interface JwtPayload {
    sub: string | number;
    role?: string;
    abilities?: string[];
    emailVerifiedAt?: Date | string | null;
    iat?: number;
    exp?: number;
    [key: string]: unknown;
}
interface SignJwtOptions {
    secret?: string;
    ttlSeconds?: number;
}
declare function resolveJwtSecret(secret?: string): string;
declare function jwtTtlSeconds(override?: number): number;
declare function signJwt(payload: JwtPayload, options?: SignJwtOptions): string;
declare function verifyJwt(token: string, secret?: string): JwtPayload | null;
export type { JwtPayload, SignJwtOptions };
export { jwtTtlSeconds, resolveJwtSecret, signJwt, verifyJwt };