/// <summary>
        /// Retrieves the unique PlayFab identifiers for the given set of Kongregate identifiers. The Kongregate identifiers are the IDs for the user accounts, available as "user_id" from the Kongregate API methods(ex: http://developers.kongregate.com/docs/client/getUserId).
        /// </summary>
        public static void GetPlayFabIDsFromKongregateIDs(GetPlayFabIDsFromKongregateIDsRequest request, ProcessApiCallback<GetPlayFabIDsFromKongregateIDsResult> resultCallback, ErrorCallback errorCallback, object customData = null)
        {
            if (_authKey == null) throw new Exception("Must be logged in to call this method");

            string serializedJson = SimpleJson.SerializeObject(request, Util.ApiSerializerStrategy);
            Action<CallRequestContainer> callback = delegate(CallRequestContainer requestContainer)
            {
                ResultContainer<GetPlayFabIDsFromKongregateIDsResult>.HandleResults(requestContainer, resultCallback, errorCallback, null);
            };
            PlayFabHTTP.Post("/Client/GetPlayFabIDsFromKongregateIDs", serializedJson, "X-Authorization", _authKey, callback, request, customData);
        }