before/ after map can't work well with IQueryable projections about mapperly HOT 1 CLOSED

 [Mapper]
 public static partial class ProductMapper
 {
        // one option
        [MapProperty([nameof(Product.IdentifierConfig), nameof(Product.IdentifierConfig.MachineId)], [nameof(ProductListItemResp.MachineId)])]
        // another option
        [MapPropertyFromSource(nameof(ProductListItemResp.MachineName), Use = nameof(MapMachineName))]
        // etc
        public static partial ProductListItemResp ToListItemResp(Product product);

        [UserMapping(Default = false)] // this prevents general Project => string mapping
        private static string MapMachineName(Product product) => product.IdentifierConfig?.Machine?.Name;
        
        public static partial IQueryable<ProductListItemResp> ToListItemQueryableResp(this IQueryable<Product> product);
}