/// <summary>
        /// Initialises a new instance of the request with the given description.
        /// </summary>
        ///
        /// <param name="desc">The description.</param>
        /// <param name="connectAccessToken">A valid session ConnectAccessToken obtained through one of the login endpoints.</param>
        /// <param name="serverUrl">The server url for this call.</param>
        public GetScoresAroundPlayerRequest(GetScoresAroundPlayerRequestDesc desc, string connectAccessToken, string serverUrl)
        {
            ReleaseAssert.IsNotNull(desc, "A description object cannot be null.");

            ReleaseAssert.IsNotNull(desc.Key, "Key cannot be null.");

            ReleaseAssert.IsNotNull(connectAccessToken, "Connect Access Token cannot be null.");

            Key                = desc.Key;
            PartitionKey       = desc.PartitionKey;
            Period             = desc.Period;
            ConnectAccessToken = connectAccessToken;

            Url = serverUrl + "/1.0/leaderboard/scores/player/range";
            HttpRequestMethod = HttpRequestMethod.Post;
        }
        /// <summary>
        /// Retrieve paged scores for a given leaderboard around the currently logged in
        /// player. The response is the same as the GetScores method, but with additional
        /// fields populated at the top level of the response to indicate the player's
        /// position in the global leaderboard and also their index in the returned Scores
        /// array.
        /// </summary>
        ///
        /// <param name="desc">The request description.</param>
        /// <param name="successCallback">The delegate which is called if the request was successful.</param>
        /// <param name="errorCallback">The delegate which is called if the request was unsuccessful. Provides
        /// a container with information on what went wrong.</param>
        public void GetScoresAroundPlayer(GetScoresAroundPlayerRequestDesc desc, Action <GetScoresAroundPlayerRequest, GetScoresAroundPlayerResponse> successCallback, Action <GetScoresAroundPlayerRequest, GetScoresAroundPlayerError> errorCallback)
        {
            m_logging.LogVerboseMessage("Sending Get Scores Around Player request.");

            var serverUrl          = m_dataStore.GetString("ConnectUrl");
            var connectAccessToken = m_dataStore.GetString("UserAccessToken");
            var request            = new GetScoresAroundPlayerRequest(desc, connectAccessToken, serverUrl);

            m_serverRequestSystem.SendImmediateRequest(request, (IImmediateServerRequest sentRequest, ServerResponse serverResponse) =>
            {
                ReleaseAssert.IsTrue(request == sentRequest, "Received request is not the same as the one sent!");

                if (serverResponse.Result == HttpResult.Success && serverResponse.HttpResponseCode == SuccessHttpResponseCode)
                {
                    NotifyGetScoresAroundPlayerSuccess(serverResponse, request, successCallback);
                }
                else
                {
                    NotifyGetScoresAroundPlayerError(serverResponse, request, errorCallback);
                }
            });
        }