docs: public static List<String> getValueList(List<String> valuePairs, String delim) {
          List<String> valueList = Lists.newArrayList();
          for(String valuePair: valuePairs) {
              String[] value = valuePair.split(delim, 2);
              if(value.length != 2)
                  throw new VoldemortException("Invalid argument pair: " + valuePair);
              valueList.add(value[0]);
              valueList.add(value[1]);
          }
          return valueList;
      }