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

one use

	github.com/gotd/td/tg (current package)
		tl_message_media_slices_gen.go#L1415: func (s MessageMediaGiveawayResultsArray) Retain(keep func(x MessageMediaGiveawayResults) bool) MessageMediaGiveawayResultsArray {