GiveawayWinners
constructor(chat: Chat, giveawayMessageId: Int, winnersSelectionDate: Int, winnerCount: Int, winners: List<User> = emptyList(), additionalChatCount: Int? = null, premiumSubscriptionMonthCount: Int? = null, unclaimedPrizeCount: Int? = null, onlyNewMembers: Boolean? = null, wasRefunded: Boolean? = null, prizeDescription: String? = null)(source)