-XBT_PRIVATE void _mc_cfg_cb_reduce(const char* name);
-XBT_PRIVATE void _mc_cfg_cb_checkpoint(const char* name);
-XBT_PRIVATE void _mc_cfg_cb_sparse_checkpoint(const char* name);
-XBT_PRIVATE void _mc_cfg_cb_ksm(const char* name);
-XBT_PRIVATE void _mc_cfg_cb_property(const char* name);
-XBT_PRIVATE void _mc_cfg_cb_timeout(const char* name);
-XBT_PRIVATE void _mc_cfg_cb_snapshot_fds(const char* name);
-XBT_PRIVATE void _mc_cfg_cb_hash(const char* name);
-XBT_PRIVATE void _mc_cfg_cb_max_depth(const char* name);
-XBT_PRIVATE void _mc_cfg_cb_visited(const char* name);
-XBT_PRIVATE void _mc_cfg_cb_dot_output(const char* name);
-XBT_PRIVATE void _mc_cfg_cb_comms_determinism(const char* name);
-XBT_PRIVATE void _mc_cfg_cb_send_determinism(const char* name);
-XBT_PRIVATE void _mc_cfg_cb_termination(const char* name);
+extern XBT_PUBLIC simgrid::config::Flag<std::string> _sg_mc_buffering;
+extern XBT_PRIVATE simgrid::config::Flag<int> _sg_mc_checkpoint;
+extern XBT_PUBLIC simgrid::config::Flag<std::string> _sg_mc_property_file;
+extern XBT_PUBLIC simgrid::config::Flag<bool> _sg_mc_comms_determinism;
+extern XBT_PUBLIC simgrid::config::Flag<bool> _sg_mc_send_determinism;
+extern XBT_PUBLIC simgrid::config::Flag<bool> _sg_mc_unfolding_checker;
+extern XBT_PRIVATE simgrid::config::Flag<bool> _sg_mc_timeout;
+extern XBT_PRIVATE simgrid::config::Flag<int> _sg_mc_max_depth;
+extern "C" XBT_PUBLIC int _sg_mc_max_visited_states;
+extern XBT_PRIVATE simgrid::config::Flag<std::string> _sg_mc_dot_output_file;
+extern XBT_PRIVATE simgrid::config::Flag<bool> _sg_mc_termination;
+extern XBT_PUBLIC simgrid::config::Flag<bool> _sg_mc_sleep_set;