github.com/gotd/td/tg.InputStorePaymentPremiumSubscriptionArray.Retain (method)

one use

	github.com/gotd/td/tg (current package)
		tl_input_store_payment_purpose_slices_gen.go#L191: func (s InputStorePaymentPremiumSubscriptionArray) Retain(keep func(x InputStorePaymentPremiumSubscription) bool) InputStorePaymentPremiumSubscriptionArray {