{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"(ast::GenericParam::LifetimeParam(a),"}]}
            (ast::GenericParam::LifetimeParam(a), ast::GenericArg::LifetimeArg(b)) => {
        self.generic_params().find_map(move |param| match (&param, &generic_arg) {
                (a.lifetime()?.lifetime_ident_token()?.text()