Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

external/aspnetwebstack/src/System.Web.Mvc/IUnvalidatedRequestValues.cs

@@ -0,0 +1,15 @@
+// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
+
+using System.Collections.Specialized;
+
+namespace System.Web.Mvc
+{
+    // Used for mocking the UnvalidatedRequestValues type in System.Web.WebPages
+
+    internal interface IUnvalidatedRequestValues
+    {
+        NameValueCollection Form { get; }
+        NameValueCollection QueryString { get; }
+        string this[string key] { get; }
+    }
+}