public static void MapItemsLayout(StructuredItemsViewHandler <TItemsView> handler, StructuredItemsView itemsView)
 {
 }
 public static void MapItemSizingStrategy(StructuredItemsViewHandler <TItemsView> handler, StructuredItemsView itemsView)
 {
 }
 public static void MapFooterTemplate(StructuredItemsViewHandler <TItemsView> handler, StructuredItemsView itemsView)
 {
 }
 public static void MapHeaderTemplate(StructuredItemsViewHandler <TItemsView> handler, StructuredItemsView itemsView)
 {
     handler.PlatformView.UpdateAdaptor(itemsView);
 }
 public static void MapItemSizingStrategy(StructuredItemsViewHandler <TItemsView> handler, StructuredItemsView itemsView)
 {
     handler.PlatformView.UpdateItemsLayout(itemsView);
 }
 public static void MapItemSizingStrategy(StructuredItemsViewHandler <TItemsView> handler, StructuredItemsView itemsView)
 {
     handler.UpdateLayout();
 }
 public static void MapFooterTemplate(StructuredItemsViewHandler <TItemsView> handler, StructuredItemsView itemsView)
 {
     (handler.Controller as StructuredItemsViewController <TItemsView>)?.UpdateFooterView();
 }