{"ast_node_type":"other","tokens":[{"end":19,"kind":"keyword","start":0,"text":"arena_cache"}]}
        arena_cache
    query associated_types_for_impl_traits_in_trait_or_impl(item_def_id: DefId) -> &'tcx DefIdMap<Vec<DefId>> {
        desc { |tcx| "synthesizing RPITIT items for the opaque types for methods in `{}`", tcx.def_path_str(item_def_id) }