{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"self.record(\"FieldDef\","}]}
        self.record("FieldDef", Some(s.hir_id), s);
    fn visit_field_def(&mut self, s: &'v hir::FieldDef<'v>) {
        hir_visit::walk_field_def(self, s)