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

one use

	github.com/gotd/td/tg (current package)
		tl_messages_reactions_slices_gen.go#L57: func (s MessagesReactionsClassArray) Retain(keep func(x MessagesReactionsClass) bool) MessagesReactionsClassArray {