import { Interface } from '@ethersproject/abi';
import { NumberAsString, SwapSide } from '@paraswap/core';
import { AdapterExchangeParam, Address, DexExchangeParam, SimpleExchangeParam } from '../../types';
import { IDexTxBuilder } from '../idex';
import { IDexHelper } from '../../dex-helper';
import { LidoData } from './types';
export declare class Lido implements IDexTxBuilder<LidoData, any> {
    static dexKeys: string[];
    stETHInterface: Interface;
    erc20Interface: Interface;
    needWrapNative: boolean;
    private readonly network;
    private readonly referralAddress;
    private readonly wethAddress;
    constructor(dexHelper: IDexHelper);
    getAdapterParam(srcToken: Address, destToken: Address, srcAmount: NumberAsString, destAmount: NumberAsString, data: LidoData, side: SwapSide): AdapterExchangeParam;
    getSimpleParam(srcToken: Address, destToken: Address, srcAmount: NumberAsString, destAmount: NumberAsString, data: LidoData, side: SwapSide): Promise<SimpleExchangeParam>;
    protected isWETH(tokenAddress: string): boolean;
    getDexParam(srcToken: Address, _destToken: Address, srcAmount: NumberAsString, _destAmount: NumberAsString, _recipient: Address, _data: LidoData, _side: SwapSide): DexExchangeParam;
}