dataAccess property
      
      DataAccess
      get
      dataAccess
      
    
    
    
Implementation
DataAccess get dataAccess {
  if (_dataAccess == null) {
    throw ServiceUnavailable("data_access");
  }
  return _dataAccess!;
}DataAccess get dataAccess {
  if (_dataAccess == null) {
    throw ServiceUnavailable("data_access");
  }
  return _dataAccess!;
}