Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/mscorlib/system/icloneable.cs

@@ -0,0 +1,31 @@
+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+/*============================================================
+**
+** Class:  ICloneable
+**
+** This interface is implemented by classes that support cloning.
+**
+===========================================================*/
+namespace System {
+    
+    using System;
+    // Defines an interface indicating that an object may be cloned.  Only objects 
+    // that implement ICloneable may be cloned. The interface defines a single 
+    // method which is called to create a clone of the object.   Object defines a method
+    // MemberwiseClone to support default clone operations.
+    // 
+    [System.Runtime.InteropServices.ComVisible(true)]
+    public interface ICloneable
+    {
+        // Interface does not need to be marked with the serializable attribute
+        // Make a new object which is a copy of the object instanced.  This object may be either
+        // deep copy or a shallow copy depending on the implementation of clone.  The default
+        // Object support for clone does a shallow copy.
+        // 
+        Object Clone();
+    }
+}