{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"self.parent_scope.module.unexpanded_invocations.borrow_mut().insert(invoc_id);"}]}
        self.parent_scope.module.unexpanded_invocations.borrow_mut().insert(invoc_id);
        let invoc_id = self.visit_invoc(id);
        self.r.arenas.alloc_macro_rules_scope(MacroRulesScope::Invocation(invoc_id))