{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"Some(rbv::ResolvedArg::LateBound(debruijn,"}]}
            Some(rbv::ResolvedArg::LateBound(debruijn, index, def_id)) => {
        match tcx.named_bound_var(hir_id) {
                let br = ty::BoundTy {