columnHeaderLayer, 0, 0);
compositeLayer.setChildLayer(GridRegion.BODY, viewportLayer, 0, 1);
NatTable natTable = new NatTable(parent, compositeLayer, false);
natTable.addConfiguration(new DefaultNatTableStyleConfiguration() {
{
vAlign = VerticalAlignmentEnum.MIDDLE;
hAlign = HorizontalAlignmentEnum.LEFT;
cellPainter = new LineBorderDecorator(painter);
font = GUIHelper.getFont(new FontData("Arial", 20, SWT.NORMAL));