return raceDescriptor;
}
protected RefreshableDataGridColumnDescriptor<PonyStock, PonyStock, PHTML> newIDDescriptor() {
final RefreshableDataGridColumnDescriptor<PonyStock, PonyStock, PHTML> idDescriptor = new RefreshableDataGridColumnDescriptor<PonyStock, PonyStock, PHTML>();
idDescriptor.setHeaderCellRenderer(new StringHeaderCellRenderer("ID"));
idDescriptor.setValueProvider(new IdentityValueProvider<PonyStock>());
idDescriptor.setCellRenderer(new RefreshableCellRenderer<PonyStock, PHTML>() {
@Override
public PHTML render(final int row, final PonyStock value) {