{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"desc"}]}
        desc { |tcx| "computing the implied bounds of `{}`", tcx.def_path_str(key) }
    query assumed_wf_types_for_rpitit(key: DefId) -> &'tcx [(Ty<'tcx>, Span)] {
        separate_provide_extern