export interface JwtPayload {
    user_id: number;
    role_id: number;
    company_id?: number | null;
    employee_id?: number | null;
    iat?: number;
    exp?: number;
}
export declare const generateJwtToken: (payload: JwtPayload, isRefreshToken?: boolean) => string;
export declare const verifyJwtToken: (token: string) => JwtPayload;