private void InitializeDataStore()
 {
     if (_data == null || !_data.Any())
     {
         _data = _dataProvider?.ReadKeyedTestData <Customer>() ?? new ConcurrentDictionary <int, Customer>();
     }
 }
 private void InitializeDataStore()
 {
     if (_data == null || !_data.Any())
     {
         _data         = _dataProvider?.ReadKeyedTestData <Account>() ?? new ConcurrentDictionary <int, Account>();
         _currentSeqId = _data.Any() ? _data.Keys.Max() : 0;
     }
 }