type Recovery
import bendvy-ecs-core@0.1.0.4/bundle_install.bend as BundleInstallimport Base
12type Recovery<World:Type,H:Type,HQ:Type,Tail:Type,TQ:Type> is Type:
13 HeadPending{head:HQ,tail:Tail}
14 TailPending{undoHead:World -> Restore<World,H,HQ>,tail:TQ}