{"ast_node_type":"other","tokens":[{"end":101,"kind":"keyword","start":0,"text":"$crate::enter_trace_span!($machine,"}]}
        $crate::enter_trace_span!($machine, stringify!($name), $name = %stringify!($subname) $($tt)*)
    ($machine:ty, $name:ident :: $subname:ident $($tt:tt)*) => {
    };