@type t() :: %Nadia.Model.OwnedGiftRegular{
  can_be_upgraded: boolean(),
  convert_star_count: integer(),
  entities: [MessageEntity.t()],
  gift: Nadia.Model.Gift.t(),
  is_private: boolean(),
  is_saved: boolean(),
  is_upgrade_separate: boolean(),
  owned_gift_id: binary(),
  prepaid_upgrade_star_count: integer(),
  send_date: integer(),
  sender_user: Nadia.Model.User.t(),
  text: binary(),
  type: binary(),
  unique_gift_number: integer(),
  was_refunded: boolean()
}