>-- DN.Mapping.VertexMapping.ElevationAttribute --> L0.String <R L0.HasProperty
>-- DN.Mapping.VertexMapping.SupplyTemperatureAttribute --> L0.String <R L0.HasProperty
>-- DN.Mapping.VertexMapping.ReturnTemperatureAttribute --> L0.String <R L0.HasProperty
>-- DN.Mapping.VertexMapping.ElevationAttribute --> L0.String <R L0.HasProperty
>-- DN.Mapping.VertexMapping.SupplyTemperatureAttribute --> L0.String <R L0.HasProperty
>-- DN.Mapping.VertexMapping.ReturnTemperatureAttribute --> L0.String <R L0.HasProperty