};
// External constructors so that the types (and the types of their content) remain hidden
-XBT_PUBLIC Checker* createLivenessChecker(Session& session);
+XBT_PUBLIC Checker* createLivenessChecker();
XBT_PUBLIC Checker* createSafetyChecker(Session& session);
XBT_PUBLIC Checker* createCommunicationDeterminismChecker(Session& session);