import type { Config } from './config.js';
export type Transport = 'header' | 'cookie';
export interface Session {
    userId: string;
    sessionId: string;
    jti: string;
    issuedAt?: Date;
    expiresAt: Date;
    transport?: Transport;
}
export declare const MAX_RAW_TOKEN_BYTES = 8192;
export interface Keys {
    key(kid: string): Promise<CryptoKey>;
}
export declare const rejectDuplicateMembers: (text: string) => void;
export declare const verifyToken: (cfg: Config, token: string, keys: Keys) => Promise<Session>;