public List <T> Read <T, EfType>(Expression <Func <EfType, bool> > predicate) where T : WidgetViewModelBase
{
var config = new MapperConfiguration(cfg =>
{
cfg.CreateMap <WidgetBase, T>();
cfg.CreateMap <EfType, CpuWidgetViewModel>();
});
var query = _widgetRep.GetQueryable().OfType <EfType>().Where(predicate).ProjectTo <T>(config).ToList();
return(query);
}