{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"GenericArg::Type(ty)"}]}
        GenericArg::Type(ty) => visitor.visit_ty(ty),
        GenericArg::Lifetime(lt) => visitor.visit_lifetime(lt),
        GenericArg::Const(ct) => visitor.visit_const_arg(ct),