public class MyEntity {
   @Id
   private Long id;
   
   @OneToMany
   @IndexedEmbedded(includeEmbeddedObjectIds = true, includeDepth = 0)
   private List<MyOtherEntity> targets
}
public class MyOtherEntity {
   @Id
   private Long id;
}

public class MyEntity {
   @Id
   private Long id;
   
   @OneToMany
   // Assuming this bridge only depends on the ID
   @PropertyBinding(bridge = @PropertyBridgeRef(type = MyOtherEntityIdBridge.class))
   private List<MyOtherEntity> targets;
}
public class MyOtherEntity {
   @Id
   private Long id;
}