case classDirectedGraphVisualization[DG](dg: DG, width: Int = 700, height: Int = 700, border: Int = 20, radius: Int = 10, arrowLength: Int = 10, color: Color = yellow, borderColor: Color = black, fontSize: Int = 12) extends Product with Serializable
newDirectedGraphVisualization(dg: DG, width: Int = 700, height: Int = 700, border: Int = 20, radius: Int = 10, arrowLength: Int = 10, color: Color = yellow, borderColor: Color = black, fontSize: Int = 12)