{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"!ty_known_to_outlive(tcx,"}]}
                    !ty_known_to_outlive(tcx, gat_def_id, param_env, &FxIndexSet::default(), a, b)
                ty::ClauseKind::TypeOutlives(ty::OutlivesPredicate(a, b)) => {
                }