@type t() :: %Gamend.Payments.Product{
  __meta__: term(),
  active: term(),
  description: term(),
  grant_config: term(),
  id: term(),
  inserted_at: term(),
  kind: term(),
  metadata: term(),
  provider_products: term(),
  purchases: term(),
  sku: term(),
  title: term(),
  updated_at: term()
}