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

one use

	github.com/gotd/td/tg (current package)
		tl_message_action_slices_gen.go#L3028: func (s MessageActionSetChatWallPaperArray) Retain(keep func(x MessageActionSetChatWallPaper) bool) MessageActionSetChatWallPaperArray {