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

one use

	github.com/gotd/td/tg (current package)
		tl_messages_found_sticker_sets_slices_gen.go#L57: func (s MessagesFoundStickerSetsClassArray) Retain(keep func(x MessagesFoundStickerSetsClass) bool) MessagesFoundStickerSetsClassArray {