/**
 * Redis-based Data Cache Handler for "use cache" directive
 * For production use with distributed Next.js deployments
 *
 * This handler stores cache entries in Redis, allowing multiple
 * Next.js instances to share the same cache.
 */
import type { DataCacheHandler } from "./types.js";
export interface RedisDataCacheHandlerOptions {
    /**
     * Redis client instance (ioredis compatible)
     */
    redis: RedisClient;
    /**
     * Key prefix for all cache entries
     * @default "nextjs:data-cache:"
     */
    keyPrefix?: string;
    /**
     * Key prefix for tag manifest
     * @default "nextjs:tags:"
     */
    tagPrefix?: string;
    /**
     * Enable debug logging
     * @default false
     */
    debug?: boolean;
    /**
     * Default TTL for cache entries in seconds
     * Used if entry doesn't specify expiration
     * @default 86400 (24 hours)
     */
    defaultTTL?: number;
}
/**
 * Redis client interface (ioredis compatible)
 * Uses ioredis-style SET with "EX" positional args: set(key, value, "EX", seconds)
 */
export interface RedisClient {
    get(key: string): Promise<string | null>;
    set(key: string, value: string, ...args: unknown[]): Promise<unknown>;
    del(...keys: string[]): Promise<number>;
    exists(...keys: string[]): Promise<number>;
    ttl(key: string): Promise<number>;
    hGet(key: string, field: string): Promise<string | null>;
    hSet(key: string, field: string, value: string): Promise<unknown>;
    hGetAll(key: string): Promise<Record<string, string>>;
}
/**
 * Create a Redis-based data cache handler for "use cache" directive
 *
 * @example
 * ```typescript
 * // redis-cache-handler.mjs
 * import { createClient } from 'redis';
 * import { createRedisDataCacheHandler } from '@mrjasonroy/better-nextjs-cache-handler/data-cache';
 *
 * const redis = createClient({
 *   url: process.env.REDIS_URL
 * });
 *
 * await redis.connect();
 *
 * export default createRedisDataCacheHandler({
 *   redis,
 *   keyPrefix: 'myapp:cache:',
 *   debug: process.env.NODE_ENV === 'development'
 * });
 * ```
 *
 * Then in next.config.js:
 * ```javascript
 * module.exports = {
 *   cacheComponents: true,
 *   cacheHandlers: {
 *     default: require.resolve('./redis-cache-handler.mjs'),
 *     remote: require.resolve('./redis-cache-handler.mjs') // Same handler for remote
 *   }
 * }
 * ```
 */
export declare function createRedisDataCacheHandler(options: RedisDataCacheHandlerOptions): DataCacheHandler;
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