{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"#[instrument(level"}]}
    #[instrument(level = "debug", skip(tcx), ret)]
impl<'tcx> Ty<'tcx> {
    pub fn inhabited_predicate(self, tcx: TyCtxt<'tcx>) -> InhabitedPredicate<'tcx> {