From 6969986bf0a3721845a0dff8eee706a75948968b Mon Sep 17 00:00:00 2001
From: Mohamed Hegazy <mhegazy@microsoft.com>
Date: Mon, 31 Aug 2015 14:54:01 -0700
Subject: [PATCH] Use intersection types in Object.assing defintion

---
 src/lib/es6.d.ts | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/src/lib/es6.d.ts b/src/lib/es6.d.ts
index c07d047b58e..d44b6c0f41a 100644
--- a/src/lib/es6.d.ts
+++ b/src/lib/es6.d.ts
@@ -121,6 +121,33 @@ interface Object {
 }
 
 interface ObjectConstructor {
+    /**
+      * Copy the values of all of the enumerable own properties from one or more source objects to a 
+      * target object. Returns the target object.
+      * @param target The target object to copy to.
+      * @param source source objects to copy properties from.
+      */
+    assign<T, U>(target: T, source: U): T & U;
+
+    /**
+      * Copy the values of all of the enumerable own properties from one or more source objects to a 
+      * target object. Returns the target object.
+      * @param target The target object to copy to.
+      * @param source1 first source objects to copy properties from.
+      * @param source2 second source objects to copy properties from.
+      */
+    assign<T, U, V>(target: T, source1: U, source2: V): T & U & V;
+
+    /**
+      * Copy the values of all of the enumerable own properties from one or more source objects to a 
+      * target object. Returns the target object.
+      * @param target The target object to copy to.
+      * @param source1 first source objects to copy properties from.
+      * @param source2 second source objects to copy properties from.
+      * @param source3 second source objects to copy properties from.
+      */
+    assign<T, U, V, W>(target: T, source1: U, source2: V, source3: W): T & U & V & W;
+
     /**
       * Copy the values of all of the enumerable own properties from one or more source objects to a 
       * target object. Returns the target object.