def inverse_present
import bendvy-ecs-core@0.1.0.4/relation_commands.bend as RelationCommandsimport Base
import entity_key.bend as Key
import world.bend as W
107def inverse_present(~S: Data,~C: Type,~R: Type,~E: Data,result: W.World<S,Store<S,C>,R,Notice<S,E>> & List<&2,Key.Key>) -> W.World<S,Store<S,C>,R,Notice<S,E>> & Maybe<&2,List<&2,Key.Key>>:
108 (world,sources) = result
109 (world,Some{sources})