{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"diag.help(format!(\"add"}]}
                        diag.help(format!("add bound `{a}: {}`", bs.join(" + ")));
                        let bs: SmallVec<[String; 2]> = bs.iter().map(|r| r.to_string()).collect();
                    }