import { TrustedForwarder } from "../typechain-types";
import { BigNumberish, BytesLike, Signer } from 'ethers';
export interface PreTokenData {
    stringToSign: BytesLike;
    issuedAt: number;
    sessionExpiry?: BigNumberish;
}
export interface Token {
    signature: BytesLike;
    issuedAt: number;
    sessionExpiry: BigNumberish;
}
export declare function bytesToSignForToken(trustedForwarder: TrustedForwarder, user: Signer, relayer: Signer, sessionExpiry?: BigNumberish): Promise<PreTokenData>;
export declare const adjustV: (signature: string) => string;
/**
 * createToken does not do any https calls out except for the sign message, this makes it useable for mobile browsers
 * as they will often pop the app store if there are any extraneous requests besides the direct call to wallet connect.
 * see: https://github.com/MetaMask/metamask-mobile/pull/4167
 * @param preTokenData
 * @param user
 * @returns a sequence of bytes
 */
export declare function createToken({ stringToSign, issuedAt, sessionExpiry }: PreTokenData, user: Signer): Promise<Token>;
export declare function getBytesAndCreateToken(trustedForwarder: TrustedForwarder, user: Signer, relayer: Signer, sessionExpiry?: BigNumberish): Promise<Token>;