import { Bitcoind } from '../../types';
type SignMessageWithPrivkeyParams = {
    bitcoind: Bitcoind;
    privkey: string;
    message: string;
};
/**
 * signmessagewithprivkey "privkey" "message"
 *
 * Sign a message with the private key of an address
 *
 */
export declare function signMessageWithPrivkey(params: SignMessageWithPrivkeyParams): Promise<any>;
export {};