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

one use

	github.com/gotd/td/tg (current package)
		tl_update_slices_gen.go#L1968: func (s UpdateChatParticipantsArray) Retain(keep func(x UpdateChatParticipants) bool) UpdateChatParticipantsArray {