Why Telegram.Bot does not support ReplyKeyboardMarkup with SendInvoiceAsync method

[MaksymShuldiner]

public static async Task<Message> SendInvoiceAsync( this ITelegramBotClient botClient, long chatId, string title, string description, string payload, string providerToken, string currency, IEnumerable<LabeledPrice> prices, int? messageThreadId = default, int? maxTipAmount = default, IEnumerable<int>? suggestedTipAmounts = default, string? startParameter = default, string? providerData = default, string? photoUrl = default, int? photoSize = default, int? photoWidth = default, int? photoHeight = default, bool? needName = default, bool? needPhoneNumber = default, bool? needEmail = default, bool? needShippingAddress = default, bool? sendPhoneNumberToProvider = default, bool? sendEmailToProvider = default, bool? isFlexible = default, bool? disableNotification = default, bool? protectContent = default, int? replyToMessageId = default, bool? allowSendingWithoutReply = default, InlineKeyboardMarkup? replyMarkup = default, CancellationToken cancellationToken = default

I'm wondering why Telegram.Bot does not support ReplyKeyboardMarkup with SendInvoiceAsync method. The argument type is InlineKeyboardMarkup