@type t() :: %Stripe.Params.BillingPortal.ConfigurationCreateParams{
  business_profile:
    Stripe.Params.BillingPortal.ConfigurationCreateParams.BusinessProfile.t()
    | nil,
  default_return_url: map() | nil,
  expand: [String.t()] | nil,
  features: Stripe.Params.BillingPortal.ConfigurationCreateParams.Features.t(),
  login_page:
    Stripe.Params.BillingPortal.ConfigurationCreateParams.LoginPage.t() | nil,
  metadata: %{required(String.t()) => String.t()} | nil,
  name: map() | nil
}