import BigNumber from 'bignumber.js';
type TArg = string | number | BigNumber;
export declare const bn: (val: string | number) => BigNumber;
export declare const sumBn: (...args: TArg[]) => BigNumber;
export declare const subBn: (...args: TArg[]) => BigNumber;
export declare const mulBn: (...args: TArg[]) => BigNumber;
export declare const divBn: (...args: TArg[]) => BigNumber;
export {};