classnetColarUtils::JsonSubsys::Obj netColarUtils::JsonSub@Serializablemakenew make(|This f)map1 Str:Obj map1 := [Str:Obj]["a":"1","b":((Obj)2)]map2 Str:Int map2 := ...nullMap [Str:Obj]? nullMapsub2 JsonSub2 sub2 := JsonSub2.makeInt(27)