{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"last_segment:"}]}
        last_segment: &'hir hir::PathSegment<'hir>,
        needle_fr: RegionVid,
        search_stack: &mut Vec<(Ty<'tcx>, &'hir hir::Ty<'hir>)>,