{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"query"}]}
    query predicates_of(key: DefId) -> ty::GenericPredicates<'tcx> {
    /// the result of this query for use in UI tests or for debugging purposes.
        desc { |tcx| "computing predicates of `{}`", tcx.def_path_str(key) }