import { BigNumber } from 'ethers';
export declare const NOT_SUPPORTED_ON_CHAIN = "0x0000000000000000000000000000000000000000";
export declare const UNIVERSAL_ROUTER_ADDRESS: (chainId: number) => string;
export declare const UNIVERSAL_ROUTER_CREATION_BLOCK: (chainId: number) => number;
export declare const WETH_ADDRESS: (chainId: number) => string;
export declare const STETH_ADDRESS: (chainId: number) => string;
export declare const WSTETH_ADDRESS: (chainId: number) => string;
export declare const PERMIT2_ADDRESSES: {
    [key: number]: string;
};
export declare const PERMIT2_ADDRESS: (chainId: number) => string;
export declare const CONTRACT_BALANCE: BigNumber;
export declare const ALREADY_PAID = 0;
export declare const ETH_ADDRESS = "0x0000000000000000000000000000000000000000";
export declare const ZERO_ADDRESS = "0x0000000000000000000000000000000000000000";
export declare const MAX_UINT256: BigNumber;
export declare const MAX_UINT160: BigNumber;
export declare const SENDER_AS_RECIPIENT = "0x0000000000000000000000000000000000000001";
export declare const ROUTER_AS_RECIPIENT = "0x0000000000000000000000000000000000000002";
export declare const OPENSEA_CONDUIT_SPENDER_ID = 0;
export declare const SUDOSWAP_SPENDER_ID = 1;