import { RoleEIP191JWT } from './models';
/**
 * Upgrades the DID fields of a RolePayload with the chain identifier
 * @param RoleEIP191JWT claim to upgrade
 * @returns RoleEIP191JWT with did fields upgraded with chain id. undefined if upgrade not possible
 */
export declare function upgradeChainId(roleJwt: RoleEIP191JWT): RoleEIP191JWT | undefined;