{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"parent_module.map_or(self.empty_module,"}]}
            parent_module.map_or(self.empty_module, |def_id| self.expect_module(def_id));
        let parent_scope =
        self.ast_transform_scopes.insert(expn_id, parent_scope);