{"ast_node_type":"variable","tokens":[{"end":53,"kind":"keyword","start":0,"text":"&&"}]}
                            && let Some(def_id) = tcx
                        if let DefKind::OpaqueTy = tcx.def_kind(tcx.parent(param.def_id))
                                .map_opaque_lifetime_to_parent_lifetime(param.def_id.expect_local())