class Action;
class Model;
class Resource;
+class TraceEvent;
}
namespace routing {
class ClusterCreationArgs;
typedef s4u_Storage* sg_storage_t;
typedef s4u_File* sg_file_t;
typedef s4u_VM* sg_vm_t;
+typedef s4u_Actor* sg_actor_t;
typedef routing_NetPoint* sg_netpoint_t;
typedef surf_Resource *sg_resource_t;