Complete the code below to have a scaling rectangle. public void start(Stage primaryStage) { // create a rectangle with width 50, height 80 and color blue ……………………………………………………………………………………………………………………………………………………………………………………………………………… // create the transition ……………………………………………………………………………………………………………………………………………………………………………………………………………… // set the duration of the transition as 5 seconds ……………………………………………………………………………………………………………………………………………………………………………………………………………… // make the rectangle as the node for the transition ……………………………………………………………………………………………………………………………………………………………………………………………………………… // transition to double the size of x ……………………………………………………………………………………………………………………………………………………………………………………………………………… // transition to double the size of y ……………………………………………………………………………………………………………………………………………………………………………………………………………… // set the cycle count as 2 ……………………………………………………………………………………………………………………………………………………………………………………………………………… // set it so the transition will reverse ……………………………………………………………………………………………………………………………………………………………………………………………………………… // play the transition ……………………………………………………………………………………………………………………………………………………………………………………………………………… StackPane root = new StackPane(); root.getChildren().add(rectangle); Scene scene = new Scene(root, 300, 250); primaryStage.setTitle("Animating a Rectangle"); primaryStage.setScene(scene); primaryStage.show(); }