import BigNumber from "bignumber.js";
import { BigNumber as EBignumber } from 'ethers';
export declare const wrapperBn: (tar: number | string | BigNumber | EBignumber) => BigNumber;
export declare const bn_fromWei: (tar: BigNumber | string | number | EBignumber, decimals?: string | number, fixed?: number) => number;
export declare const bn_toWei: (tar: BigNumber | string | number | EBignumber, decimals?: string | number) => string;
export declare const GWEI: EBignumber;
export declare const ETHER: EBignumber;