@type t() :: %Inttegro.InlineProductDetailsInput{
  about: String.t() | nil,
  custom_data: %{optional(String.t()) => term()} | nil,
  name: String.t(),
  price: Inttegro.PriceParams.t(),
  quantity: integer(),
  reference: String.t() | nil,
  tax_code: String.t() | nil,
  type: Inttegro.ProductType.t()
}