{"ast_node_type":"variable","tokens":[{"end":54,"kind":"keyword","start":0,"text":"let"}]}
    let is_fn_like = macro_.is_fn_like(completion.db);
    let docs_str = docs.as_ref().map(Documentation::as_str).unwrap_or_default();
    let (bra, ket) = if is_fn_like { guess_macro_braces(name, docs_str) } else { ("", "") };