{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"$($name:ident"}]}
      $($name:ident => { $($compute:tt)* })*) => {
    ($tcx:ident, $def_id:ident, $other:ident, $cdata:ident,
        fn provide_extern(providers: &mut ExternProviders) {