{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"($machine:ty,"}]}
    ($machine:ty, $name:ident :: $subname:ident $($tt:tt)*) => {
macro_rules! enter_trace_span {
        $crate::enter_trace_span!($machine, stringify!($name), $name = %stringify!($subname) $($tt)*)