{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"hir::WherePredicateKind::RegionPredicate(hir::WhereRegionPredicate"}]}
                hir::WherePredicateKind::RegionPredicate(hir::WhereRegionPredicate {
            WherePredicateKind::RegionPredicate(WhereRegionPredicate { lifetime, bounds }) => {
                    lifetime: self.lower_lifetime(