Add nullable annotations to M.A.Components.Authorization (#32831)

pranavkm · web-flow · commit aa39622a9967 · 2021-05-19T12:06:51.000-07:00
* Add nullable annotations to M.A.Components.Authorization
diff --git a/src/Components/Authorization/src/AttributeAuthorizeDataCache.cs b/src/Components/Authorization/src/AttributeAuthorizeDataCache.cs
@@ -10,13 +10,11 @@ namespace Microsoft.AspNetCore.Components.Authorization
 {
     internal static class AttributeAuthorizeDataCache
     {
-        private static ConcurrentDictionary<Type, IAuthorizeData[]> _cache
-            = new ConcurrentDictionary<Type, IAuthorizeData[]>();
+        private static readonly ConcurrentDictionary<Type, IAuthorizeData[]?> _cache = new();
 
-        public static IAuthorizeData[] GetAuthorizeDataForType(Type type)
+        public static IAuthorizeData[]? GetAuthorizeDataForType(Type type)
         {
-            IAuthorizeData[] result;
-            if (!_cache.TryGetValue(type, out result))
+            if (!_cache.TryGetValue(type, out var result))
             {
                 result = ComputeAuthorizeDataForType(type);
                 _cache[type] = result; // Safe race - doesn't matter if it overwrites
@@ -25,11 +23,11 @@ public static IAuthorizeData[] GetAuthorizeDataForType(Type type)
             return result;
         }
 
-        private static IAuthorizeData[] ComputeAuthorizeDataForType(Type type)
+        private static IAuthorizeData[]? ComputeAuthorizeDataForType(Type type)
         {
             // Allow Anonymous skips all authorization
             var allAttributes = type.GetCustomAttributes(inherit: true);
-            List<IAuthorizeData> authorizeDatas = null;
+            List<IAuthorizeData>? authorizeDatas = null;
             for (var i = 0; i < allAttributes.Length; i++)
             {
                 if (allAttributes[i] is IAllowAnonymous)
diff --git a/src/Components/Authorization/src/AuthenticationStateProvider.cs b/src/Components/Authorization/src/AuthenticationStateProvider.cs
@@ -21,7 +21,7 @@ public abstract class AuthenticationStateProvider
         /// An event that provides notification when the <see cref="AuthenticationState"/>
         /// has changed. For example, this event may be raised if a user logs in or out.
         /// </summary>
-        public event AuthenticationStateChangedHandler AuthenticationStateChanged;
+        public event AuthenticationStateChangedHandler? AuthenticationStateChanged;
 
         /// <summary>
         /// Raises the <see cref="AuthenticationStateChanged"/> event.
diff --git a/src/Components/Authorization/src/AuthorizeDataAdapter.cs b/src/Components/Authorization/src/AuthorizeDataAdapter.cs
@@ -16,21 +16,21 @@ public AuthorizeDataAdapter(AuthorizeView component)
             _component = component ?? throw new ArgumentNullException(nameof(component));
         }
 
-        public string Policy
+        public string? Policy
         {
             get => _component.Policy;
             set => throw new NotSupportedException();
         }
 
-        public string Roles
+        public string? Roles
         {
             get => _component.Roles;
             set => throw new NotSupportedException();
         }
 
         // AuthorizeView doesn't expose any such parameter, as it wouldn't be used anyway,
         // since we already have the ClaimsPrincipal by the time AuthorizeView gets involved.
-        public string AuthenticationSchemes
+        public string? AuthenticationSchemes
         {
             get => null;
             set => throw new NotSupportedException();
diff --git a/src/Components/Authorization/src/AuthorizeRouteView.cs b/src/Components/Authorization/src/AuthorizeRouteView.cs
@@ -49,22 +49,22 @@ public AuthorizeRouteView()
         /// The content that will be displayed if the user is not authorized.
         /// </summary>
         [Parameter]
-        public RenderFragment<AuthenticationState> NotAuthorized { get; set; }
+        public RenderFragment<AuthenticationState>? NotAuthorized { get; set; }
 
         /// <summary>
         /// The content that will be displayed while asynchronous authorization is in progress.
         /// </summary>
         [Parameter]
-        public RenderFragment Authorizing { get; set; }
+        public RenderFragment? Authorizing { get; set; }
 
         /// <summary>
         /// The resource to which access is being controlled.
         /// </summary>
         [Parameter]
-        public object Resource { get; set; }
+        public object? Resource { get; set; }
 
         [CascadingParameter]
-        private Task<AuthenticationState> ExistingCascadedAuthenticationState { get; set; }
+        private Task<AuthenticationState>? ExistingCascadedAuthenticationState { get; set; }
 
         /// <inheritdoc />
         protected override void Render(RenderTreeBuilder builder)
@@ -115,12 +115,12 @@ private void RenderAuthorizingInDefaultLayout(RenderTreeBuilder builder)
             RenderContentInDefaultLayout(builder, content);
         }
 
-        private class AuthorizeRouteViewCore : AuthorizeViewCore
+        private sealed class AuthorizeRouteViewCore : AuthorizeViewCore
         {
             [Parameter]
-            public RouteData RouteData { get; set; }
+            public RouteData RouteData { get; set; } = default!;
 
-            protected override IAuthorizeData[] GetAuthorizeData()
+            protected override IAuthorizeData[]? GetAuthorizeData()
                 => AttributeAuthorizeDataCache.GetAuthorizeDataForType(RouteData.PageType);
         }
     }
diff --git a/src/Components/Authorization/src/AuthorizeView.cs b/src/Components/Authorization/src/AuthorizeView.cs
@@ -23,12 +23,12 @@ public AuthorizeView()
         /// <summary>
         /// The policy name that determines whether the content can be displayed.
         /// </summary>
-        [Parameter] public string Policy { get; set; }
+        [Parameter] public string? Policy { get; set; }
 
         /// <summary>
         /// A comma delimited list of roles that are allowed to display the content.
         /// </summary>
-        [Parameter] public string Roles { get; set; }
+        [Parameter] public string? Roles { get; set; }
 
         /// <summary>
         /// Gets the data used for authorization.
diff --git a/src/Components/Authorization/src/AuthorizeViewCore.cs b/src/Components/Authorization/src/AuthorizeViewCore.cs
@@ -14,40 +14,40 @@ namespace Microsoft.AspNetCore.Components.Authorization
     /// </summary>
     public abstract class AuthorizeViewCore : ComponentBase
     {
-        private AuthenticationState currentAuthenticationState;
+        private AuthenticationState? currentAuthenticationState;
         private bool? isAuthorized;
 
         /// <summary>
         /// The content that will be displayed if the user is authorized.
         /// </summary>
-        [Parameter] public RenderFragment<AuthenticationState> ChildContent { get; set; }
+        [Parameter] public RenderFragment<AuthenticationState>? ChildContent { get; set; }
 
         /// <summary>
         /// The content that will be displayed if the user is not authorized.
         /// </summary>
-        [Parameter] public RenderFragment<AuthenticationState> NotAuthorized { get; set; }
+        [Parameter] public RenderFragment<AuthenticationState>? NotAuthorized { get; set; }
 
         /// <summary>
         /// The content that will be displayed if the user is authorized.
         /// If you specify a value for this parameter, do not also specify a value for <see cref="ChildContent"/>.
         /// </summary>
-        [Parameter] public RenderFragment<AuthenticationState> Authorized { get; set; }
+        [Parameter] public RenderFragment<AuthenticationState>? Authorized { get; set; }
 
         /// <summary>
         /// The content that will be displayed while asynchronous authorization is in progress.
         /// </summary>
-        [Parameter] public RenderFragment Authorizing { get; set; }
+        [Parameter] public RenderFragment? Authorizing { get; set; }
 
         /// <summary>
         /// The resource to which access is being controlled.
         /// </summary>
-        [Parameter] public object Resource { get; set; }
+        [Parameter] public object? Resource { get; set; }
 
-        [CascadingParameter] private Task<AuthenticationState> AuthenticationState { get; set; }
+        [CascadingParameter] private Task<AuthenticationState>? AuthenticationState { get; set; }
 
-        [Inject] private IAuthorizationPolicyProvider AuthorizationPolicyProvider { get; set; }
+        [Inject] private IAuthorizationPolicyProvider AuthorizationPolicyProvider { get; set; } = default!;
 
-        [Inject] private IAuthorizationService AuthorizationService { get; set; }
+        [Inject] private IAuthorizationService AuthorizationService { get; set; } = default!;
 
         /// <inheritdoc />
         protected override void BuildRenderTree(RenderTreeBuilder builder)
@@ -61,11 +61,11 @@ protected override void BuildRenderTree(RenderTreeBuilder builder)
             else if (isAuthorized == true)
             {
                 var authorized = Authorized ?? ChildContent;
-                builder.AddContent(0, authorized?.Invoke(currentAuthenticationState));
+                builder.AddContent(0, authorized?.Invoke(currentAuthenticationState!));
             }
             else
             {
-                builder.AddContent(0, NotAuthorized?.Invoke(currentAuthenticationState));
+                builder.AddContent(0, NotAuthorized?.Invoke(currentAuthenticationState!));
             }
         }
 
