{"ast_node_type":"other","tokens":[{"end":22,"kind":"keyword","start":0,"text":"pub"}]}
    pub clauses_cache:
    /// Caches the instantiation of a canonical binder given a set of args.
        Lock<FxHashMap<(ty::Clauses<'tcx>, &'tcx [ty::GenericArg<'tcx>]), ty::Clauses<'tcx>>>,