{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"ty::ReEarlyParam(_)"}]}
            ty::ReEarlyParam(_) | ty::ReLateParam(_) => match self.canonicalize_mode {
                CanonicalizeMode::Input(_) => CanonicalVarKind::Region(ty::UniverseIndex::ROOT),