import { BigNumber, BigNumberish } from './types';
export declare function formatUnits(value: BigNumberish, unitType?: string | number, options?: any): string;
export declare function parseUnits(value: string, unitType?: string | number): BigNumber;
export declare function formatEther(wei: BigNumberish, options: any): string;
export declare function parseEther(ether: string): BigNumber;
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