{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"self.tcx.typeck_root_def_id(def_id.to_def_id()),"}]}
            self.tcx.typeck_root_def_id(def_id.to_def_id()),
        debug_assert_eq!(
            self.root_def_id.to_def_id()