github.com/gotd/td/tg.InputStorePaymentPremiumGiveaway.GetUntilDate (method, view implemented interface methods)

one use

	github.com/gotd/td/tg (current package)
		tl_input_store_payment_purpose_gen.go#L1268: func (i *InputStorePaymentPremiumGiveaway) GetUntilDate() (value int) {