Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.IdentityModel/System/IdentityModel/Tokens/SamlStatement.cs

@@ -0,0 +1,24 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//-----------------------------------------------------------------------------
+
+namespace System.IdentityModel.Tokens
+{
+    using System.Collections.ObjectModel;
+    using System.IdentityModel.Claims;
+    using System.IdentityModel.Policy;
+    using System.IdentityModel.Selectors;
+    using System.Xml;
+
+    public abstract class SamlStatement
+    {
+        public abstract IAuthorizationPolicy CreatePolicy(ClaimSet issuer, SamlSecurityTokenAuthenticator samlAuthenticator);
+        public abstract bool IsReadOnly
+        {
+            get;
+        }
+        public abstract void MakeReadOnly();
+        public abstract void ReadXml(XmlDictionaryReader reader, SamlSerializer samlSerializer, SecurityTokenSerializer keyInfoSerializer, SecurityTokenResolver outOfBandTokenResolver);
+        public abstract void WriteXml(XmlDictionaryWriter writer, SamlSerializer samlSerializer, SecurityTokenSerializer keyInfoSerializer);
+    }
+}