import { ethers } from "ethers";
import { BigNumber } from "ethers/utils";
export declare class UniswapService {
    private signer;
    private networkID;
    private factory;
    private exchange;
    private token;
    private provider;
    constructor(provider: ethers.providers.Provider, signer: ethers.Signer | undefined, networkID: number);
    createExchange(): any;
    priceToBuyCVL(tokensToBuy: BigNumber): Promise<BigNumber>;
    quoteETHToCVL(etherToSpend: BigNumber): Promise<BigNumber>;
    quoteCVLToETH(cvlToSell: BigNumber): Promise<BigNumber>;
    approvedSellAmountForAddress(address: string): Promise<BigNumber>;
    getApprovedSellAmount(): Promise<BigNumber>;
    setApprovedSellAmount(amount: BigNumber): Promise<BigNumber>;
    executeETHToCVL(ethToSpend: BigNumber, minTokensToReceive: BigNumber): Promise<void>;
    executeCVLToETH(cvlToSpend: BigNumber, minETHToReceive: BigNumber): Promise<any>;
    parseEther(amount: string): BigNumber;
    weiToEtherNumber(amount: BigNumber): number;
    private getBlockDeadline;
}