@type t() :: %Gamend.Payments.ProviderProduct{
  __meta__: term(),
  active: term(),
  currency: term(),
  external_id: term(),
  id: term(),
  inserted_at: term(),
  metadata: term(),
  product: term(),
  product_id: term(),
  provider: term(),
  purchases: term(),
  unit_amount: term(),
  updated_at: term()
}