{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"($fmt:expr)"}]}
    ($fmt:expr) => {$crate::SsrError::new(format!($fmt))};
macro_rules! _error {
    ($fmt:expr, $($arg:tt)+) => {$crate::SsrError::new(format!($fmt, $($arg)+))}