case EventUpdateCluster:
        if v.OldCluster != nil {
            return &WatchMessage_Event{Action: WatchActionKindUpdate, Object: &Object{Object: &Object_Cluster{Cluster: v.Cluster}}, OldObject: &Object{Object: &Object_Cluster{Cluster: v.OldCluster}}}
        } else {
            return &WatchMessage_Event{Action: WatchActionKindUpdate, Object: &Object{Object: &Object_Cluster{Cluster: v.Cluster}}}