import type { CacheBackend } from "./types";
/**
 * Redis cache backend using Bun's native Redis client (RESP3, pipelining, TLS support)
 */
export declare class RedisBunCache implements CacheBackend {
    private client;
    private subscriber;
    constructor(url?: string);
    get(key: string): Promise<unknown | null>;
    set(key: string, value: unknown, ttlSeconds?: number): Promise<void>;
    clear(): Promise<void>;
    publish(channel: string, message: string): Promise<void>;
    subscribe(channel: string): Promise<void>;
    pushVariantToList(baseKey: string, payload: string): Promise<void>;
    getRandomVariantFromSet(baseKey: string): Promise<string | null>;
    addVariantToSet(baseKey: string, payload: string): Promise<void>;
    nextRoundRobinIndex(baseKey: string): Promise<number>;
}
export declare function createRedisCache(): RedisBunCache;
//# sourceMappingURL=redis-bun.d.ts.map