private async Task UpdateAsync()
        {
            IEnumerable <Common> GetModelsToUpdate()
            {
                foreach (var targetModel in _targetModels)
                {
                    var sourceModel = _sourceModels
                                      .FirstOrDefault(model => model.InternalNumber == targetModel.InternalNumber);

                    var isUpdated = false;

                    if (sourceModel is not null)
                    {
                        if (targetModel.Name != sourceModel.Name)
                        {
                            isUpdated           = true;
                            targetModel.Name    = sourceModel.Name;
                            targetModel.Updated = DateTime.Now;
                        }
                    }

                    if (isUpdated)
                    {
                        yield return(targetModel);
                    }
                }
            }

            List <Common> modelsToUpdate = GetModelsToUpdate().ToList();

            if (modelsToUpdate.Any())
            {
                await _targetContext.BulkUpdateAsync(modelsToUpdate);
            }
        }