import type { Web3Provider } from '@ethersproject/providers';
import type { TDaiPermitMessage, TPermit2Domain, TPermitDomain, TPermitMessage, TPermitSingleMessage, TPermitToken } from './types';
declare const addZeros: (numZeros: number) => string;
declare const getPermitDomain: (permitToken: TPermitToken) => Promise<TPermitDomain>;
declare const getPermit2Domain: (permitToken: TPermitToken) => Promise<TPermit2Domain>;
declare const createTypedDaiData: (message: TDaiPermitMessage, domain: TPermitDomain, chainId: number) => {
    types: {
        EIP712Domain: any;
        Permit: {
            name: string;
            type: string;
        }[];
    };
    primaryType: string;
    domain: TPermitDomain;
    message: TDaiPermitMessage;
};
declare const createTypedPermitData: (message: TPermitMessage, domain: TPermitDomain, chainId: number) => {
    types: {
        EIP712Domain: any;
        Permit: {
            name: string;
            type: string;
        }[];
    };
    primaryType: string;
    domain: TPermitDomain;
    message: TPermitMessage;
};
declare const createTypedPermitSingleData: (message: TPermitSingleMessage, domain: TPermit2Domain) => {
    types: {
        EIP712Domain: {
            name: string;
            type: string;
        }[];
        PermitSingle: {
            name: string;
            type: string;
        }[];
        PermitDetails: {
            name: string;
            type: string;
        }[];
    };
    primaryType: string;
    domain: TPermit2Domain;
    message: TPermitSingleMessage;
};
declare const isTokenExists: (tokens: TPermitToken[], token: TPermitToken) => TPermitToken | undefined;
declare const getPermitNonce: (provider: Web3Provider, token: TPermitToken) => Promise<number>;
declare const getPermit2Nonce: (provider: Web3Provider, owner: string, token: string, spender: string) => Promise<number>;
declare const getTokenKey: (token: TPermitToken) => "ERC2612" | "DAI";
export { addZeros, getPermitDomain, getPermit2Domain, createTypedDaiData, createTypedPermitData, createTypedPermitSingleData, getPermit2Nonce, isTokenExists, getPermitNonce, getTokenKey };