/**
 * Zero-config cache handler factory
 * Automatically configures handlers based on type and environment variables
 */
import type { DataCacheHandler } from "./types.js";
export type CacheHandlerType = "memory" | "redis" | "valkey" | "elasticache";
export interface CacheHandlerOptions {
    /**
     * Cache backend type
     */
    type: CacheHandlerType;
    /**
     * Redis/Valkey URL (e.g., "redis://localhost:6379")
     * @default process.env.REDIS_URL || process.env.VALKEY_URL
     */
    url?: string;
    /**
     * ElastiCache/Redis endpoint hostname
     * @default process.env.ELASTICACHE_ENDPOINT
     */
    endpoint?: string;
    /**
     * ElastiCache/Redis port
     * @default process.env.ELASTICACHE_PORT || 6379
     */
    port?: number;
    /**
     * Enable TLS/SSL
     * @default true for elasticache, false for redis/valkey
     */
    tls?: boolean;
    /**
     * Auth token/password
     * @default process.env.ELASTICACHE_AUTH_TOKEN or process.env.REDIS_PASSWORD
     */
    password?: string;
    /**
     * Key prefix for cache entries
     * @default "nextjs:cache:"
     */
    keyPrefix?: string;
    /**
     * Key prefix for tags
     * @default "nextjs:tags:"
     */
    tagPrefix?: string;
    /**
     * Enable debug logging
     * @default false
     */
    debug?: boolean;
    /**
     * Max memory size (for memory handler only)
     * @default 100MB
     */
    maxSize?: number;
}
/**
 * Create a cache handler with zero configuration
 *
 * @example
 * ```javascript
 * // Zero config - uses environment variables
 * export default createCacheHandler({ type: "redis" });
 *
 * // With overrides
 * export default createCacheHandler({
 *   type: "elasticache",
 *   endpoint: "my-cluster.cache.amazonaws.com",
 *   password: process.env.AUTH_TOKEN
 * });
 * ```
 */
export declare function createCacheHandler(options: CacheHandlerOptions): DataCacheHandler;
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