Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System/compmod/system/componentmodel/design/IExtenderProviderService.cs

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+//------------------------------------------------------------------------------
+// <copyright file="IExtenderProviderService.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+/*
+ */
+namespace System.ComponentModel.Design {  
+    using System.Diagnostics;
+    using System;
+    using System.ComponentModel;
+    using Microsoft.Win32;
+
+    /// <devdoc>
+    ///    <para>Provides an interface to add and remove extender providers.</para>
+    /// </devdoc>
+    public interface IExtenderProviderService {
+
+        /// <devdoc>
+        ///    <para>
+        ///       Adds an extender provider.
+        ///    </para>
+        /// </devdoc>
+        void AddExtenderProvider(IExtenderProvider provider);
+
+        /// <devdoc>
+        ///    <para>
+        ///       Removes
+        ///       an extender provider.
+        ///    </para>
+        /// </devdoc>
+        void RemoveExtenderProvider(IExtenderProvider provider);
+    }
+}
+