#ifndef SIMGRID_MC_FORWARD_HPP
#define SIMGRID_MC_FORWARD_HPP
-namespace simgrid {
-namespace mc {
+namespace simgrid::mc {
class PageStore;
class ChunkedData;
class ActorInformation;
class Session;
-class Checker;
-
-}
-}
+class Exploration;
+} // namespace simgrid::mc
// TODO, try to get rid of the global ModelChecker variable
extern simgrid::mc::ModelChecker* mc_model_checker;