{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"cx.expected_string_literal(nv.value_span,"}]}
                        cx.expected_string_literal(nv.value_span, Some(nv.value_as_lit()));
                    let Some(expected) = nv.value_as_str() else {
                        return None;