{"ast_node_type":"variable","tokens":[{"end":34,"kind":"keyword","start":0,"text":"let"}]}
        let mut record_use = None;
    fn extern_prelude_get(&mut self, ident: Ident, finalize: bool) -> Option<NameBinding<'ra>> {
        let entry = self.extern_prelude.get(&Macros20NormalizedIdent::new(ident));