-/* Copyright (c) 2016-2018. The SimGrid Team. All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#ifndef SIMGRID_S4U_FORWARD_HPP
-#define SIMGRID_S4U_FORWARD_HPP
-
-#include <boost/intrusive_ptr.hpp>
-#include <xbt/base.h>
-
-namespace simgrid {
-namespace s4u {
-
-class Activity;
-class Actor;
-using ActorPtr = boost::intrusive_ptr<Actor>;
-XBT_PUBLIC void intrusive_ptr_release(Actor* actor);
-XBT_PUBLIC void intrusive_ptr_add_ref(Actor* actor);
-
-class Comm;
-using CommPtr = boost::intrusive_ptr<Comm>;
-XBT_PUBLIC void intrusive_ptr_release(Comm* c);
-XBT_PUBLIC void intrusive_ptr_add_ref(Comm* c);
-
-class Engine;
-class Exec;
-using ExecPtr = boost::intrusive_ptr<Exec>;
-XBT_PUBLIC void intrusive_ptr_release(Exec* e);
-XBT_PUBLIC void intrusive_ptr_add_ref(Exec* e);
-
-class Host;
-class Link;
-class Mailbox;
-using MailboxPtr = boost::intrusive_ptr<Mailbox>;
-XBT_PUBLIC void intrusive_ptr_release(Mailbox* m);
-XBT_PUBLIC void intrusive_ptr_add_ref(Mailbox* m);
-class Mutex;
-XBT_PUBLIC void intrusive_ptr_release(Mutex* m);
-XBT_PUBLIC void intrusive_ptr_add_ref(Mutex* m);
-class NetZone;
-class VirtualMachine;
-class File;
-class Storage;
-}
-}
-
-#endif