{"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"s.starts_with(prefix)"}]}
                s.starts_with(prefix)
            if let Some(prefix) = prefixes.iter().find(|&&prefix| {
                    && s.chars().nth(prefix.len()).is_some_and(|c| c == '@' || c == ' ')