public async Task <IModelDelta> TryGetAllModelEntitiesAsync()
        {
            string verboseMessage = $"{baseLogString} entering TryGetAllModelEntities method.";

            Logger.LogVerbose(verboseMessage);

            while (!ReliableDictionariesInitialized)
            {
                await Task.Delay(1000);
            }

            ModelDelta modelDelta = new ModelDelta();

            try
            {
                //var clearTasks = new List<Task>
                //{
                await TopologyElements.ClearAsync();

                await Measurements.ClearAsync();

                await EnergySources.ClearAsync();

                await ElementConnections.ClearAsync();

                await MeasurementToConnectedTerminalMap.ClearAsync();

                await TerminalToConnectedElementsMap.ClearAsync();

                await BaseVoltages.ClearAsync();

                await Reclosers.ClearAsync();

                //};

                //Task.WaitAll(clearTasks.ToArray());

                await energySources.SetAsync(ReliableDictionaryNames.EnergySources, new List <long>());

                await reclosers.SetAsync(ReliableDictionaryNames.Reclosers, new HashSet <long>());

                Logger.LogDebug($"{baseLogString} TryGetAllModelEntities => Getting all network model elements and converting them.");

                await GetBaseVoltagesAsync();

                foreach (var model in ConcreteModels)
                {
                    if (model != ModelCode.BASEVOLTAGE)
                    {
                        List <ModelCode> properties = modelResourcesDesc.GetAllPropertyIds(model);
                        var elements = await networkModelGda.GetExtentValuesAsync(model, properties);

                        foreach (var element in elements)
                        {
                            try
                            {
                                await TransformToTopologyElementAsync(element);
                            }
                            catch (Exception e)
                            {
                                Logger.LogError($"{baseLogString} TryGetAllModelEntitiesAsync failed." +
                                                $" {Environment.NewLine} {e.Message} " +
                                                $"{Environment.NewLine} {e.StackTrace}");
                            }
                        }
                    }
                }


                //Parallel.For(0, ConcreteModels.Count, async (i) =>
                //{
                //	var model = ConcreteModels.ElementAt(i);
                //	if (model != ModelCode.BASEVOLTAGE)
                //	{
                //		List<ModelCode> properties = modelResourcesDesc.GetAllPropertyIds(model);
                //		var elements = await networkModelGda.GetExtentValuesAsync(model, properties);
                //		foreach (var element in elements)
                //		{
                //			try
                //			{
                //				await TransformToTopologyElementAsync(element);
                //			}
                //			catch (Exception e)
                //			{
                //				Logger.LogError($"{baseLogString} TryGetAllModelEntitiesAsync failed." +
                //					$" {Environment.NewLine} {e.Message} " +
                //					$"{Environment.NewLine} {e.StackTrace}");
                //			}
                //		}
                //	}
                //});

                var enumerableMeasurements = await Measurements.GetEnumerableDictionaryAsync();

                List <IMeasurement> updatedMeasurements = new List <IMeasurement>(enumerableMeasurements.Count);
                foreach (var measurement in enumerableMeasurements.Values)
                {
                    var elementId = await PutMeasurementsInElements(measurement);

                    var measurementProviderClient = MeasurementProviderClient.CreateClient();
                    await measurementProviderClient.AddMeasurementElementPair(measurement.Id, elementId);

                    updatedMeasurements.Add(measurement);
                }

                foreach (var updatedMeas in updatedMeasurements)
                {
                    await Measurements.SetAsync(updatedMeas.Id, updatedMeas);
                }

                var enumerableTopologyElements = await TopologyElements.GetEnumerableDictionaryAsync();

                List <ITopologyElement> updatedElements = new List <ITopologyElement>(enumerableTopologyElements.Count);
                foreach (var element in enumerableTopologyElements.Values)
                {
                    if (element.Measurements.Count == 0)
                    {
                        await CreateNoScadaMeasurementAsync(element);

                        updatedElements.Add(element);
                    }
                }

                foreach (var updatedEl in updatedElements)
                {
                    await TopologyElements.SetAsync(updatedEl.Id, updatedEl);
                }

                modelDelta.TopologyElements   = enumerableTopologyElements;
                modelDelta.ElementConnections = await ElementConnections.GetEnumerableDictionaryAsync();

                var reclosersResult = await Reclosers.TryGetValueAsync(ReliableDictionaryNames.Reclosers);

                if (reclosersResult.HasValue)
                {
                    modelDelta.Reclosers = reclosersResult.Value;
                }
                else
                {
                    Logger.LogWarning($"{baseLogString} Reliable collection '{ReliableDictionaryNames.Reclosers}' was not defined yet. Handling...");
                    await Reclosers.SetAsync(ReliableDictionaryNames.Reclosers, new HashSet <long>());

                    modelDelta.Reclosers = new HashSet <long>();
                }

                var enegySourcesResult = await EnergySources.TryGetValueAsync(ReliableDictionaryNames.EnergySources);

                if (reclosersResult.HasValue)
                {
                    modelDelta.EnergySources = enegySourcesResult.Value;
                }
                else
                {
                    Logger.LogWarning($"{baseLogString} Reliable collection '{ReliableDictionaryNames.EnergySources}' was not defined yet. Handling...");
                    await EnergySources.SetAsync(ReliableDictionaryNames.EnergySources, new List <long>());

                    modelDelta.EnergySources = new List <long>();
                }
            }
            catch (Exception e)
            {
                string message = $"{baseLogString} TryGetAllModelEntities => Failed in get all network model elements." +
                                 $"{Environment.NewLine} Exception message: {e.Message}" +
                                 $"{Environment.NewLine} Stack trace: {e.StackTrace}";
                Logger.LogError(message);
                throw new Exception(message);
            }

            return(modelDelta);
        }