#include <cstddef>
+#include <exception>
#include <string>
#include <utility>
#include <memory>
virtual void attach_stop() = 0;
};
+XBT_PUBLIC(void) set_maestro(std::function<void()> code);
+XBT_PUBLIC(void) create_maestro(std::function<void()> code);
+
}
}