docs: int searchAll(
      SearchComparator  comp,
      Object            searchKey)
    {
      int idx = -1;
      if (comp.type() == SearchComparator.EQ)
        idx = findEqual(comp, 0, rightMostIndex(), searchKey);
      else
        idx = findGreater(comp, 0, rightMostIndex(), searchKey);
  
      return idx;
    }