{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"desc"}]}
        desc { |tcx| "computing predicates of `{}`", tcx.def_path_str(key) }
    query predicates_of(key: DefId) -> ty::GenericPredicates<'tcx> {
        cache_on_disk_if { key.is_local() }