{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"ty::Infer(ty::FreshTy(_))"}]}
            ty::Infer(ty::FreshTy(_)) => "fresh type".into(),
            ty::Bound(..) => "bound type".into(),
            ty::Infer(ty::FreshIntTy(_)) => "fresh integral type".into(),