invoice
inline fun TelegramBot.invoice(title: String, description: String, payload: String, providerToken: String? = null, currency: Currency, prices: List<LabeledPrice>): SendInvoiceAction(source)
inline fun TelegramBot.invoice(title: String, description: String, providerToken: String? = null, currency: Currency, vararg prices: LabeledPrice, noinline payload: () -> String): SendInvoiceAction(source)