L0 = <http://www.simantics.org/Layer0-1.1>
DN = <http://www.simantics.org/DistrictNetwork-1.0>
DIA = <http://www.simantics.org/Diagram-2.2>

DNR = <http://www.simantics.org/DistrictNetworkRoutes-1.0> : L0.Ontology
    @L0.new
    L0.HasResourceClass "org.simantics.district.route.ontology.RouteResource"

DNR.RouteFolder <T L0.Entity
DNR.Route <T L0.List