code: protected JComponent createButtonBar() {
  		this.dialogCommandGroup = getCommandManager().createCommandGroup(null, getCommandGroupMembers());
  		JComponent buttonBar = this.dialogCommandGroup.createButtonBar();
  		GuiStandardUtils.attachDialogBorder(buttonBar);
  		return buttonBar;
  	}
docs: Return a standardized row of command buttons, right-justified and all of
  the same size, with OK as the default button, and no mnemonics used, as
  per the Java Look and Feel guidelines.