# Microsoft.AspNetCore.Components.Web.Virtualization

``` diff
 namespace Microsoft.AspNetCore.Components.Web.Virtualization {
     [NullableAttribute((byte)0)]
     [NullableContextAttribute((byte)1)]
     public sealed class Virtualize<TItem> : ComponentBase, IAsyncDisposable, IVirtualizeJsCallbacks {
+        [ParameterAttribute]
+        public string SpacerElement { [CompilerGeneratedAttribute] get; [CompilerGeneratedAttribute] set; }
-        [AsyncStateMachineAttribute(typeof(Virtualize<>.<DisposeAsync>d__60))]
-        public ValueTask DisposeAsync();
+        [AsyncStateMachineAttribute(typeof(Virtualize<>.<DisposeAsync>d__64))]
+        public ValueTask DisposeAsync();
-        [AsyncStateMachineAttribute(typeof(Virtualize<>.<OnAfterRenderAsync>d__50))]
-        protected override Task OnAfterRenderAsync(bool firstRender);
+        [AsyncStateMachineAttribute(typeof(Virtualize<>.<OnAfterRenderAsync>d__54))]
+        protected override Task OnAfterRenderAsync(bool firstRender);
-        [AsyncStateMachineAttribute(typeof(Virtualize<>.<RefreshDataAsync>d__48))]
-        public Task RefreshDataAsync();
+        [AsyncStateMachineAttribute(typeof(Virtualize<>.<RefreshDataAsync>d__52))]
+        public Task RefreshDataAsync();
     }
 }
```

