Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System/sys/system/configuration/internal/ConfigurationManagerHelper.cs

@@ -0,0 +1,26 @@
+//------------------------------------------------------------------------------
+// <copyright file="ConfigurationManagerHelper.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Configuration.Internal {
+
+    using System.Configuration;
+
+
+    [
+        // FXCOP: The correct fix would be to make this class static.
+        // But a class can't be static and sealed at the same time.
+        System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1812:AvoidUninstantiatedInternalClasses")
+    ]
+    internal sealed class ConfigurationManagerHelper : IConfigurationManagerHelper {
+        // Created only through reflection.
+        private ConfigurationManagerHelper() {
+        }
+
+        void IConfigurationManagerHelper.EnsureNetConfigLoaded() {
+            System.Net.Configuration.SettingsSection.EnsureConfigLoaded();
+        }
+    }
+}