daemon/graphdriver/register/register_windows.go - third_party/github.com/moby/moby - Git at Google

 package register

 import (
 	// register the windows graph driver
 	_ "github.com/docker/docker/daemon/graphdriver/windows"
 )
	package register

	import (
	// register the windows graph driver
	_ "github.com/docker/docker/daemon/graphdriver/windows"
	)