* <code>null</code>.
* @param border Border to set around the stack.
* @return never null
*/
public JComponent createButtonStack(final ColumnSpec columnSpec, final RowSpec rowSpec, final Border border) {
final ButtonStackGroupContainerPopulator container = new ButtonStackGroupContainerPopulator();
container.setColumnSpec(columnSpec);
container.setRowSpec(rowSpec);
addCommandsToGroupContainer(container);
return GuiStandardUtils.attachBorder(container.getButtonStack(), border);
}