import { ParamsVerifyAndSignChallenge } from '../../types/rpc/params-verify-and-sign-challenge.mjs';
import { RpcVerifyAndSignChallengeResult } from '../../types/rpc/rpc-verify-and-sign-challenge-result.mjs';
import type { Client } from '../../../clients/types.mjs';
export declare function verifyAndSignChallenge(client: Client, param: ParamsVerifyAndSignChallenge): Promise<RpcVerifyAndSignChallengeResult>;