{"ast_node_type":"variable","tokens":[{"end":24,"kind":"keyword","start":0,"text":"let"}]}
    let kind = match d {
fn delim_to_internal<S>(d: proc_macro::Delimiter, span: bridge::DelimSpan<S>) -> tt::Delimiter<S> {
        proc_macro::Delimiter::Parenthesis => tt::DelimiterKind::Parenthesis,