import { BigNumber } from '@ethersproject/bignumber';
export declare const PERMIT2_ADDRESS = "0x000000000022D473030F116dDEE9F6B43aC78BA3";
export declare function permit2Address(chainId?: number): string;
export declare const MaxUint48: BigNumber;
export declare const MaxUint160: BigNumber;
export declare const MaxUint256: BigNumber;
export declare const MaxAllowanceTransferAmount: BigNumber;
export declare const MaxAllowanceExpiration: BigNumber;
export declare const MaxOrderedNonce: BigNumber;
export declare const MaxSignatureTransferAmount: BigNumber;
export declare const MaxUnorderedNonce: BigNumber;
export declare const MaxSigDeadline: BigNumber;
export declare const InstantExpiration: BigNumber;