+#include "simgrid/kernel/routing/NetZoneImpl.hpp" // full type for NetZoneImpl object
+#include "simgrid/s4u/Engine.hpp"
+#include "simgrid/zone.h"
+#include "src/kernel/EngineImpl.hpp"
+#include "src/kernel/resource/CpuImpl.hpp"
+#include "src/kernel/resource/LinkImpl.hpp"