@@ -96,7 +96,7 @@ protected override async Task OnParametersSetAsync()
         /// <summary>
         /// Gets the data required to apply authorization rules.
         /// </summary>
-        protected abstract IAuthorizeData[] GetAuthorizeData();
+        protected abstract IAuthorizeData[]? GetAuthorizeData();
 
         private async Task<bool> IsAuthorizedAsync(ClaimsPrincipal user)
         {
@@ -111,7 +111,7 @@ private async Task<bool> IsAuthorizedAsync(ClaimsPrincipal user)
 
             var policy = await AuthorizationPolicy.CombineAsync(
                 AuthorizationPolicyProvider, authorizeData);
-            var result = await AuthorizationService.AuthorizeAsync(user, Resource, policy);
+            var result = await AuthorizationService.AuthorizeAsync(user, Resource, policy!);
             return result.Succeeded;
         }
 
diff --git a/src/Components/Authorization/src/CascadingAuthenticationState.razor b/src/Components/Authorization/src/CascadingAuthenticationState.razor
@@ -4,13 +4,13 @@
 <CascadingValue TValue="Task<AuthenticationState>" Value="@_currentAuthenticationStateTask" ChildContent="@ChildContent" />
 
 @code {
-    private Task<AuthenticationState> _currentAuthenticationStateTask;
+    private Task<AuthenticationState>? _currentAuthenticationStateTask;
 
     /// <summary>
     /// The content to which the authentication state should be provided.
     /// </summary>
     [Parameter]
-    public RenderFragment ChildContent { get; set; }
+    public RenderFragment? ChildContent { get; set; }
 
