Header
data class Header(val coordinateReferenceSystem: Option<CoordinateReferenceSystem>, val name: Option<String>, val date: Option<String>, val vendor: Option<String>, val north: Double = Double.NaN, val south: Double = Double.NaN, val east: Double = Double.NaN, val west: Double = Double.NaN)
Header of the RoadspacesModel containing the model's meta information.