{"ast_node_type":"variable","tokens":[{"end":62,"kind":"keyword","start":0,"text":"let"}]}
        let (is_raw, s) = IdentIsRaw::split_from_symbol(name);
    fn mk_ident(name: &str) -> crate::tt::Ident {
        crate::tt::Ident { sym: Symbol::intern(s), span: DUMMY, is_raw }