional(:currency) => String.t() | nil,
  optional(:value) => integer() | nil,
  optional(String.t()) => term()
}

@type applicability_config() :: %{
  optional(:scope) => applicability_config_scope() | nil,
  optional(String.t()) => term()
}

@type applicability_config_scope() :: %{
  optional(:price_type) => String.t() | nil,
  optional(:prices) => [applicability_config_scope_prices()] | nil,
  optional(String.t()) => term()
}

@type applicability_config_scope_prices() :: %{
  optional(:id) => String.t() | nil,
  optional(String.t()) => term()
}

@type t() :: %Stripe.Params.Billing.CreditGrantCreateParams{
  amount: amount(),
  applicability_config: applicability_config(),
  category: String.t() | nil,
  customer: String.t() | nil,
  customer_account: String.t() | nil,
  effective_at: integer() | nil,
  expand: [String.t()] | nil,
  expires_at: integer() | nil,
  metadata: %{required(String.t()) => String.t()} | nil,
  name: String.t() | nil,
  priority: integer() | nil
}