import { Interface } from '@ethersproject/abi';
import { SwapSide } from '../constants';
import { AdapterExchangeParam, Address, DexExchangeParam, NumberAsString, SimpleExchangeParam } from '../types';
import { IDexTxBuilder } from './idex';
import { SimpleExchange } from './simple-exchange';
import { IDexHelper } from '../dex-helper';
type EtherFiData = void;
type eETHPoolDepositParam = [];
type weETHWrap = [_eETHAmount: string];
type weETHUnwrap = [_weETHAmount: string];
type EtherFiParam = eETHPoolDepositParam | weETHWrap | weETHUnwrap;
export declare class EtherFi extends SimpleExchange implements IDexTxBuilder<EtherFiData, EtherFiParam> {
    static dexKeys: string[];
    eETHPoolInterface: Interface;
    weETHInterface: Interface;
    needWrapNative: boolean;
    eETH: string;
    eETHPool: string;
    weETH: string;
    constructor(dexHelper: IDexHelper);
    is_eETH: (token: string) => boolean;
    is_weETH: (token: string) => boolean;
    getSimpleParam(srcToken: string, destToken: string, srcAmount: string, destAmount: string, data: EtherFiData, side: SwapSide): Promise<SimpleExchangeParam>;
    getDexParam(srcToken: Address, destToken: Address, srcAmount: NumberAsString): DexExchangeParam;
    getAdapterParam(srcToken: string, destToken: string, srcAmount: string, destAmount: string, data: EtherFiData, side: SwapSide): AdapterExchangeParam;
}
export {};