docs: public static String printSearchControls(SearchControls searchControls) {
          StringBuffer result = new StringBuffer();
          result.append("[searchScope: ").append(searchControls.getSearchScope());
          result.append(", timeLimit: ").append(searchControls.getTimeLimit());
          result.append(", countLimit: ").append(searchControls.getCountLimit());
          result.append(", returningObjFlag: ").append(searchControls.getReturningObjFlag());
          result.append(", returningAttributes: ").append(
                                                          WIMTraceHelper.printObjectArray(searchControls.getReturningAttributes())).append("]");
          return result.toString();
  
      }