return getPreviousTabIndex(base);
return index;
  protected int getPreviousTabIndexInRun(int tabCount, int base)  {    int index = getPreviousTabIndex(base);    int run = getRunForTab(tabCount, base);    if (index == lastTabInRun(tabCount, getPreviousTabRun(run)))      index = lastTabInRun(tabCount, run);    return getPreviousTabIndex(base);  }