import type { Spinner } from './spinner.js';
import { BN, IExec } from 'iexec';
export declare function ensureBalances({ spinner, iexec, nRlcMin, weiMin, }: {
    spinner: Spinner;
    iexec: IExec;
    nRlcMin?: BN;
    weiMin?: BN;
}): Promise<{
    wei: BN;
    nRLC: BN;
    stake: BN;
}>;