     protected override void OnInitialized()
     {
diff --git a/src/Components/Authorization/src/Microsoft.AspNetCore.Components.Authorization.csproj b/src/Components/Authorization/src/Microsoft.AspNetCore.Components.Authorization.csproj
@@ -6,7 +6,7 @@
     <Description>Authentication and authorization support for Blazor applications.</Description>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Trimmable>true</Trimmable>
-    <Nullable>disable</Nullable>
+    <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/Components/Authorization/src/PublicAPI.Unshipped.txt b/src/Components/Authorization/src/PublicAPI.Unshipped.txt
@@ -1 +1,65 @@
 #nullable enable
+*REMOVED*Microsoft.AspNetCore.Components.Authorization.AuthenticationStateProvider.AuthenticationStateChanged -> Microsoft.AspNetCore.Components.Authorization.AuthenticationStateChangedHandler
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthenticationState.AuthenticationState(System.Security.Claims.ClaimsPrincipal user) -> void
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthenticationState.User.get -> System.Security.Claims.ClaimsPrincipal
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthenticationStateProvider.NotifyAuthenticationStateChanged(System.Threading.Tasks.Task<Microsoft.AspNetCore.Components.Authorization.AuthenticationState> task) -> void
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeRouteView.Authorizing.get -> Microsoft.AspNetCore.Components.RenderFragment
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeRouteView.Authorizing.set -> void
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeRouteView.NotAuthorized.get -> Microsoft.AspNetCore.Components.RenderFragment<Microsoft.AspNetCore.Components.Authorization.AuthenticationState>
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeRouteView.NotAuthorized.set -> void
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeRouteView.Resource.get -> object
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeRouteView.Resource.set -> void
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeView.Policy.get -> string
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeView.Policy.set -> void
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeView.Roles.get -> string
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeView.Roles.set -> void
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.Authorized.get -> Microsoft.AspNetCore.Components.RenderFragment<Microsoft.AspNetCore.Components.Authorization.AuthenticationState>
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.Authorized.set -> void
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.Authorizing.get -> Microsoft.AspNetCore.Components.RenderFragment
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.Authorizing.set -> void
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.ChildContent.get -> Microsoft.AspNetCore.Components.RenderFragment<Microsoft.AspNetCore.Components.Authorization.AuthenticationState>
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.ChildContent.set -> void
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.NotAuthorized.get -> Microsoft.AspNetCore.Components.RenderFragment<Microsoft.AspNetCore.Components.Authorization.AuthenticationState>
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.NotAuthorized.set -> void
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.Resource.get -> object
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.Resource.set -> void
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.IHostEnvironmentAuthenticationStateProvider.SetAuthenticationState(System.Threading.Tasks.Task<Microsoft.AspNetCore.Components.Authorization.AuthenticationState> authenticationStateTask) -> void
+*REMOVED*~abstract Microsoft.AspNetCore.Components.Authorization.AuthenticationStateProvider.GetAuthenticationStateAsync() -> System.Threading.Tasks.Task<Microsoft.AspNetCore.Components.Authorization.AuthenticationState>
+*REMOVED*~abstract Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.GetAuthorizeData() -> Microsoft.AspNetCore.Authorization.IAuthorizeData[]
+*REMOVED*~override Microsoft.AspNetCore.Components.Authorization.AuthorizeView.GetAuthorizeData() -> Microsoft.AspNetCore.Authorization.IAuthorizeData[]
+*REMOVED*~override Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.BuildRenderTree(Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder builder) -> void
+*REMOVED*~override Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.OnParametersSetAsync() -> System.Threading.Tasks.Task
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.CascadingAuthenticationState.ChildContent.get -> Microsoft.AspNetCore.Components.RenderFragment
+*REMOVED*~Microsoft.AspNetCore.Components.Authorization.CascadingAuthenticationState.ChildContent.set -> void
+Microsoft.AspNetCore.Components.Authorization.AuthenticationStateProvider.AuthenticationStateChanged -> Microsoft.AspNetCore.Components.Authorization.AuthenticationStateChangedHandler?
+Microsoft.AspNetCore.Components.Authorization.AuthenticationState.AuthenticationState(System.Security.Claims.ClaimsPrincipal! user) -> void
+Microsoft.AspNetCore.Components.Authorization.AuthenticationState.User.get -> System.Security.Claims.ClaimsPrincipal!
+Microsoft.AspNetCore.Components.Authorization.AuthenticationStateProvider.NotifyAuthenticationStateChanged(System.Threading.Tasks.Task<Microsoft.AspNetCore.Components.Authorization.AuthenticationState!>! task) -> void
+Microsoft.AspNetCore.Components.Authorization.AuthorizeRouteView.Authorizing.get -> Microsoft.AspNetCore.Components.RenderFragment?
+Microsoft.AspNetCore.Components.Authorization.AuthorizeRouteView.Authorizing.set -> void
+Microsoft.AspNetCore.Components.Authorization.AuthorizeRouteView.NotAuthorized.get -> Microsoft.AspNetCore.Components.RenderFragment<Microsoft.AspNetCore.Components.Authorization.AuthenticationState!>?
+Microsoft.AspNetCore.Components.Authorization.AuthorizeRouteView.NotAuthorized.set -> void
+Microsoft.AspNetCore.Components.Authorization.AuthorizeRouteView.Resource.get -> object?
+Microsoft.AspNetCore.Components.Authorization.AuthorizeRouteView.Resource.set -> void
+Microsoft.AspNetCore.Components.Authorization.AuthorizeView.Policy.get -> string?
+Microsoft.AspNetCore.Components.Authorization.AuthorizeView.Policy.set -> void
+Microsoft.AspNetCore.Components.Authorization.AuthorizeView.Roles.get -> string?
+Microsoft.AspNetCore.Components.Authorization.AuthorizeView.Roles.set -> void
+Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.Authorized.get -> Microsoft.AspNetCore.Components.RenderFragment<Microsoft.AspNetCore.Components.Authorization.AuthenticationState!>?
+Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.Authorized.set -> void
+Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.Authorizing.get -> Microsoft.AspNetCore.Components.RenderFragment?
+Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.Authorizing.set -> void
+Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.ChildContent.get -> Microsoft.AspNetCore.Components.RenderFragment<Microsoft.AspNetCore.Components.Authorization.AuthenticationState!>?
+Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.ChildContent.set -> void
+Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.NotAuthorized.get -> Microsoft.AspNetCore.Components.RenderFragment<Microsoft.AspNetCore.Components.Authorization.AuthenticationState!>?
+Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.NotAuthorized.set -> void
+Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.Resource.get -> object?
+Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.Resource.set -> void
+Microsoft.AspNetCore.Components.Authorization.IHostEnvironmentAuthenticationStateProvider.SetAuthenticationState(System.Threading.Tasks.Task<Microsoft.AspNetCore.Components.Authorization.AuthenticationState!>! authenticationStateTask) -> void
+abstract Microsoft.AspNetCore.Components.Authorization.AuthenticationStateProvider.GetAuthenticationStateAsync() -> System.Threading.Tasks.Task<Microsoft.AspNetCore.Components.Authorization.AuthenticationState!>!
+abstract Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.GetAuthorizeData() -> Microsoft.AspNetCore.Authorization.IAuthorizeData![]?
+override Microsoft.AspNetCore.Components.Authorization.AuthorizeView.GetAuthorizeData() -> Microsoft.AspNetCore.Authorization.IAuthorizeData![]!
+override Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.BuildRenderTree(Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder! builder) -> void
+override Microsoft.AspNetCore.Components.Authorization.AuthorizeViewCore.OnParametersSetAsync() -> System.Threading.Tasks.Task!
+Microsoft.AspNetCore.Components.Authorization.CascadingAuthenticationState.ChildContent.get -> Microsoft.AspNetCore.Components.RenderFragment?
+Microsoft.AspNetCore.Components.Authorization.CascadingAuthenticationState.ChildContent.set -> void
diff --git a/src/Components/Components/src/CascadingValue.cs b/src/Components/Components/src/CascadingValue.cs
diff --git a/src/Components/Components/src/PublicAPI.Unshipped.txt b/src/Components/Components/src/PublicAPI.Unshipped.txt

