import { D as DPoPNonceStore } from '../types-CuViAwD5.js';
import 'hono';

/** Minimal Redis client subset compatible with ioredis, node-redis, and @upstash/redis. */
interface RedisClientLike {
    set(key: string, value: string, options?: {
        NX?: boolean;
        EX?: number;
    }): Promise<string | null>;
}
interface RedisStoreOptions {
    /** Redis client instance (ioredis, node-redis, or @upstash/redis). */
    client: RedisClientLike;
    /** Maximum TTL in seconds applied to each jti entry (default: 300 = 5 min). */
    ttl?: number;
    /** Key prefix to namespace replay-cache entries (default: "dpop:jti:"). */
    keyPrefix?: string;
}
/**
 * Redis-backed replay cache. Uses `SET key 1 NX EX <ttl>` for atomic insert-if-absent —
 * a single round-trip whose semantics match RFC 9449 §11.1: exactly one concurrent caller
 * sees `OK` (return true), the rest get `null` (return false).
 *
 * The TTL is the smaller of `expiresAt - now` and the configured `ttl` ceiling, so the
 * entry is auto-removed by Redis once the proof's freshness window closes. `purge()` is
 * therefore a no-op returning 0.
 */
declare function redisStore(options: RedisStoreOptions): DPoPNonceStore;

export { type RedisClientLike, type RedisStoreOptions, redisStore };