code: private Set<Tuple> getTupledSet() {
          List<String> membersWithScores = client.getMultiBulkReply();
          Set<Tuple> set = new LinkedHashSet<Tuple>();
          Iterator<String> iterator = membersWithScores.iterator();
          while (iterator.hasNext()) {
              set.add(new Tuple(iterator.next(), Double.valueOf(iterator.next())));
          }
          return set;
      }
docs: Gets the tupled set.
  
  @return the tupled set