{"ast_node_type":"impl","tokens":[{"end":88,"kind":"keyword","start":0,"text":"///"}]}
    /// traits with return-position impl trait in traits can inherit the right wf types.
    /// We need to store the assumed_wf_types for an RPITIT so that impls of foreign
    query assumed_wf_types_for_rpitit(key: DefId) -> &'tcx [(Ty<'tcx>, Span)] {