private void GetSingleChannelMetadata(string spaceId, bool includeCustom, Dictionary <string, object> externalQueryParam, PNCallback <PNGetChannelMetadataResult> callback)
        {
            IUrlRequestBuilder urlBuilder = new UrlRequestBuilder(config, jsonLibrary, unit, pubnubLog, pubnubTelemetryMgr, (PubnubInstance != null) ? PubnubInstance.InstanceId : "");

            Uri request = urlBuilder.BuildGetSingleChannelMetadataRequest("GET", "", spaceId, includeCustom, externalQueryParam);

            RequestState <PNGetChannelMetadataResult> requestState = new RequestState <PNGetChannelMetadataResult>();

            requestState.ResponseType      = PNOperationType.PNGetChannelMetadataOperation;
            requestState.PubnubCallback    = callback;
            requestState.Reconnect         = false;
            requestState.EndPointOperation = this;

            requestState.UsePostMethod = false;
            UrlProcessRequest(request, requestState, false).ContinueWith(r =>
            {
                string json = r.Result.Item1;
                if (!string.IsNullOrEmpty(json))
                {
                    List <object> result = ProcessJsonResponse(requestState, json);
                    ProcessResponseCallbacks(result, requestState);
                }
                else
                {
                    if (r.Result.Item2 != null)
                    {
                        callback.OnResponse(null, r.Result.Item2);
                    }
                }
            }, TaskContinuationOptions.ExecuteSynchronously).Wait();
        }
        private async Task <PNResult <PNGetChannelMetadataResult> > GetSingleChannelMetadata(string spaceId, bool includeCustom, Dictionary <string, object> externalQueryParam)
        {
            PNResult <PNGetChannelMetadataResult> ret = new PNResult <PNGetChannelMetadataResult>();

            if (string.IsNullOrEmpty(this.chMetadataId))
            {
                PNStatus errStatus = new PNStatus {
                    Error = true, ErrorData = new PNErrorData("Missing Channel", new ArgumentException("Missing Channel"))
                };
                ret.Status = errStatus;
                return(ret);
            }

            IUrlRequestBuilder urlBuilder = new UrlRequestBuilder(config, jsonLibrary, unit, pubnubLog, pubnubTelemetryMgr, (PubnubInstance != null) ? PubnubInstance.InstanceId : "");

            Uri request = urlBuilder.BuildGetSingleChannelMetadataRequest("GET", "", spaceId, includeCustom, externalQueryParam);

            RequestState <PNGetChannelMetadataResult> requestState = new RequestState <PNGetChannelMetadataResult>();

            requestState.ResponseType      = PNOperationType.PNGetChannelMetadataOperation;
            requestState.Reconnect         = false;
            requestState.EndPointOperation = this;

            requestState.UsePostMethod = false;
            Tuple <string, PNStatus> JsonAndStatusTuple = await UrlProcessRequest(request, requestState, false).ConfigureAwait(false);

            ret.Status = JsonAndStatusTuple.Item2;
            string json = JsonAndStatusTuple.Item1;

            if (!string.IsNullOrEmpty(json))
            {
                List <object>              resultList      = ProcessJsonResponse(requestState, json);
                ResponseBuilder            responseBuilder = new ResponseBuilder(config, jsonLibrary, pubnubLog);
                PNGetChannelMetadataResult responseResult  = responseBuilder.JsonToObject <PNGetChannelMetadataResult>(resultList, true);
                if (responseResult != null)
                {
                    ret.Result = responseResult;
                }
            }

            return(ret);
        }