import Decimal from 'decimal.js';
import { WalletInterface } from './types';
export declare const sleep: (ms: number) => Promise<unknown>;
export declare const waitForBalance: ({ wallet, amount, startingBalance, asset, timeoutMs, }: {
    wallet: WalletInterface;
    amount: Decimal | string | number;
    startingBalance?: string | number | Decimal | undefined;
    asset?: string[] | undefined;
    timeoutMs?: number | undefined;
}) => Promise<Decimal>;