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

one use

	github.com/gotd/td/tg (current package)
		tl_messages_sticker_set_slices_gen.go#L57: func (s MessagesStickerSetClassArray) Retain(keep func(x MessagesStickerSetClass) bool) MessagesStickerSetClassArray {