// Reb
    @Override
    public Result<Map<String, String>> getUsers() {
      final String SQL = "SELECT name, username FROM Person";

      try (PreparedStatement p = c.prepareStatement(SQL)) {

        ResultSet r = p.executeQuery();
        Map<String, String> userlist = new HashMap<String, String> ();

        while (r.next()) {
            String name = r.getString("name");
            String username = r.getString("username");
            userlist.put(name, username);
        }
        if (!userlist.isEmpty()) {
          return Result.success(userlist);

        }else {
           return Result.failure("No users exist");
        }

      }catch (SQLException e){
           throw new UnsupportedOperationException("This should get some users." + e);
       }
     }