import { JwtPayload } from "jsonwebtoken";
export declare const createToken: (userId: string, userEmail: string, options?: {}) => string;
export declare const createTokenForLinkSurvey: (surveyId: string, userEmail: string) => string;
export declare const createEmailToken: (email: string) => string;
export declare const getEmailFromEmailToken: (token: string) => string;
export declare const createInviteToken: (inviteId: string, email: string, options?: {}) => string;
export declare const verifyTokenForLinkSurvey: (token: string, surveyId: string) => string | null;
export declare const verifyToken: (token: string) => Promise<JwtPayload>;
export declare const verifyInviteToken: (token: string) => {
    inviteId: string;
    email: string;
};