{"ast_node_type":"function","tokens":[{"end":82,"kind":"keyword","start":0,"text":"fn"}]}
fn find_similar_kw(lookup: Ident, candidates: &[Symbol]) -> Option<MisspelledKw> {
/// Checks if the given `lookup` identifier is similar to any keyword symbol in `candidates`.
    let lowercase = lookup.name.as_str().to_lowercase();