import type { Web3Provider } from '@ethersproject/providers';
declare type TDaiPermitMessage = {
    holder: string;
    spender: string;
    nonce: number;
    expiry: number | string;
    allowed?: boolean;
};
declare type TPermitMessage = {
    owner: string;
    spender: string;
    value: number | string;
    nonce: number | string;
    deadline: number | string;
};
declare type TPermitSingleMessage = {
    details: TPermitSingleDetails;
    spender: string;
    sigDeadline: number | string;
};
declare type TPermitSingleDetails = {
    token: string;
    amount: number | string;
    expiration: number | string;
    nonce: number | string;
};
declare type TPermitDomain = {
    name: string;
    version: string;
    chainId?: number;
    salt?: string;
    verifyingContract: string;
};
declare type TPermit2Domain = {
    name: string;
    chainId: number;
    verifyingContract: string;
};
declare type TRSVResponse = {
    r: string;
    s: string;
    v: number;
};
declare type TUsePermitOptions = {
    provider: Web3Provider;
    token: string;
    spender: string;
    owner: string;
    chainId: number;
    deadline?: number;
};
declare const PERMIT_TYPES: readonly ["ERC2612", "DAI"];
declare type TPermitTypes = typeof PERMIT_TYPES[number];
declare type TPermitToken = {
    address: string;
    chainId: number;
    name: string;
    version?: string;
    noncesFn?: string;
    permitType?: TPermitTypes;
};
declare type TPermitTokens = {
    [key in TPermitTypes]: TPermitToken[];
};
export type { TDaiPermitMessage, TPermitToken, TPermitMessage, TPermitSingleMessage, TPermitSingleDetails, TPermitDomain, TPermit2Domain, TRSVResponse, TUsePermitOptions, TPermitTypes, TPermitTokens };