{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"fn(DiagInner,"}]}
    fn(DiagInner, &mut dyn FnMut(DiagInner) -> Option<ErrorGuaranteed>) -> Option<ErrorGuaranteed>,
pub static TRACK_DIAGNOSTIC: AtomicRef<
> = AtomicRef::new(&(default_track_diagnostic as _));