syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"#[instrument(level"}]}
source_snippet:     #[instrument(level = "debug", skip(tcx))]
context_before:     #[inline]
context_after:     pub fn new_opaque(tcx: TyCtxt<'tcx>, def_id: DefId, args: GenericArgsRef<'tcx>) -> Ty<'tcx> {