{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"GenericArg::Type(ty)"}]}
            GenericArg::Type(ty) => self.print_type(ty.as_unambig_ty()),
            GenericArg::Lifetime(_) => {}
            GenericArg::Const(ct) => self.print_const_arg(ct.as_unambig_ct()),