public static void paintCellSelection( JList<?> list, Graphics g, int row, int x, int y, int width, int height ) {
		if( !(list.getUI() instanceof FlatListUI) )
			return;

		FlatListUI ui = (FlatListUI) list.getUI();
		ui.paintCellSelection( g, row, x, y, width, height );
	}
Paints a cell selection at the given coordinates.
The selection color must be set on the graphics context.
<p>
This method is intended for use in custom cell renderers
to support {@link #selectionArc} and {@link #selectionInsets}.

@since 3
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatListUI.java