import { Bitcoind } from '../../types';
type UpgradeWalletParams = {
    bitcoind: Bitcoind;
    version?: number;
};
/**
 * upgradewallet ( version )
 *
 * Upgrade the wallet. Upgrades to the latest version if no version number is specified.
 * New keys may be generated and a new wallet backup will need to be made.
 *
 */
export declare function upgradeWallet(params: UpgradeWalletParams): Promise<any>;
export {};