todo marker

sync3/handler/handler.go

@@ -622,7 +622,13 @@ func (h *SyncLiveHandler) Accumulate(p *pubsub.V2Accumulate) {
 func (h *SyncLiveHandler) OnTransactionID(p *pubsub.V2TransactionID) {
 	_, task := internal.StartTask(context.Background(), "TransactionID")
 	defer task.End()
-	// TODO implement me
+
+	// There is some event E for which we now have a transaction ID, or else now know
+	// that we will never get a transaction ID. In either case, tell the sender's
+	// connections to unblock that event in the transaction ID waiter.
+
+	// TODO implement me. Something like
+	// h.ConnMap.ClearUpdateQueues(p.UserID, p.RoomID, p.NID)
 }
 
 // Called from the v2 poller, implements V2DataReceiver