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

one use

	github.com/gotd/td/tg (current package)
		tl_sticker_set_covered_slices_gen.go#L273: func (s StickerSetMultiCoveredArray) Retain(keep func(x StickerSetMultiCovered) bool) StickerSetMultiCoveredArray {