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

one use

	github.com/gotd/td/tg (current package)
		tl_message_action_slices_gen.go#L2290: func (s MessageActionGroupCallScheduledArray) Retain(keep func(x MessageActionGroupCallScheduled) bool) MessageActionGroupCallScheduledArray {