Implicit import Dispatch?

johnno1962 · johnno1962 · commit f00880fd4f18 · 2017-09-08T00:12:54.000+01:00
diff --git a/Foundation/NSObject.swift b/Foundation/NSObject.swift
@@ -8,6 +8,7 @@
 //
 
 import CoreFoundation
+@_exported import Dispatch
 
 /// The `NSObjectProtocol` groups methods that are fundamental to all Foundation objects.
 ///
