Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.IdentityModel/System/IdentityModel/Tokens/Saml2Statement.cs

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+//-----------------------------------------------------------------------
+// <copyright file="Saml2Statement.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace System.IdentityModel.Tokens
+{
+    using System;
+
+    /// <summary>
+    /// Represents the StatementAbstractType specified in [Saml2Core, 2.7.1].
+    /// </summary>
+    /// <remarks>
+    /// This abstract class provides no operations; however, this type is used
+    /// to declare collections of statements, for example Saml2Assertion.Statements.
+    /// </remarks>
+    public abstract class Saml2Statement
+    {
+    }
+}