{"ast_node_type":"variable","tokens":[{"end":76,"kind":"keyword","start":0,"text":"let"}]}
        let [macro_call_foo, macro_call_bar] = macro_calls.as_slice() else {
        let macro_calls = syntax.descendants().filter_map(ast::MacroCall::cast).collect::<Vec<_>>();
            panic!("not exactly 2 macro calls");