Get rid of Authentication.Internal (#11341)

src/Security/Authentication/Cookies/src/CookieAuthenticationOptions.cs

@@ -2,7 +2,6 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-using Microsoft.AspNetCore.Authentication.Internal;
 using Microsoft.AspNetCore.DataProtection;
 using Microsoft.AspNetCore.Http;
 

src/Security/Authentication/Core/ref/Microsoft.AspNetCore.Authentication.netcoreapp3.0.cs

@@ -238,6 +238,12 @@ namespace Microsoft.AspNetCore.Authentication
         public System.Exception Failure { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
         public Microsoft.AspNetCore.Authentication.AuthenticationProperties Properties { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
     }
+    public partial class RequestPathBaseCookieBuilder : Microsoft.AspNetCore.Http.CookieBuilder
+    {
+        public RequestPathBaseCookieBuilder() { }
+        protected virtual string AdditionalPath { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } }
+        public override Microsoft.AspNetCore.Http.CookieOptions Build(Microsoft.AspNetCore.Http.HttpContext context, System.DateTimeOffset expiresFrom) { throw null; }
+    }
     public abstract partial class ResultContext<TOptions> : Microsoft.AspNetCore.Authentication.BaseContext<TOptions> where TOptions : Microsoft.AspNetCore.Authentication.AuthenticationSchemeOptions
     {
         protected ResultContext(Microsoft.AspNetCore.Http.HttpContext context, Microsoft.AspNetCore.Authentication.AuthenticationScheme scheme, TOptions options) : base (default(Microsoft.AspNetCore.Http.HttpContext), default(Microsoft.AspNetCore.Authentication.AuthenticationScheme), default(TOptions)) { }
@@ -297,15 +303,6 @@ namespace Microsoft.AspNetCore.Authentication
         protected virtual void WriteIdentity(System.IO.BinaryWriter writer, System.Security.Claims.ClaimsIdentity identity) { }
     }
 }
-namespace Microsoft.AspNetCore.Authentication.Internal
-{
-    public partial class RequestPathBaseCookieBuilder : Microsoft.AspNetCore.Http.CookieBuilder
-    {
-        public RequestPathBaseCookieBuilder() { }
-        protected virtual string AdditionalPath { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } }
-        public override Microsoft.AspNetCore.Http.CookieOptions Build(Microsoft.AspNetCore.Http.HttpContext context, System.DateTimeOffset expiresFrom) { throw null; }
-    }
-}
 namespace Microsoft.AspNetCore.Builder
 {
     public static partial class AuthAppBuilderExtensions

src/Security/Authentication/Core/src/RemoteAuthenticationOptions.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.Net.Http;
-using Microsoft.AspNetCore.Authentication.Internal;
 using Microsoft.AspNetCore.DataProtection;
 using Microsoft.AspNetCore.Http;
 

src/Security/Authentication/Core/src/RequestPathBaseCookieBuilder.cs

@@ -4,7 +4,7 @@
 using System;
 using Microsoft.AspNetCore.Http;
 
-namespace Microsoft.AspNetCore.Authentication.Internal
+namespace Microsoft.AspNetCore.Authentication
 {
     /// <summary>
     /// A cookie builder that sets <see cref="CookieOptions.Path"/> to the request path base.

src/Security/Authentication/OpenIdConnect/src/OpenIdConnectOptions.cs

@@ -4,7 +4,6 @@
 using System;
 using System.Collections.Generic;
 using System.IdentityModel.Tokens.Jwt;
-using Microsoft.AspNetCore.Authentication.Internal;
 using Microsoft.AspNetCore.Authentication.OAuth.Claims;
 using Microsoft.AspNetCore.Http;
 using Microsoft.IdentityModel.Protocols;