ColumnHeaderLayer columnHeaderLayer = new ColumnHeaderLayer(
new DataLayer(new DummyColumnHeaderDataProvider(
bodyDataProvider), 20, 100), viewportLayer,
selectionLayer);
columnHeaderLayer
.addConfiguration(new DefaultColumnHeaderLayerConfiguration() {
@Override
protected void addColumnHeaderStyleConfig() {
addConfiguration(new DefaultColumnHeaderStyleConfiguration() {
{
cellPainter = new BeveledBorderDecorator(