public void AddUserGroup(Action<UserGroupDto, Exception> action, UserGroupDto userGroupDto)
 {
     var url = string.Format(baseAddressUserGroups);
     WebClientHelper.Post(new Uri(url, UriKind.Absolute), action, userGroupDto, MITD.Presentation.WebClientHelper.MessageFormat.Json, ApiConfig.CreateHeaderDic(userProvider.Token));
 }
 public UserGroupDto AddUserGroup(UserGroupDto userGroupDto)
 {
     throw new NotImplementedException();
 }