import { RedisServerCache } from '@mastra/redis';
import { Redis } from '@upstash/redis';
/**
 * Configuration for UpstashServerCache.
 * Accepts either:
 * 1. An existing Redis client from @upstash/redis
 * 2. URL and token to create a client (requires @upstash/redis to be installed)
 */
export type UpstashCacheConfig = {
    client: Redis;
} | {
    url: string;
    token: string;
};
/**
 * Options for UpstashServerCache
 */
export interface UpstashServerCacheOptions {
    /**
     * Optional key prefix to namespace all cache keys.
     * Defaults to 'mastra:cache:'.
     */
    keyPrefix?: string;
    /**
     * Default TTL in seconds for cached items.
     * Defaults to 300 (5 minutes).
     * Set to 0 to disable TTL (items persist until explicitly deleted).
     */
    ttlSeconds?: number;
}
/**
 * Upstash Redis implementation of MastraServerCache.
 *
 * This is a convenience wrapper around RedisServerCache from @mastra/redis
 * with the upstash preset pre-configured.
 *
 * @example With existing client
 * ```typescript
 * import { Redis } from '@upstash/redis';
 * import { UpstashServerCache } from '@mastra/upstash';
 *
 * const redis = new Redis({ url: '...', token: '...' });
 * const cache = new UpstashServerCache({ client: redis });
 * ```
 *
 * @example With URL and token
 * ```typescript
 * import { UpstashServerCache } from '@mastra/upstash';
 *
 * const cache = new UpstashServerCache({
 *   url: process.env.UPSTASH_REDIS_REST_URL!,
 *   token: process.env.UPSTASH_REDIS_REST_TOKEN!,
 * });
 * ```
 */
export declare class UpstashServerCache extends RedisServerCache {
    constructor(config: UpstashCacheConfig, options?: UpstashServerCacheOptions);
}
export { RedisServerCache, upstashPreset, type RedisClient, type RedisServerCacheOptions } from '@mastra/redis';
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