{"ast_node_type":"other","tokens":[{"end":29,"kind":"keyword","start":0,"text":"#[instrument(skip(tcx),"}]}
#[instrument(skip(tcx), ret)]
fn trait_object_ty<'tcx>(tcx: TyCtxt<'tcx>, poly_trait_ref: ty::PolyTraitRef<'tcx>) -> Ty<'tcx> {