Original file line number	Diff line number	Diff line change
`@@ -10,13 +10,11 @@ namespace Microsoft.AspNetCore.Components.Authorization`
`10`	`10`	`{`
`11`	`11`	`internal static class AttributeAuthorizeDataCache`
`12`	`12`	`{`
`13`		`- private static ConcurrentDictionary<Type, IAuthorizeData[]> _cache`
`14`		`- = new ConcurrentDictionary<Type, IAuthorizeData[]>();`
	`13`	`+ private static readonly ConcurrentDictionary<Type, IAuthorizeData[]?> _cache = new();`
`15`	`14`
`16`		`- public static IAuthorizeData[] GetAuthorizeDataForType(Type type)`
	`15`	`+ public static IAuthorizeData[]? GetAuthorizeDataForType(Type type)`
`17`	`16`	`{`
`18`		`- IAuthorizeData[] result;`
`19`		`- if (!_cache.TryGetValue(type, out result))`
	`17`	`+ if (!_cache.TryGetValue(type, out var result))`
`20`	`18`	`{`
`21`	`19`	`result = ComputeAuthorizeDataForType(type);`
`22`	`20`	`_cache[type] = result; // Safe race - doesn't matter if it overwrites`
`@@ -25,11 +23,11 @@ public static IAuthorizeData[] GetAuthorizeDataForType(Type type)`
`25`	`23`	`return result;`
`26`	`24`	`}`
`27`	`25`
`28`		`- private static IAuthorizeData[] ComputeAuthorizeDataForType(Type type)`
	`26`	`+ private static IAuthorizeData[]? ComputeAuthorizeDataForType(Type type)`
`29`	`27`	`{`
`30`	`28`	`// Allow Anonymous skips all authorization`
`31`	`29`	`var allAttributes = type.GetCustomAttributes(inherit: true);`
`32`		`- List<IAuthorizeData> authorizeDatas = null;`
	`30`	`+ List<IAuthorizeData>? authorizeDatas = null;`
`33`	`31`	`for (var i = 0; i < allAttributes.Length; i++)`
`34`	`32`	`{`
`35`	`33`	`if (allAttributes[i] is IAllowAnonymous)`
Original file line number	Diff line number	Diff line change
`@@ -16,21 +16,21 @@ public AuthorizeDataAdapter(AuthorizeView component)`
`16`	`16`	`_component = component ?? throw new ArgumentNullException(nameof(component));`
`17`	`17`	`}`
`18`	`18`
`19`		`- public string Policy`
	`19`	`+ public string? Policy`
`20`	`20`	`{`
`21`	`21`	`get => _component.Policy;`
`22`	`22`	`set => throw new NotSupportedException();`
`23`	`23`	`}`
`24`	`24`
`25`		`- public string Roles`
	`25`	`+ public string? Roles`
`26`	`26`	`{`
`27`	`27`	`get => _component.Roles;`
`28`	`28`	`set => throw new NotSupportedException();`
`29`	`29`	`}`
`30`	`30`
`31`	`31`	`// AuthorizeView doesn't expose any such parameter, as it wouldn't be used anyway,`
`32`	`32`	`// since we already have the ClaimsPrincipal by the time AuthorizeView gets involved.`
`33`		`- public string AuthenticationSchemes`
	`33`	`+ public string? AuthenticationSchemes`
`34`	`34`	`{`
`35`	`35`	`get => null;`
`36`	`36`	`set => throw new NotSupportedException();`