/* 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. */
+#include <simgrid/s4u/NetZone.hpp>
#include <simgrid/s4u/forward.hpp>
#include <string>
#include <unordered_map>
namespace simgrid {
namespace kernel {
-namespace routing {
-class NetZoneImpl;
-class NetPoint;
-}
class EngineImpl {
public:
