@type t() :: %ExBifrost.Model.VirtualKeyProviderConfig{
  allow_all_keys: boolean(),
  allowed_models: [String.t()],
  blacklisted_models: [String.t()],
  budgets: [ExBifrost.Model.Budget.t()] | nil,
  id: integer(),
  keys: [ExBifrost.Model.TableKey.t()] | nil,
  provider: String.t(),
  rate_limit: ExBifrost.Model.RateLimit.t() | nil,
  rate_limit_id: String.t() | nil,
  virtual_key_id: String.t(),
  weight: number() | nil
}