{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"SuggestedConstraint::Outlives(a,"}]}
                    SuggestedConstraint::Outlives(a, bs) => {
                match constraint {
                        let bs: SmallVec<[String; 2]> = bs.iter().map(|r| r.to_string()).collect();