ChatterService.ChatterRestService.GetFollowers C# (CSharp) Method

        public ChatterResponse GetFollowers(string userId)
        {
            return MakeUserRestCall(userId, "followers");
        }

 public void TestRestGetFollowers()
 {
     ChatterService.ChatterRestService service = new ChatterService.ChatterRestService(_url, _logService);
     service.Login(_client_id, _grant_type, _client_secret, _username, _password);
     service.GetFollowers("005A0000001X3Nb");
 }