Add Rest<T, K> type to lib.d.ts

Author: ahejlsberg

src/lib/es5.d.ts

@@ -1416,6 +1416,13 @@ type Pick<T, K extends keyof T> = {
     [P in K]: T[P];
 };
 
+/**
+ * From T, omit a set of properties whose keys are in the union K
+ */
+type Rest<T, K extends keyof T> = {
+    [P in Exclude<keyof T, K>]: T[P];
+};
+
 /**
  * Construct a type with a set of properties K of type T
  */