import { Address } from '@paraswap/core';
import { BigNumber } from 'ethers';
import { CurveV1SwapType } from '../../dex/curve-v1/types';
import { CurveV2SwapType } from '../../dex/curve-v2/types';
export declare const packCurveData: (address: Address, approve: boolean, wrapFlag: number, swapType: CurveV2SwapType | CurveV1SwapType) => BigNumber;